BOSCH REXROTH
R901276344
- BOSCH REXROTH
- Material:R901276344
- Model:HED 3 OA4X/63/12
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 3 OA4X/63/12 (R901276344) is a precision-engineered pressure switch designed for versatile applications where monitoring and control of system pressure are essential. This device comes with an optional control lamp that enhances visibility and operational monitoring, ensuring that users can easily check the status of the system. The electrical connection can be made either through a cable gland or a connector, providing flexibility in installation according to different system requirements. With its lockable cap feature, also optional, the pressure switch offers additional security and prevents unintended adjustments that could disrupt system performance. The component series X to which this model belongs indicates its compatibility with a range of industrial applications due to its robust design and advanced features. The HED 3 OA4X/63/12 is designed to withstand maximum operating pressures up to bar levels, showcasing its capability to function reliably within high-pressure environments. It offers various pressure ratings including , , , and bar options, accommodating a broad spectrum of industrial processes and applications. Furthermore, this model is CCC certified, affirming its compliance with international standards and regulations regarding safety and quality. This Bosch Rexroth pressure switch is an essential component for systems requiring precise pressure monitoring and control. Its durable construction and adaptable features make it suitable for a variety of applications while ensuring reliability and safety in operation.
|
01 |
02 |
03 |
04 |
05 |
06 |
07 |
|
|
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!
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Mating connectors for mechanical position switches, mechanical pressure switches and valves with central connection with connector “K6” and “DK6L”, 6-pole + PE
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Spare parts & repair