BOSCH REXROTH
R900448891
- BOSCH REXROTH
- Material:R900448891
- Model:HED 1 KA4X/500K
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth HED 1 KA4X/500K (R900448891) is an advanced pressure switch designed for precise monitoring and control of hydraulic systems. This component is part of the series X and is engineered to withstand a maximum operating pressure of up to 500 bar, with available pressure ratings of 50, 100, 200, and 315 bar to cater to various application requirements. It features an optional leakage port that enhances its functionality in systems where fluid bypass detection is crucial. Equipped with customization options such as an optional control lamp and electrical connections that include both cable gland and plugin connector types, the HED 1 KA4X/500K offers versatility to meet diverse installation environments. This pressure switch is well-suited for integration into a wide range of hydraulic circuits where precise pressure monitoring is essential for the performance and safety of the system. The robust design ensures reliability and long service life, making it a valuable component in applications that demand consistent operation under high-pressure conditions. Its adaptability through different electrical connection options allows for easy integration into existing systems or new setups. Overall, the Bosch Rexroth HED 1 KA4X/500K (R900448891) represents a sophisticated solution for hydraulic system management, ensuring optimal functionality through precision engineering.
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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 |
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|
03 |
Device type |
A |
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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) |
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|
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 |
||
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08 |
NBR seals |
no code |
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FKM seals (other seals upon request) |
V |
|
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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 |
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Ambient temperature ranges (FKM seals) |
ϑ |
°C |
-20 … +50 |
Hydraulisch
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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 | |||
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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 | |||
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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!
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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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