BOSCH REXROTH
R901276347
- BOSCH REXROTH
- Material:R901276347
- Model:HED 3 OA4X/100
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 3 OA4X/100 (R901276347) is a high-quality pressure switch designed for precision monitoring and control in hydraulic systems. This device features an optional control lamp for clear indication of the system's status and can be connected electrically via a cable gland or a connector, providing flexibility for various installation requirements. The HED 3 OA4X/100 comes with an optional lockable cap to prevent unauthorized or accidental adjustments, ensuring the integrity of the system's settings. Part of component series X, it is engineered to withstand the demands of heavy-duty operation with a maximum operating pressure that can be accommodated in several pressure ratings including 50, 100, 200, and 315 bar. This versatility makes it suitable for a wide range of applications where precise pressure management is critical. The unit's robust design ensures reliability and longevity even under challenging conditions. Furthermore, this model is CCC certified, attesting to its compliance with international safety standards. The certification indicates that the product has been rigorously tested and meets the necessary requirements for electrical safety and performance. In summary, the Bosch Rexroth HED 3 OA4X/100 is a versatile and reliable pressure switch that offers precise control and monitoring for hydraulic systems. Its customizable features such as the control lamp and lockable cap provide additional utility and security to meet specific operational needs while maintaining high standards of safety and performance through its CCC certification.
|
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