VT-VRPA 1-527-1X/V0/QV Bosch Rexroth Indramat
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MPN: 811405098
The Bosch Rexroth Indramat VT-VRPA 1-527-1X/V0/QV is an electric amplifier from the VT-VRPA Electric Amplifiers series, featuring a 24 V DC nominal supply voltage and a max power consumption of 35 watts. It provides a pulse-modulated solenoid output type with a max solenoid current of 2.7 amps and supports an actual value feedback of 10.2 Veff at 7.8 kHz. The amplifier uses a DIN 41612-F32 connector, has a card format of 100 by 160 mm, and weighs 0.37 kilograms.
Internal Product Review
The VT-VRPA 1-527-1X/V0/QV electric amplifier from Bosch Rexroth Indramat is designed for precision control in hydraulic applications, featuring a nominal supply voltage of 24 V DC and pulse-modulated solenoid output. With a maximum solenoid current of 2.7 A and compatibility with 4WRP6EA and 3FREZ valves, this amplifier delivers reliable performance for demanding systems. Its compact card format and efficient power consumption highlight its suitability for integrated control panels.
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Product Description:
The VT-VRPA 1-527-1X/V0/QV is an electric amplifier card from the VT-VRPA Electric Amplifiers series manufactured by Bosch Rexroth Indramat. In closed loop hydraulic drives, it conditions command and feedback signals so proportional valves receive accurately modulated coil current. That control supports precise pressure or flow regulation across industrial automation systems.
This module operates from a nominal supply of 24 V DC and, under maximum load, draws up to 1.5 A from the control cabinet power rail. Its pulse width stage can deliver a peak solenoid current of 2.7 A. That output translates to a coil power ceiling of 25 W while using a pulse modulated profile to keep switching behavior controlled. The onboard switching regulator maintains thermal dissipation within the card limit even when the connected valve is driven at full stroke.
A Eurocard footprint of 100 x 160 mm mates to a backplane through a DIN 41612-F32 connector. A front plate width of 7 TE conserves rack space in multipoint servo manifolds. Weighing only 0.37 kg, the card adds little mass to hinged door frames. It also provides a plus or minus 10 V reference supply for a 1 kΩ command potentiometer, actual value feedback of 10.2 Veff at 7.8 kHz, and position sensor cable support up to 50 m.
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