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BOSCH REXROTH
R901079982

  • BOSCH REXROTH
  • Material:R901079982
  • Model:M-Z4SEH 16 E2X/3CG24ETK4

Due to extremely high demand, please call 877-366-7226 for availability

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth M-Z4SEH 16 E2X/3CG24ETK4 (R901079982) is a sophisticated directional seat valve designed for precise control in hydraulic systems. This electrohydraulic actuated valve is part of the MZSEH series and stands out for its versatility, being configurable to switch or shut off flow through one or two channels based on the specific version ordered. The construction of this valve includes a durable housing, a pilot operated check valve installation set, and a pilot control valve, all engineered to ensure leak-free operation whether the valve is open or closed. The M-Z4SEH 16 E2X/3CG24ETK4 operates based on pressure differentials, employing both a compression spring and hydraulic forces to influence the opening and closing of the valve spool. The resulting action from these forces dictates the check valve installation sets' switching positions. Pilot pressure application and unloading are managed by the pilot control valve which draws pilot oil supply from the highest pressure among channels A, B, P, or X with safety ensured by an integrated check valve. This model offers various versions for pilot oil supply and return configurations: Version XY utilizes external channels X and Y for supply and return respectively; Version PY uses internal supply from channel P with external return through Y; Version PT combines internal supply from channel P with internal return via T; Version XT opts for external supply from X with internal return through T. Each version accommodates different system designs while ensuring efficient operation. The M-Z4SEH 16 E2X/3CG24ETK4 also features compatibility with porting patterns according to ISO standards NG6 and NG10. It is equipped with wet-pin DC solenoids that contribute to its reliable actuation. For operational flexibility, it offers optional manual override capabilities as well as different combinations of locking and pass-through functions to suit various application requirements. Electrical connections are made through individual connections ensuring easy integration into existing systems.

Type M-Z4SEH 10 …

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

General

The SEH type directional valves are directional seat valves with electro-hydraulic actuation. Here, depending on the order version, it can be switched or switched off via one or two channels.

The directional valve basically consists of a housing (1), a pilot operated check valve installation set (2), pilot control valve (3) as well as blanking plugs for the pilot oil supply. The valve is free-flowing, independent from the direction, and is opened or blocked in a leakage-free manner depending on the switching position of the pilot control valve and the pressure ratio in the main valve.

Function

The function of the valve is pressure-dependent. The force of the compression spring (4) as well as the force generated by pressure in the control chamber (5) take effect in the closing direction, while the forces generated by pressure in the channels A and B take effect in the opening direction of the valve spool (6) with spool sealing. The direction of action of the resulting force from the opening and closing forces determines the switching position of the check valve installation sets (2). The pilot pressure application and/or unloading is implemented via the pilot control valve (3) depending on the selected pilot oil supply. The pilot oil supply is implemented via the respective highest pressure from the channels A, B, P or X and is secured via a check valve (7).

 

Notice!

For nozzles and plug fitting, please refer to the project planning information.

➀

component side

➁

plate side

Version “XY”

The pilot oil supply is implemented externally - via the X channel - from a separate circuit.

The pilot oil return is implemented externally via the Y channel into the tank.

Version “PY”

The pilot oil supply is implementedinternally from the P channel of the main valve.

The pilot oil return is implemented externally via the Y channel into the tank. In the subplate, port X is closed.

Version “PT”

The pilot oil supply is implemented internally from the P channel of the main valve.

The pilot oil return is implemented internally via the T channel into the tank. In the subplate, ports X and Y are closed.

Version “XT”

The pilot oil supply is implemented externally - via channel X - from a separate circuit.

The pilot oil supply is implemented internally - via channel T - into the tank. In the subplate, port Y is closed.

