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BOSCH REXROTH
R901276353

  • BOSCH REXROTH
  • Material:R901276353
  • Model:HED 3 OA4X/100/12

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 3 OA4X/100/12 (R901276353) is a high-quality pressure switch designed for precise monitoring and control in hydraulic systems. This device falls under component series X, indicating it includes the latest technological enhancements from Bosch Rexroth. The pressure switch is capable of operating at a maximum pressure of 100 bar, with available pressure ratings at intervals including 50, 200, 250, and 315 bar to accommodate various application requirements. Equipped with a control lamp for status indication, the HED 3 OA4X/100/12 ensures easy monitoring of system performance. The model offers flexibility in terms of electrical connections; users can choose between a cable gland or connector based on their specific installation needs. Additionally, the presence of an optional lockable cap provides added security against unintended adjustments, maintaining system integrity. This pressure switch is CCC certified, assuring compliance with Chinese safety standards and confirming its suitability for use in applications within China that require certification. Whether used in industrial hydraulics or mobile equipment, the Bosch Rexroth HED 3 OA4X/100/12 offers reliable performance and contributes to the efficient operation of hydraulic systems by providing accurate pressure control and feedback.

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HED 3OA

4X

/

*

1) Mating connectors, separate order, see below.

Type

Component series

4X

General

Weight

m

kg

0.8

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 range

p

bar

2 … 23.5 4 … 59 5 … 94 10 … 190 15 … 380

Pressure adjustment range (decreasing)

p

bar

1.5 … 25 4 … 63 6 … 100 10 … 200 20 … 400

Pressure adjustment range (increasing)

p

bar

3.5 … 27 8 … 67 11 … 105 20 … 210 35 … 415

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!