VT-MSPA2-21-A5-000-000 Bosch Rexroth Indramat
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MPN: R901439037
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The Bosch Rexroth Indramat VT-MSPA2-21-A5-000-000 is part of the VT-MSPA Drives series and has an operating voltage of 24 V DC with a maximum solenoid current of 2.7 Amps. This drive uses a housing made from glass-fiber reinforced polyamide and features 12 spring-type terminal connections. It has a protection class of IP 20 and weighs 0.14 kilograms.
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Product Description:
The VT-MSPA2-21-A5-000-000 is an electronic drive card manufactured by Bosch Rexroth Indramat within the VT-MSPA Drives series. Built for proportional valve control, the module converts low-level differential commands into precisely regulated current so that hydraulic actuators follow PLC or motion-controller instructions in industrial automation. Its compact format allows easy installation on DIN rails inside control cabinets, where it forms the direct electrical link between supervisory electronics and the solenoid coils that modulate pressure, flow, or directional functions.
Normal operation is supplied by 24 V DC. The differential-voltage input shows an impedance of 200 kΩ, preventing excessive loading of upstream analog outputs. The power stage can deliver up to 2.7 A to a solenoid, and the monitor output remains linear when the connected instrument presents at least 1000 Ω. Output quality is helped by a residual ripple limited to 2.5 Vpp, minimizing unintended valve dither. Environmental limits include temperature changes no faster than 5 °C per minute and continuous service up to 2000 m altitude. The glass-fiber-reinforced polyamide housing weighs 0.14 kg and survives a 1 m free-fall test, demonstrating mechanical resilience during routine handling and maintenance.
Field wiring is completed through 12 spring-type terminals, enabling tool-less connection of supply, command, and load lines. The enclosure carries an IP 20 rating, so cabinet mounting is required, and input protection is provided by a user-installed 3.15 A time-lag fuse. For logistics, the card withstands shocks up to 15 g / 11 ms / 3 axes, limiting the risk of damage during shipment. Command input remains in differential-voltage mode to reject external noise, while the design’s low mass and polymer housing help dissipate heat within the stated temperature gradient.
Frequently Asked Questions about VT-MSPA2-21-A5-000-000:
Q: What operating voltage does the VT-MSPA2-21-A5-000-000 need?
A: The VT-MSPA2-21-A5-000-000 requires a 24 V DC operating voltage for proper function.
Q: What is the maximum solenoid current supported by the VT-MSPA2-21-A5-000-000?
A: This model offers a maximum solenoid current of 2.7 A.
Q: How many and what type of terminals are used for connection on the VT-MSPA2-21-A5-000-000?
A: The connection is made using 12 spring-type terminals for secure and reliable wiring.
Q: What external fuse should be used with the VT-MSPA2-21-A5-000-000?
A: A 3.15 A time-lag external fuse is required for electrical protection.
Q: What material is used for the housing of the VT-MSPA2-21-A5-000-000?
A: The housing is made from glass-fiber reinforced polyamide for added durability.
