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BOSCH REXROTH
R901281703

  • BOSCH REXROTH
  • Material:R901281703
  • Model:HED 3 OA4X/63K6

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/63K6 (R901281703) is a high-quality pressure switch designed for precision and reliability in monitoring and controlling system pressure. This component is part of series X, which signifies its advanced design and compatibility with a range of applications requiring accurate pressure regulation. It boasts a maximum operating pressure of 315 bar, with available pressure ratings of 50, 100, 200, 250, and 315 bar to suit various requirements. This model features an optional control lamp for at-a-glance monitoring, enhancing the user's ability to quickly assess the system status. The electrical connection can be made via a cable gland or connector based on installation preferences or spatial constraints. For added security and prevention of accidental adjustments, this switch also offers an optional lockable cap. The HED 3 OA4X/63K6 is CCC certified, ensuring that it meets stringent quality and safety standards for electrical devices. This certification indicates compliance with Chinese regulations, which is crucial for users operating within or exporting to the Chinese market. With its robust design and versatile features, the Bosch Rexroth HED 3 OA4X/63K6 pressure switch is well-suited for a variety of applications where precise pressure control is essential. Its operational flexibility combined with the option for secure settings makes it an ideal choice for systems that cannot afford compromises in performance or safety.

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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!