Reliance Electric WR-D4001 – Power Supply Module | AutoMax Drive System
Engineering Background: The Reliance Electric WR-D4001 is a dedicated power supply module engineered for the AutoMax programmable drive control platform — Reliance Electric’s flagship distributed motion and process control architecture widely deployed across North American heavy industry from the 1980s through the 2000s. As a critical power conditioning and distribution component, the WR-D4001 provides regulated DC bus power to AutoMax rack-mounted control cards, ensuring stable operation of drive logic, I/O modules, and communication interfaces under demanding industrial conditions.
Product Positioning: Sourced from verified surplus and decommissioned installations, the WR-D4001 is the preferred replacement solution for maintenance engineers managing legacy AutoMax-based drive systems where OEM new stock is no longer available. Konmask.com supplies this module with full functional inspection, offering procurement engineers a reliable, cost-effective path to system continuity without costly platform migration.
Complete Technical Specifications
- Part Number / SKU: WR-D4001
- Manufacturer: Reliance Electric (Rockwell Automation)
- Product Series / Platform: AutoMax Programmable Drive Control System
- Module Function: Rack Power Supply – DC regulated power distribution to AutoMax control rack
- Form Factor: Single-slot rack-mount module (AutoMax standard card cage compatible)
- Output: Regulated DC power rails for logic and I/O subsystems
- Input Voltage: Per AutoMax rack backplane specification (typically 115/230 VAC)
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5% to 95% non-condensing
- Weight: Approx. 1.59 kg
- Condition: Surplus / Refurbished – Functionally tested
- Country of Origin: USA
- Warranty: 12-month Konmask operational warranty
Proven Application Environments
- Steel mills and rolling mill drive control systems
- Paper and pulp processing lines with AutoMax-controlled winders
- Mining conveyor and hoist drive systems
- Cement plant kiln and mill drive automation
- Chemical and petrochemical process drive control
- Water and wastewater pump station drive systems
- Automotive assembly line drive and motion control
Engineering Advantages
- Drop-in Replacement: Direct form-fit-function replacement for failed WR-D4001 units — no firmware changes or rack reconfiguration required
- Stable Power Delivery: Provides clean, regulated DC rails critical for preventing logic faults and communication errors in AutoMax racks
- Extends System Life: Enables continued operation of proven AutoMax platforms, deferring costly drive system upgrades
- Functionally Verified: Each unit undergoes bench-level power-on and output voltage verification prior to shipment
- Immediate Availability: In-stock surplus inventory supports emergency maintenance and planned shutdown schedules
System Architecture & Signal Flow
Within the AutoMax control architecture, the WR-D4001 power supply module occupies a dedicated slot in the AutoMax card cage. It receives AC mains input via the rack backplane or direct wiring and converts it to the regulated DC voltages required by co-resident modules including the AutoMax processor board, I/O interface cards, and network communication modules. Proper operation of the WR-D4001 is a prerequisite for all rack-level control functions — a failed power supply will result in complete rack shutdown and drive fault conditions. The module interfaces directly with the AutoMax backplane bus, distributing power without requiring external wiring to individual cards.
Sourcing & Quality Verification
- Source: Decommissioned industrial installations and verified surplus distributors
- Inspection Protocol: Visual inspection → cleaning → power-on test → output voltage measurement → functional verification
- Traceability: Each unit logged with receipt date, source classification, and test results
- Packaging: Anti-static bag + foam-lined carton for safe international transit
- Documentation: Certificate of functionality available upon request
Procurement Process
- Confirm part number WR-D4001 matches your AutoMax rack configuration
- Submit inquiry or place order directly at Konmask.com
- Receive order confirmation and lead time within 1 business day
- Unit ships with tracking; typical transit 3–7 business days internationally
- Post-delivery technical support available via email or phone
Technical FAQ
Q: Is the WR-D4001 compatible with all AutoMax rack sizes?
A: The WR-D4001 is designed for the standard AutoMax card cage. Please verify your rack model and slot configuration before ordering. Contact us if you need compatibility confirmation.
Q: What is the lead time for this module?
A: In-stock units typically ship within 1–2 business days. Contact us for current stock status.
Q: Can you provide a test report or certificate of functionality?
A: Yes. A functional test certificate is available upon request at no additional charge.
Q: Do you accept returns if the module does not resolve our fault?
A: We offer a 30-day return policy for modules that are returned in original condition. Our technical team can assist with pre-purchase compatibility verification to minimize this risk.
Q: Is this a new or refurbished unit?
A: This is a surplus/refurbished unit sourced from decommissioned installations. It has been functionally tested and is covered by our 12-month operational warranty.
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