Connection

Internal

External

Port in subplate closed

Version “XY"

Pilot oil supply

X

–

✔

–

Pilot oil return

Y

–

✔

Version “PY”

Pilot oil supply

P

✔

–

X

Pilot oil return

Y

–

✔

Version “PT”

Pilot oil supply

P

✔

–

X and Y

Pilot oil return

T

✔

–

Version “XT”

Pilot oil supply

X

–

✔

Y

Pilot oil return

T

✔

–

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

M

–

Z

4

SEH

–

2X

/

3

C

K4

/

*

01

Mineral oil

M

02

Sandwich plate

Z

03

4 main ports

4

Type of actuation

04

electro-hydraulic

SEH

05

Size 10

10

Size 16

16

06

Symbols

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

E

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

E1

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

A

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

B

07

Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions)

2X

Pilot control valve

08

3/2 directional seat valve, type KSDE

3

09

Wet-pin DC solenoid with detachable coil

C

10

Direct voltage 24 V

G24

Nominal voltage 205 V at DC solenoid with operation with AC voltage mains (AC voltage mains 230 V – 50/60 Hz with an admissible voltage tolerance of +/- 10 %)

G205

Nominal voltage 96 V at DC solenoid with operation with AC voltage mains (AC voltage mains 110 V - 50/60 Hz with an admissible voltage tolerance of +/- 10 %)

G96

11

Without manual override

no code

With concealed manual override

N9

With screwable manual override (actuation by means of knurled screw)

N11

12

External pilot oil supply, external pilot oil return

XY

Internal pilot oil supply, external pilot oil return

PY

Pilot oil supply internal, pilot oil return internal

PT

External pilot oil supply, internal pilot oil return

XT

For further details, please refer to Pilot oil supply

Electrical connection

13

Without mating connector, individual connection with connector according to DIN EN 175301-803

K4 1; 2)

Seal material

14

NBR seals

N

FKM seals (other seals upon request)

F

Observe compatibility of seals with hydraulic fluid used.

15

Further details in the plain text

*

1) For the connection to the AC voltage mains, a DC solenoid must be used, which is controlled via a rectifier (see AC voltage mains table).
For individual connection, a mating connector with integrated rectifier can be used (separate order).
2) Mating connectors, separate order.

➀

component side

➁

plate side

general

Size

10 16

Weight

kg

6 14

Installation position

any

Ambient temperature range

NBR seals

°C

-30 … +80

FKM seals

°C

-20 … +80

hydraulic

Size

10 16

Maximum operating pressure

bar

315

Maximum flow

l/min

140 300

Hydraulic fluid

see table

Hydraulic fluid temperature range

NBR seals

°C

-30 … +80

FKM seals

°C

-20 … +80

Viscosity range

mm²/s

10 … 380

Maximum admissible degree of contamination of the hydraulic fluid 1)

Class 20/18/15 according to ISO 4406 (c)
1) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

Hydraulic fluid

Classification

Suitable sealing materials

Standards

Mineral oils and related hydrocarbons

HL, HLP, HLPD

NBR, FKM

DIN 51524

Environmentally compatible

Insoluble in water

HEES

NBR, FKM

ISO 15380

HEPR

FKM

Soluble in water

HEPG

FKM

ISO 15380

Containing water

Water-free

HFDU, HFDR

FKM

ISO 12922

Containing water

HFC

NBR

Important information on hydraulic fluids!

For further information and data on the use of other hydraulic fluids, please refer to data sheet 90220 or contact us! There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.)! Environmentally compatible: When using environmentally compatible hydraulic fluids that are simultaneously zinc-solving, zinc may accumulate in the medium (700 mg zinc per pole tube).

electrical

Voltage type

Direct voltage

Available voltages

V

24 / 96 / 205

Power consumption

W

22

Type of protection according to EN 60529

IP65 (with mating connector mounted and locked)

In the electrical connection, the protective earthing conductor (PE, grounded) is to be connected in accordance with the stipulations.

Notice!

For further technical data regarding the pilot control valve of the KSDE type, please refer to the data sheet.

For applications outside these parameters, please consult us!

