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VT-VRPA2-537-1X/V0/RTP 0811405120

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Bosch Rexroth VT-VRPA2-537-1X/V0/RTP, material 0811405120, is a 24 V DC analog amplifier for compatible 4WRP 10 proportional valves. It converts a ±10 V command into the selected valve-current drive.
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Technical specifications for VT-VRPA2-537-1X/V0/RTP 0811405120

  • Manufacturer:
    Rexroth
  • Part Number:
    VT-VRPA2-537-1X/V0/RTP 0811405120
  • Product Family:
    VT-VRPA2 Series
  • Product Type:
    Analog Valve Amplifier Card
  • Stock:
    1
  • Material number:
    0811405120
  • Type:
    VT-VRPA2-537-1X/V0/RTP
  • Supply voltage:
    24 V DC
  • Command input:
    0 to ±10 V
  • Card role:
    Master analog amplifier
  • Valve current selection:
    3.7 / 50
  • Compatible valve family:
    4WRP 10 E/W
  • Legacy code:
    WV60-RGC2
  • Legacy mapped type:
    VT-VRPA 2-537-10/V0/RTP
  • Weight:
    0.77 lbs (0.3493 kg)
  • Tariff Code:
    85371098
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Compatibility Control Efficiency

Features:

  • Operates from a nominal 24 V DC control supply.
  • Accepts an analog command spanning 0 to ±10 V.
  • Provides the selected current drive for compatible 4WRP 10 E/W valves.
Material number 0811405120 corresponds to the VT-VRPA2-537-1X/V0/RTP execution and its documented legacy mapping. Both identifiers should appear on a replacement request.

The card translates low-power controller commands into the regulated coil current that positions a proportional hydraulic valve and therefore influences speed, direction or force in the machine axis.

Check the installed valve nameplate, current selector, command polarity and reference wiring before mounting. Initial adjustment belongs in a controlled hydraulic commissioning procedure, not in live production.

Supply review for 0811405120 includes the complete VT-VRPA2 type and legacy cross-reference.
Verified resources for Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Drive a compatible proportional spool valve from an analog machine-control signal.
  • Maintain a hydraulic axis using the documented WV60-RGC2 legacy mapping.
  • Restore an existing 4WRP 10 E/W control channel without changing its command source.
  • Use the amplifier only with the documented 4WRP 10 E/W valve arrangement.
  • Confirm that material number 0811405120 matches the installed Rexroth card.
  • Treat WV60-RGC2 as a legacy mapping that still requires a full nameplate comparison.
  • Command polarity determines the direction of the proportional output current.
  • The 3.7/50 selection must correspond to the connected valve coil requirement.
  • Zero and gain checks should be completed before closed-loop operation resumes.
  • The amplifier supplies controlled coil current rather than dissipating power in a simple resistor interface.
  • Correct adjustment allows the valve to follow the controller command without unnecessary saturation.
  • Stable 24 V DC power helps preserve repeatable hydraulic response across the operating cycle.
Description
VT-VRPA2-537-1X/V0/RTP 0811405120 is the Rexroth master amplifier identified by material number 0811405120 for the stated proportional-valve application. A 24 V DC supply powers the card, while the analog command path accepts a signal from 0 to ±10 V and converts it into controlled current for the selected valve coil arrangement.

The amplifier sits between a machine controller and the hydraulic directional valve, shaping the electrical command that determines spool movement. Its selectable 3.7/50 current setting and compatibility with the 4WRP 10 E/W valve family make the exact card code part of the hydraulic performance, not merely a generic interface.

Commissioning should be carried out with hydraulic motion inhibited and system pressure managed, because command polarity or an incorrect current selection can produce unexpected actuator travel. Supply reference, zero adjustment, wiring shields, valve identity and the legacy WV60-RGC2 mapping all need confirmation before the control loop is returned to automatic operation.
Alternative Names
VT-VRPA2-537-1X/V0/RTP 0811405120 VT VRPA2 537 1X V0 RTP 0811405120 VT-VRPA2-537-1X-V0-RTP-0811405120 VTVRPA25371XV0RTP0811405120 Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120 VT-VRPA2-537-1X/V0/RTP 0811405120 VT-VRPA2 Bosch Rexroth Analog Valve Amplifier Card VT-VRPA2-537-1X/V0/RTP 0811405120 Analog Valve Amplifier Card
Technical notes
Bosch Rexroth 0811405120 can drive hydraulic movement immediately when a command is present; block hazardous motion and verify current selection, polarity and zero before enabling the valve.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which valve family is paired with Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120?
The documented amplifier execution is associated with compatible 4WRP 10 E/W proportional valves.
What command signal is used by Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120?
The card accepts an analog reference from 0 to ±10 V, with sign determining the requested direction.
Why is the 3.7/50 selection important on Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120?
It sets the valve-current characteristic and must correspond to the coil arrangement named in the hydraulic design.
How is zero checked on Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120?
Remove an active motion command, secure the hydraulic axis and follow the Rexroth commissioning method while observing valve response.
What does WV60-RGC2 mean beside Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120?
It is a legacy cross-reference associated with the mapped VT-VRPA amplifier type and should be retained in maintenance records.
Which conditions must be controlled during Bosch Rexroth VT-VRPA2-537-1X/V0/RTP 0811405120 startup?
Manage hydraulic pressure, inhibit hazardous motion and verify supply, reference, command polarity, shielding and valve identity.