BOSCH REXROTH
R901276340
- BOSCH REXROTH
- Material:R901276340
- Model:HED 3 OA4X/63
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 3 OA4X/63 (R901276340) is a high-quality pressure switch designed for precise monitoring and control of hydraulic systems. This component is part of series X, indicating that it incorporates the latest technological advancements from Bosch Rexroth. With a maximum operating pressure of 315 bar, it can handle various pressure ratings including 50, 100, 200, and 315 bar, making it versatile for different applications. The HED 3 OA4X/63 is equipped with an optional control lamp that provides clear indication of the system's status, enhancing safety and operational efficiency. For ease of electrical integration into existing systems, this pressure switch offers an electrical connection via a cable gland or connector according to user preference or installation requirements. Additionally, security features include an optional lockable cap to prevent unauthorized adjustments to the pressure settings. This model has been certified by CCC (China Compulsory Certificate), ensuring compliance with Chinese safety standards and regulations for electrical equipment. The robust design and precise manufacturing reflect Bosch Rexroth's commitment to producing durable and reliable components suitable for a wide range of hydraulic applications. Whether used in industrial machinery or mobile equipment, the HED 3 OA4X/63 provides a dependable solution for pressure monitoring needs.
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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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Spare parts & repair