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BOSCH REXROTH
R900383855

  • BOSCH REXROTH
  • Material:R900383855
  • Model:HED 1 OA4X/100

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 HED 1 OA4X/100 (R900383855) is a precision-engineered pressure switch designed for high-performance hydraulic systems. This switch is part of the component series X, known for its reliability and adaptability to a wide range of operating conditions. It features a maximum operating pressure of 315 bar, with pressure rating options of 50, 100, 200, and 315 bar to cater to different system requirements. The HED 1 OA4X/100 comes equipped with a leakage port and offers the flexibility of adding an optional control lamp for visual monitoring. Its electrical connections are versatile, with options for cable gland or plugin connector setups, ensuring easy integration into various electrical systems. The product's robust construction and precise operation make it suitable for applications where accurate pressure monitoring is critical. Bosch Rexroth's attention to detail in the design of the HED 1 OA4X/100 ensures that it delivers consistent performance even under challenging conditions. Its capabilities make it an essential component in hydraulic circuits that demand precise control and safety. Whether used in mobile hydraulics, industrial machinery, or any other application requiring dependable pressure switching, this Bosch Rexroth pressure switch stands out for its quality and durability.

01

02

03

04

05

06

07

08

09

HED 1

A

4X

/

*

01

Hydraulic/electric pressure switch

HED 1

02

With leakage port

K

Without leak connection

O

03

Device type

A

04

Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions)

4X

Type HED 1 K

05

Pressure rating maximum 100 bar

100

Pressure rating maximum 350 bar

350

Pressure rating maximum 500 bar

500

Type HED 1 O

Pressure rating maximum 50 bar

50

Pressure rating maximum 100 bar

100

Pressure rating maximum 350 bar

350

06

Cable gland

no code

Plug-in connector 6-pole + PE

K61)

07

without lamp

no code

Lamp for 24 V (20 V to 35 V)

L24

Seal material

08

NBR seals

no code

FKM seals (other seals upon request)

V

Observe compatibility of seals with hydraulic fluid used. (Other seals upon request)

09

Further details in the plain text

1) Mating connector, separate order, see below

Additional preferred types and standard units are specified in the EPS (standard price list).

Type

Component series

4X

General

Weight

m

kg

1.2

Installation position

Any

Ambient temperature ranges (NBR seals)

ϑ

°C

-30 … +50

Ambient temperature ranges (FKM seals)

ϑ

°C

-20 … +50

Hydraulisch

Type / version

HED 1 KA HED 1 KA HED 1 KA HED 1 OA HED 1 OA HED 1 OA

Pressure rating

p

bar

100 350 500 50 100 350

Max. operating pressure 1)

p

bar

600 80 350

Pressure adjustment range (decreasing)

p

bar

3 … 92 6 … 325 10 … 465 2 … 45 3 … 82 6 … 295

Pressure adjustment range (increasing)

p

bar

6 … 100 10 … 350 20 … 500 3.5 … 50 8 … 100 20 … 350

Maximum pressure at the leakage port

p

bar

2

Hydraulic fluid temperature range (NBR seals)

ϑ

°C

-30 … +80

Hydraulic fluid temperature range (FKM seals)

ϑ

°C

-20 … +80

Viscosity range

μ

mm²/s

10 … 800

Maximum admissible degree of contamination of the hydraulic fluid 2)

Class 20/18/15 according to ISO 4406 (c)
1) short-time
2) 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.

Elektrisch

Anschlussart

Cable gland Pg 11; plug-in connector Pg 11

Protection class according to DIN EN 60529

IP65 (with mating connector mounted and locked)

Line cross-section

Mating connector, max.

mm²

1.5

Cable gland, max.

mm²

4

Switching frequency, max. 1)

Type HED 1 OA

1/h

3000

Switching accuracy (repetition accuracy)

< 2 % of the set pressure

Contact load

AC voltage

I

250 V; 3 A

Direct voltage

I

40 V; 1 A; In case of DC voltage with inductive load, spark extinguishing is to be provided in order to increase the life cycle.
1) shortly 1.5 1/s

For applications outside these parameters, please consult us!