HED 1 OA4X/350K

Manufacturer: Bosch Rexroth

Material #: R900422803

Model : HED 1 OA4X/350K

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
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.

$840.00 USD

More are expected on October 1, 2024

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Status: This product is temporarily out of stock.

Qty: Delivered as early as October 1, 2024 when ordered in

This product is eligible for factory repair.

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With leakage port, optional Control lamp, optional Electrical connection- Cable gland- Plug-in connector

01	02	03	04		05	06	07	08	09
HED 1		A	4X	/					*

01	Hydraulic/electric pressure switch	HED 1
02	With leakage port	K
02	Without leak connection	O
03	Device type	A
04	Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions)	4X
Type HED 1 K
05	Pressure rating maximum 100 bar	100
	Pressure rating maximum 350 bar	350
	Pressure rating maximum 500 bar	500
Type HED 1 O
	Pressure rating maximum 50 bar	50
	Pressure rating maximum 100 bar	100
	Pressure rating maximum 350 bar	350
06	Cable gland	no code
06	Plug-in connector 6-pole + PE	K61)
07	without lamp	no code
07	Lamp for 24 V (20 V to 35 V)	L24
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

	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

Weight	m	kg	1.2
Installation position			Any
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
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
Pressure adjustment range (increasing)	p	bar	6 … 100	10 … 350	20 … 500	3.5 … 50	8 … 100	20 … 350
Maximum pressure at the leakage port	p	bar	2
Hydraulic fluid temperature range (NBR seals)	ϑ	°C	-30 … +80
Hydraulic fluid temperature range (FKM seals)	ϑ	°C	-20 … +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; plug-in 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
Line cross-section	Cable gland, max.		mm²	4
Switching frequency, max. 1)	Type HED 1 OA		1/h	3000
Switching accuracy (repetition accuracy)				< 2 % of the set pressure
Contact load	AC voltage	I		250 V; 3 A
Contact load	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.