Bosch Rexroth R900021389 Solenoid Coil

Description

This is a genuine solenoid coil, part number R900021389, manufactured by Bosch Rexroth. It is designed to actuate hydraulic directional control valves, providing reliable and precise operation in a wide range of industrial hydraulic systems. This coil operates on a 24V DC power supply.

Specifications

• Manufacturer: Bosch Rexroth
• Part Number: R900021389
• Product Type: Solenoid Coil
• Voltage: 24V DC
• Current: 1.25 A
• Power: 30 W
• Connector Type: Connector according to DIN EN 175301-803 (formerly DIN 43650 Form A)
• Protection Class: IP65 (with connector correctly installed)

Label Info

• R900021389
• 24VDC 1.25A

Application

This solenoid coil is commonly used on Bosch Rexroth hydraulic valves in applications such as machine tools, manufacturing equipment, mobile hydraulics, and automation systems where precise fluid control is required.

Country of Origin

Manufactured in Germany.

CO2 Impact

Opting for a refurbished or surplus component like this one prevents the emission of approximately 12.0 kg of CO2, which would have been generated during the production of a new unit. This saving is equivalent to the CO2 absorbed by a small tree over several years.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

This coil requires a standard connector conforming to DIN EN 175301-803, which was previously known as DIN 43650 Form A. Ensure the connector includes a seal for proper IP65 rating.

Yes, Bosch Rexroth designs these coils for 100% duty cycle (ED), meaning they can remain energized continuously without overheating, provided they are operated within their specified voltage and ambient temperature limits.

The most common failure modes are either an open circuit (broken wire in the winding) or a short circuit (insulation breakdown), often caused by voltage spikes, excessive heat, or moisture ingress from a faulty connector seal.

Last Update: Friday, March 13, 2026

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