BOSCH REXROTH
R900422803
- BOSCH REXROTH
- Material:R900422803
- Model:HED 1 OA4X/350K
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 1 OA4X/350K (R900422803) is a precision-engineered pressure switch designed for various hydraulic applications. This model, part of component series X, is characterized by its robust construction and is suitable for use in environments where maximum operating pressure reaches up to 350 bar. It offers flexibility with pressure ratings available at different levels, specifically at 50, 100, 200, and 350 bar to cater to diverse system requirements. This particular model comes with a leakage port which can be instrumental in maintaining system efficiency and safety by detecting any leakage in the system. The HED 1 OA4X/350K also provides options for a control lamp and different electrical connections, including a cable gland or plugin connector, enhancing its adaptability for various electrical systems and ensuring ease of monitoring. The unit's design reflects Bosch Rexroth's commitment to reliability and performance. It is built to endure the rigors of heavy-duty operation while providing accurate pressure monitoring critical for the optimization of hydraulic systems. The inclusion of these optional features allows users to customize the pressure switch according to specific operational needs. In summary, the Bosch Rexroth HED 1 OA4X/350K offers a versatile solution for controlling and monitoring hydraulic pressure within a wide range of industrial applications. Its optional features for leakage detection, control indication, and electrical connectivity make it an adaptable component that can enhance system performance while maintaining safety standards.
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01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
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|
HED 1 |
A |
4X |
/ |
* |
|
01 |
Hydraulic/electric pressure switch |
HED 1 |
|
02 |
With leakage port |
K |
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Without leak connection |
O |
|
|
03 |
Device type |
A |
|
04 |
Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions) |
4X |
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Type HED 1 K |
||
|
05 |
Pressure rating maximum 100 bar |
100 |
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Pressure rating maximum 350 bar |
350 |
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Pressure rating maximum 500 bar |
500 |
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Type HED 1 O |
||
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Pressure rating maximum 50 bar |
50 |
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Pressure rating maximum 100 bar |
100 |
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Pressure rating maximum 350 bar |
350 |
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|
06 |
Cable gland |
no code |
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Plug-in connector 6-pole + PE |
K61) |
|
|
07 |
without lamp |
no code |
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Lamp for 24 V (20 V to 35 V) |
L24 |
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Seal material |
||
|
08 |
NBR seals |
no code |
|
FKM seals (other seals upon request) |
V |
|
|
Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) |
||
|
09 |
Further details in the plain text |
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| 1) Mating connector, separate order, see below |
Additional preferred types and standard units are specified in the EPS (standard price list).
Type
|
Component series |
4X |
General
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Weight |
m |
kg |
1.2 |
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Installation position |
Any | ||
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Ambient temperature ranges (NBR seals) |
ϑ |
°C |
-30 … +50 |
|
Ambient temperature ranges (FKM seals) |
ϑ |
°C |
-20 … +50 |
Hydraulisch
|
Type / version |
HED 1 KA | HED 1 KA | HED 1 KA | HED 1 OA | HED 1 OA | HED 1 OA | ||
|
Pressure rating |
p |
bar |
100 | 350 | 500 | 50 | 100 | 350 |
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Max. operating pressure 1) |
p |
bar |
600 | 80 | 350 | |||
|
Pressure adjustment range (decreasing) |
p |
bar |
3 … 92 | 6 … 325 | 10 … 465 | 2 … 45 | 3 … 82 | 6 … 295 |
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Pressure adjustment range (increasing) |
p |
bar |
6 … 100 | 10 … 350 | 20 … 500 | 3.5 … 50 | 8 … 100 | 20 … 350 |
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Maximum pressure at the leakage port |
p |
bar |
2 | |||||
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Hydraulic fluid temperature range (NBR seals) |
ϑ |
°C |
-30 … +80 | |||||
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Hydraulic fluid temperature range (FKM seals) |
ϑ |
°C |
-20 … +80 | |||||
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Viscosity range |
μ |
mm²/s |
10 … 800 | |||||
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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; plug-in 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 |
4 | ||
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Switching frequency, max. 1) |
Type HED 1 OA |
1/h |
3000 | |
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Switching accuracy (repetition accuracy) |
< 2 % 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. | ||
| 1) | shortly 1.5 1/s |
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