Reliance Electric 45C321 Power Supply Module – AutoMax Series
When a power supply module fails on the plant floor, the consequences are immediate and severe: production lines halt, PLCs lose power, and entire automation cells go dark. Operators scramble, maintenance teams race against downtime costs that can reach thousands of dollars per minute, and the root cause often traces back to a single critical component — the power supply module. The Reliance Electric 45C321 is precisely the component that stands between continuous operation and costly unplanned downtime in AutoMax-based control architectures.
The 45C321 occupies a foundational role within the Reliance Electric AutoMax Series — a control platform widely deployed across heavy industry, metals processing, paper mills, and material handling systems throughout North America and globally. As an OEM-grade power supply module, the 45C321 delivers the regulated DC bus power that AutoMax rack-mounted I/O and processor modules depend on for stable, uninterrupted operation. Its continued availability as a spare part is critical for facilities maintaining legacy AutoMax installations, where replacement of the entire control system is neither economically viable nor operationally practical.
Technical Specifications
- Manufacturer: Reliance Electric (Rockwell Automation)
- Part Number / SKU: 45C321
- Series: AutoMax
- Product Type: Power Supply Module
- Weight: 2,940 g (approx. 6.5 lbs)
- Condition Available: New, Refurbished, Tested Used
- Compatibility: Reliance Electric AutoMax rack systems
Note: Detailed electrical specifications (input voltage range, output DC ratings, current capacity) are confirmed upon inquiry. Contact our technical team for a full datasheet.
Key Features & Benefits
- Direct OEM Replacement: Designed as a drop-in replacement for existing AutoMax rack installations — no rewiring or reconfiguration required.
- Regulated DC Output: Provides stable, clean power to AutoMax processor and I/O modules, protecting sensitive control logic from voltage fluctuations.
- Industrial-Grade Durability: Built to withstand the thermal cycling, vibration, and electrical noise environments typical of heavy industrial facilities.
- Legacy System Support: Enables continued operation of AutoMax control systems without costly full-system upgrades.
- Rapid Availability: Stocked and ready to ship — minimizing your mean time to repair (MTTR) when a failure occurs.
- Tested Before Shipment: All units undergo functional verification prior to dispatch.
Industry & Equipment Applications
- Metals & Steel Processing: Rolling mills, continuous casters, and galvanizing lines using AutoMax drive and control systems.
- Pulp & Paper: Winder, rewinder, and coater control systems built on Reliance Electric AutoMax platforms.
- Material Handling: Conveyor systems, cranes, and hoists with AutoMax-based motion control.
- Mining & Minerals: Crusher, conveyor, and processing plant automation using legacy Reliance Electric controllers.
- Chemical & Petrochemical: Process control panels where AutoMax systems manage pump, valve, and compressor operations.
- Water & Wastewater Treatment: SCADA-integrated AutoMax control panels in municipal and industrial water facilities.
System Integration & Compatible Parts
The Reliance Electric 45C321 is designed to integrate within the AutoMax rack ecosystem. Compatible and commonly co-ordered components include:
- Reliance Electric AutoMax Processor Modules (e.g., 45C Series)
- Reliance Electric AutoMax I/O Modules (Digital and Analog)
- Reliance Electric AutoMax Communication Modules
- AutoMax Rack Backplanes and Chassis
- Reliance Electric FlexPak and GV3000 Drive Systems (for integrated drive-control architectures)
Our technical team can assist in identifying compatible spare parts and building a complete BOM (Bill of Materials) for your AutoMax system maintenance program.
Our Quality Assurance Process
At Konmask.com, every industrial automation component goes through a rigorous quality verification process before it reaches your facility:
- Visual Inspection: Checking for physical damage, corrosion, burnt components, and label integrity.
- Functional Testing: Power-on testing and output verification under load conditions where applicable.
- Cleaning & Reconditioning: Refurbished units are cleaned, reconditioned, and re-inspected to meet operational standards.
- Secure Packaging: Anti-static packaging with foam protection to prevent transit damage.
- Documentation: Test reports and condition certificates available upon request.
How to Order
- Submit an Inquiry: Use the contact form or email support@konmask.com with your part number (45C321) and required quantity.
- Receive a Quote: Our team will respond within 1 business day with pricing, availability, and lead time.
- Confirm & Pay: Approve the proforma invoice and complete payment via your preferred method (T/T, PayPal, or other arrangements).
- Shipment & Tracking: We arrange shipping via DHL, FedEx, or UPS with full tracking provided.
- After-Sales Support: Our technical team remains available post-delivery for integration assistance.
Why Choose Konmask.com?
- Specialized Industrial Focus: We exclusively source and supply industrial automation components — PLCs, DCS modules, drives, and power supplies from leading global brands.
- Global Sourcing Network: Access to verified supplier channels across North America, Europe, and Asia for hard-to-find legacy parts.
- Technical Expertise: Our team includes engineers with hands-on experience in industrial control systems — we speak your language.
- Fast Response: Inquiries answered within 24 hours. Emergency sourcing support available.
- Transparent Condition Reporting: We clearly disclose the condition of every unit — new, refurbished, or tested used — with no ambiguity.
- Trusted by Industry: Serving maintenance engineers, procurement teams, and system integrators across manufacturing, energy, and process industries worldwide.
Frequently Asked Questions
Q: Is the Reliance Electric 45C321 still in production?
A: The 45C321 is a legacy component from the Reliance Electric AutoMax series, which has been discontinued by the OEM. However, Konmask.com maintains access to new-old-stock (NOS) and professionally refurbished units to support ongoing maintenance needs.
Q: What is the lead time for the 45C321?
A: Lead time depends on current stock availability. In-stock units typically ship within 2–5 business days. For sourced units, lead time is confirmed at the time of inquiry. Contact us for real-time availability.
Q: Can you provide a warranty on the 45C321?
A: Yes. We offer a standard 90-day warranty on tested and refurbished units covering functional defects. Warranty terms for new-old-stock units are confirmed at the time of sale.
Q: Do you ship internationally?
A: Yes. We ship worldwide via DHL, FedEx, and UPS Express. Export documentation, including commercial invoices and packing lists, is provided for all international shipments.
Q: Can you help identify other AutoMax spare parts I need?
A: Absolutely. Share your system configuration or rack layout and our technical team will help you build a complete spare parts list for your AutoMax installation.
Q: What payment methods do you accept?
A: We accept T/T (bank wire transfer), PayPal, and other arrangements for qualified buyers. A proforma invoice is issued prior to payment.
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