(measured with HLP46, ϑOil = 40 ±5 °C)

Δp-qV characteristic curves, size 10

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Δp-qV characteristic curves, size 16

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

➀

component side

➁

plate side

Pilot oil supply

➀

component side

➁

plate side

Version “XY"

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “PY”

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “XT”

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “PT”

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Size 10

Size 16

Pilot control valve, normally open, symbol “E”

Pilot control valve, normally closed, symbol “E1”

Detailed

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “XY"

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Pilot control valve, normally open, symbol “A”

Pilot control valve, normally closed, symbol “B”

Detailed

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “XY"

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Size 10

Size 16

Pilot control valve, normally open, symbol “E”

Pilot control valve, normally closed, symbol “E1”

Detailed

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “XY"

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Pilot control valve, normally open, symbol “A”

Pilot control valve, normally closed, symbol “B”

Detailed

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Version “XY"

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Size 10

Dimensions in mm

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

➀

Component side – porting pattern according to ISO 4401-05-05-0-05

➁

Plate side – porting pattern according to ISO 4401-05-05-0-05

1

Mating connector without circuitry (separate order)

2

Mating connector with circuitry (separate order)

3

DC solenoid “a” (mating connector color: gray)

4

3/2 directional seat valve, type KSDE

5

Name plate

6

Identical seal rings for ports A, B, P, T and T1

7

Identical seal rings for ports X and Y

8

Space required to remove the mating connector

9

Main valve

10

Plug screw or check valve, tightening torque M A= 8 Nm

Subplates according to data sheet 45054 (separate order)

Valve mounting screws (separate order)

4 hexagon socket head cap screws ISO 4762 - M6 - 10.9

Notice!

Length and tightening torque of the valve mounting screws must be calculated in connection with the components mounted underneath and above the sandwich plate valve.

Size 16

Dimensions in mm

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

➀

Component side – porting pattern according to ISO 4401-07-07-0-05

➁

Plate side – porting pattern according to ISO 4401-07-07-0-05

1

Mating connector without circuitry (separate order)

2

Mating connector with circuitry (separate order)

3

DC solenoid “a” (mating connector color: gray)

4

3/2 directional seat valve, type KSDE

5

Name plate

6

Identical seal rings for ports A, B, P, and T

7.1

Seal ring for port X

7.2

Seal ring for port Y

8

Space required to remove the mating connector

9

Main valve

10

Plug screw or check valve, tightening torque M A= 8 Nm

11

Grooved pin

Valve mounting screws (separate order)

4 hexagon socket head cap screws ISO 4762 - M10 - 10.9

Tightening torques MA

Plugs or check valve (channel A, B, P and X)

Nm

8 45

3/2 directional seat valve, type KSDE

Nm

45

Mounting screw, coil

Nm

4

Plug screw, 2-way cartridge valve

Nm

25 100

Plug for NG10

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Plug for NG16

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Item

Version

Plug screw

NG10

NG16

1

„XY“

M4 x 5

M6

3

M6

M6

2

„PY“

M6

M8 x 1

3

M6

M6

1

„PT“

M4 x 5

M6

4

M6

M6

2

„XT“

M6

M8 x 1

4

M6

M6

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair

Mating connectors for valves with connector “K4”, with indicator light

3P Z5L

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Mating connectors for valves with connector “K4”, with indicator light

3P Z5L

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair

Mating connectors for valves with connector “K4”, with indicator light and Zener diode suppression circuit

3P Z5L1

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Mating connectors for valves with connector “K4”, with indicator light and Zener diode suppression circuit

3P Z5L1

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair

Mating connectors for valves with connector “K4”, with rectifier

3P RZ5

technical illustration-R901079982-Sandwich plate valve Electro-hydraulic actuation Porting pattern according to ISO 4401-05-05-0-05 (NG10) and ISO 4401-07-07-0-05 (NG16) Wet-pin DC solenoid Pilot oil supply, internal or external, optional Different combinations of the locking and pass-through functions With manual override, optional Electrical connection as individual connection

Mating connectors for valves with connector “K4”, with rectifier

3P RZ5

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair