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BOSCH REXROTH
R901276375

  • BOSCH REXROTH
  • Material:R901276375
  • Model:HED 3 OA4X/200K6L110

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/200K6L110 (R901276375) is a precision-engineered pressure switch designed for reliable performance in various hydraulic applications. This model features an optional control lamp for visual status indication, enhancing the user interface and ensuring operators can easily monitor the switch's state. The electrical connection is versatile, offering options for either a cable gland or a connector, which facilitates easy installation and maintenance in diverse system configurations. Additionally, the inclusion of an optional lockable cap provides an extra layer of security, preventing unintended adjustments that could affect system performance or safety. The HED 3 OA4X/200K6L110 is built to deliver consistent results and is suitable for integration into hydraulic circuits where precise pressure monitoring is critical. Its robust construction ensures longevity and resilience in challenging operating conditions. The switch's capabilities make it an essential component for applications requiring meticulous control over hydraulic pressure parameters, contributing to the overall efficiency and reliability of the hydraulic system it is integrated with. Bosch Rexroth's commitment to quality manufacturing means that this model stands out as a dependable solution for industrial requirements demanding high levels of accuracy and durability in pressure switching technology.

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HED 3OA

4X

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*

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!