Bosch Rexroth 0811405061 Proportional Valve Amplifier Module – PL10 Series
When a proportional valve amplifier fails on the production floor, the consequences are immediate and severe: hydraulic axes lose precise position control, CNC machines halt mid-cycle, and injection molding presses produce out-of-tolerance parts. Every minute of unplanned downtime translates directly into scrapped material, missed delivery windows, and escalating maintenance costs. The Bosch Rexroth 0811405061 amplifier module is the critical electronic interface between your control system and proportional valve — without it, closed-loop hydraulic control simply does not exist.
The PL10 series represents Bosch Rexroth’s dedicated line of DIN-rail-mounted proportional valve amplifier cards, engineered for integration into industrial control cabinets alongside PLCs and motion controllers. Part number 0811405061 is a widely deployed variant within this series, trusted across European and Asian manufacturing facilities for its robust signal conditioning, integrated ramp generators, and compatibility with Rexroth 4/3 and 4/2 proportional directional control valves. As one of the most recognized amplifier references in the Rexroth hydraulics ecosystem, it remains a critical spare part for OEM machine builders and end-user maintenance teams worldwide.
Technical Specifications
- Manufacturer: Bosch Rexroth AG
- Part Number: 0811405061
- Series: PL10
- Product Type: Proportional Valve Amplifier Module
- Mounting: DIN Rail (35 mm)
- Supply Voltage: 24 V DC (nominal)
- Output: Proportional solenoid driver output
- Signal Input: Analog command signal (±10 V / 0–10 V)
- Functions: Enable input, ramp generator, dither, zero/gain adjustment
- Weight: 680 g
- Compatibility: Bosch Rexroth proportional directional control valves (4/3, 4/2 types)
Note: All specifications are based on published Bosch Rexroth documentation. Verify against your machine’s original datasheet before ordering.
Key Features & Benefits
- Precise Proportional Control: Delivers stable, continuously variable solenoid current output for smooth hydraulic axis positioning.
- Integrated Ramp Generator: Configurable acceleration/deceleration ramps reduce hydraulic shock and extend valve service life.
- Dither Function: Built-in dither signal minimizes valve hysteresis for improved repeatability in closed-loop applications.
- DIN Rail Mounting: Standard 35 mm DIN rail form factor simplifies cabinet integration and replacement.
- Enable Input: Dedicated enable/disable input for safe integration with PLC safety circuits.
- Compact Design: Space-efficient module reduces control cabinet footprint.
- Wide Industrial Compatibility: Designed for use with the full range of Rexroth proportional directional valves.
Industry & Equipment Applications
- Injection Molding Machines: Precise clamping force and injection speed control via proportional hydraulics.
- CNC Machining Centers: Hydraulic clamping, tailstock, and steady-rest axis control.
- Metal Forming Presses: Proportional pressure and flow control for bending, stamping, and forging.
- Die Casting Machines: Shot speed and intensification pressure profiling.
- Mobile Hydraulics & Industrial Vehicles: Boom, arm, and attachment flow control.
- Test Rigs & Simulation Systems: High-accuracy force and position servo control.
- Paper & Steel Mill Equipment: Web tension and roll gap control systems.
System Integration & Compatible Parts
The 0811405061 amplifier module is designed to work within the Bosch Rexroth proportional hydraulics ecosystem. Typical system integration includes:
- Bosch Rexroth 4/3 proportional directional control valves (e.g., 4WRE, 4WRKE series)
- Rexroth IndraDrive or external PLC analog output cards (±10 V command)
- 24 V DC DIN rail power supplies (e.g., Phoenix Contact, Siemens SITOP)
- Position transducers / LVDTs for closed-loop feedback (where applicable)
- Rexroth HNC100 / HNC200 axis controllers for multi-axis hydraulic systems
Contact our technical team to confirm compatibility with your specific valve model and control architecture.
Our Quality Assurance Process
- Source Verification: All units are sourced from authorized distributors or verified surplus channels with full traceability.
- Visual & Functional Inspection: Each module undergoes visual inspection for physical damage, connector integrity, and label verification.
- Authenticity Check: Part numbers, date codes, and manufacturer markings are cross-referenced against Bosch Rexroth documentation.
- Secure Packaging: Anti-static packaging with foam protection ensures safe transit to your facility.
- Documentation: Certificate of conformity and inspection report available upon request.
How to Order
- Submit an inquiry via the Contact / Request a Quote form on this page.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 1 business day with availability, lead time, and a formal quotation.
- Upon order confirmation, we arrange secure export packaging and international shipping (DHL, FedEx, UPS, or sea freight).
- Tracking information and commercial invoice are provided upon dispatch.
Why Choose Konmask.com?
- Industrial Automation Specialists: Focused exclusively on PLC, DCS, servo, and hydraulic automation components.
- Global B2B Supply: Serving OEM machine builders, MRO teams, and system integrators across 40+ countries.
- Fast Inquiry Response: Dedicated technical sales team responds within 24 hours.
- Competitive Pricing: Direct sourcing relationships enable cost-effective pricing for both single units and bulk orders.
- Reliable Logistics: Experienced in export documentation, customs compliance, and international freight for industrial parts.
- Long-Term Partnership: We support your ongoing spare parts program, not just one-time transactions.
Frequently Asked Questions
- Q: Is the 0811405061 a new, refurbished, or used unit?
- A: We supply both new-in-box and tested/refurbished units depending on availability. The condition is clearly stated in your quotation. All units pass our QA inspection before shipment.
- Q: What is the lead time for this part?
- A: Lead time varies by stock availability. In-stock units typically ship within 2–5 business days. Please submit an inquiry for a confirmed lead time.
- Q: Can you supply the matching proportional valve for this amplifier?
- A: Yes. Konmask.com stocks a wide range of Bosch Rexroth proportional and servo valves. Please include your valve model in your inquiry.
- Q: Do you provide a warranty?
- A: Yes, we offer a standard 90-day warranty against manufacturing defects on all supplied units. Extended warranty options are available for volume orders.
- Q: What payment and shipping terms do you accept?
- A: We accept T/T (bank transfer), PayPal, and Western Union. Shipping terms include EXW, FOB, and CIF depending on your preference.
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