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BOSCH REXROTH
R901276067

  • BOSCH REXROTH
  • Material:R901276067
  • Model:HED 2 OA3X/25/12

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 2 OA3X/25/12 (R901276067) is a high-quality pressure switch designed for precise monitoring and control of hydraulic systems. This component offers a robust solution with an optional control lamp that provides clear indication of the system status. For flexible and secure electrical connections, it features options for both cable gland or connector types, ensuring compatibility with various installation requirements. The switch is equipped with a lockable rotary knob, enhancing safety by preventing unintentional adjustments that could disrupt system performance. Engineered to meet demanding applications, the HED 2 OA3X/25/12 operates at a maximum pressure of 315 bar. It comes with multiple pressure ratings including 50, 100, 200, 250, and 315 bar to cater to different hydraulic circuit specifications. This versatility makes it suitable for a wide range of applications where precise pressure control is essential. Furthermore, the product belongs to the Component series X from Bosch Rexroth, which signifies its compliance with stringent quality and performance standards. Additionally, it holds CCC certification, affirming its reliability and safety for use in various markets that recognize this standard. The Bosch Rexroth HED 2 OA3X/25/12 is an integral component for hydraulic systems requiring accurate pressure regulation and monitoring. Its design ensures durability and consistent operation under high-pressure conditions, making it an ideal choice for professionals seeking dependable hydraulic components.

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02

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HED 2 OA

3X

/

*

01

Bourdon tube pressure switch

HED 2 OA

02

Component series 30 ... 39 (30 ... 39: unchanged installation and connection dimensions)

3X

03

Pressure rating maximum 25 bar

25

Pressure rating maximum 63 bar

63

Pressure rating maximum 100 bar

100

Pressure rating maximum 200 bar

200

Pressure rating maximum 400 bar

400

Electrical connection

04

Cable gland

no code

Connector 6-pole + PE

K6 1)

05

without control lamp

no code

Control lamp for 24V (20V to 35V)

L24

06

Further details in the plain text

1) Mating connectors, separate order, see below.

Type

Component series

3X

General

Weight

m

kg

1

Installation position

any

Ambient temperature ranges (NBR seals)

ϑ

°C

-30 … +50

Conformity/certification

CE

EN 61058-1:1993, IEC 60947-5-1

Hydraulisch

Pressure rating

p

bar

25 63 100 200 400

Max. operating pressure 1)

p

bar

30 70 110 210 420

Switching pressure differential

p

bar

1 2 2.5 5 7.5

Pressure adjustment range (decreasing)

p

bar

8 … 25 4 … 63 6 … 100 10 … 200 20 … 400

Pressure adjustment range (increasing)

p

bar

2.5 … 26 6 … 66 8.5 … 102.5 15 … 205 27.5 … 407.5

Hydraulic fluid temperature range (NBR seals)

ϑ

°C

-30 … +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; 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

1.5

Switching frequency, max.

1/h

1800

Switching accuracy (repetition accuracy)

± 1 % 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.

Long-term drift of the switching points

50,000 load cycles 1)

+5 % of the maximum set pressure

100,000 load cycles

+10 % of the maximum set pressure
1) With more than 100000 load cycles, no statements with regard to a long-term drift can be made.

For applications outside these parameters, please consult us!