BOSCH REXROTH
R901276067
- BOSCH REXROTH
- Material:R901276067
- Model:HED 2 OA3X/25/12
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 2 OA3X/25/12 (R901276067) is a high-quality pressure switch designed for precise monitoring and control of hydraulic systems. This component offers a robust solution with an optional control lamp that provides clear indication of the system status. For flexible and secure electrical connections, it features options for both cable gland or connector types, ensuring compatibility with various installation requirements. The switch is equipped with a lockable rotary knob, enhancing safety by preventing unintentional adjustments that could disrupt system performance. Engineered to meet demanding applications, the HED 2 OA3X/25/12 operates at a maximum pressure of 315 bar. It comes with multiple pressure ratings including 50, 100, 200, 250, and 315 bar to cater to different hydraulic circuit specifications. This versatility makes it suitable for a wide range of applications where precise pressure control is essential. Furthermore, the product belongs to the Component series X from Bosch Rexroth, which signifies its compliance with stringent quality and performance standards. Additionally, it holds CCC certification, affirming its reliability and safety for use in various markets that recognize this standard. The Bosch Rexroth HED 2 OA3X/25/12 is an integral component for hydraulic systems requiring accurate pressure regulation and monitoring. Its design ensures durability and consistent operation under high-pressure conditions, making it an ideal choice for professionals seeking dependable hydraulic components.
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01 |
02 |
03 |
04 |
05 |
06 |
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HED 2 OA |
3X |
/ |
* |
|
01 |
Bourdon tube pressure switch |
HED 2 OA |
|
02 |
Component series 30 ... 39 (30 ... 39: unchanged installation and connection dimensions) |
3X |
|
03 |
Pressure rating maximum 25 bar |
25 |
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Pressure rating maximum 63 bar |
63 |
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Pressure rating maximum 100 bar |
100 |
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Pressure rating maximum 200 bar |
200 |
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Pressure rating maximum 400 bar |
400 |
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Electrical connection |
||
|
04 |
Cable gland |
no code |
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Connector 6-pole + PE |
K6 1) |
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|
05 |
without control lamp |
no code |
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Control lamp for 24V (20V to 35V) |
L24 |
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|
06 |
Further details in the plain text |
|
| 1) Mating connectors, separate order, see below. |
Type
|
Component series |
3X |
General
|
Weight |
m |
kg |
1 | |
|
Installation position |
any | |||
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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 |
p |
bar |
1 | 2 | 2.5 | 5 | 7.5 |
|
Pressure adjustment range (decreasing) |
p |
bar |
8 … 25 | 4 … 63 | 6 … 100 | 10 … 200 | 20 … 400 |
|
Pressure adjustment range (increasing) |
p |
bar |
2.5 … 26 | 6 … 66 | 8.5 … 102.5 | 15 … 205 | 27.5 … 407.5 |
|
Hydraulic fluid temperature range (NBR seals) |
ϑ |
°C |
-30 … +80 | ||||
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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
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Anschlussart |
Cable gland Pg 11; connector Pg 11 | |||
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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 | ||
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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