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Rexroth Proportional Amplifier | 0811405063 | VT-VRRA1-527 | R901236404 | VT5041-3X
| Model Number | 0811405063 VT-VRRA 1-527-20/V0/2STV, R901236404 VT 5041-3X/1-0 |
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Product Description
Rexroth VT-VRRA1 & VT5041 Proportional Valve Amplifier Cards
Product Overview:
The Bosch Rexroth VT Series proportional amplifiers are essential electronic components for driving high-performance proportional valves, particularly those with electrical spool feedback. The VT-VRRA1 (0811405063) is an advanced digital amplifier tailored for high-response valves like the 4WRPEH series. In contrast, the VT5041 (R901236404) is a classic analog Eurocard-style amplifier widely utilized in industrial extruders and machine tools for pressure and flow control. These controllers translate low-power command signals into precise solenoid driving currents, ensuring exceptional dynamic response for 2026 high-speed automation.
Featured models: 0811405063 (VT-VRRA1-527-20/V0/2STV) and R901236404 (VT5041-3X/1-0).
Key Technical Advantages:
Precision Spool Management: Specifically engineered for closed-loop spool position feedback, drastically reducing hysteresis and ensuring superior system linearity.
Analog & Digital Solutions: * VT-VRRA1: Digital circuitry offering enhanced EMI resistance and stable parameter storage.
VT5041: Time-tested analog design providing near-instantaneous response and ease of field diagnostics.
Versatile Parameter Calibration: Features on-board potentiometers or digital interfaces for adjusting Gain, Zero Point, and Ramp Times.
Industrial-Grade Safety: Integrated overload protection, short-circuit protection, and sensor cable break monitoring to prevent hydraulic failures due to electrical issues.
Standardized Form Factor: Compliant with Eurocard specifications, ensuring seamless installation into standard racks or DIN-rail mounted card holders.
Detailed Specifications & Model Matrix:
Featured Model Matrix:
0811405063 (VT-VRRA1-527): Proportional amplifier for high-response valves, featuring 2STV control logic.
R901236404 (VT5041-3X/1-0): 3X design sequence, optimized for variable displacement pumps or proportional pressure control.
Technical Specifications:
Supply Voltage: 24V DC (Range 18V – 35V).
Command Signal: $\pm 10\text{V}$ (Voltage) or $4-20\text{mA}$ (Current).
Max Output Current: 2.5 A (PWM driven).
Format: 48-pin or 32-pin Eurocard edge connector.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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