Industrial Power Supply Solution — Reliance Electric 45C920 | AutoMax Series
The Reliance Electric 45C920 is a dedicated DC power supply module engineered for the AutoMax Distributed Control System (DCS) platform. Designed to deliver stable, regulated power to AutoMax rack-mounted I/O and processor cards, this module is a critical backbone component in continuous-process and discrete manufacturing environments where uptime is non-negotiable.
Where This Product Is Used
The 45C920 is specified by control engineers across industries that rely on the Reliance AutoMax DCS architecture:
- Pulp & Paper Mills — Powers AutoMax controllers managing winder, coater, and dryer drive coordination
- Steel & Metals Processing — Sustains DCS racks in rolling mill and continuous casting control panels
- Chemical & Petrochemical Plants — Provides stable DC bus power in hazardous-area control rooms with AutoMax-based SCADA integration
- Rubber & Plastics Manufacturing — Supports extruder and mixer drive control systems built on the AutoMax platform
- Water & Wastewater Treatment — Maintains power integrity in AutoMax-controlled pump station and aeration basin panels
- Mining & Mineral Processing — Deployed in conveyor, crusher, and mill drive control systems requiring 24/7 reliability
Technical Specifications
- Part Number: 45C920
- Manufacturer: Reliance Electric (Rockwell Automation legacy)
- Series: AutoMax DCS
- Module Type: DC Power Supply Module
- Form Factor: Rack-mount, AutoMax backplane compatible
- Weight: 3.38 kg (as shipped)
- Compatibility: Reliance AutoMax DCS rack systems
- Condition Available: Refurbished / Tested / Surplus New
Full datasheet and wiring diagrams available upon request. Contact [email protected].
Why Engineers Specify This Model
- Platform-native design — Built exclusively for the AutoMax backplane; no adapter or converter required
- Proven field reliability — Thousands of units deployed globally in heavy-industry DCS installations since the 1990s
- Drop-in replacement — Identical form, fit, and function to OEM-installed units; no firmware changes needed
- Reduced downtime risk — Stocking a spare 45C920 eliminates multi-week OEM lead times during unplanned outages
- Legacy system longevity — Extends the operational life of AutoMax DCS infrastructure without costly platform migration
Complete System Bill of Materials
The 45C920 is typically deployed alongside the following AutoMax components. Konmask.com stocks or can source all items below:
- Reliance AutoMax Processor Module (e.g., 45C741, 45C742)
- AutoMax I/O Rack / Backplane Assembly
- Reliance AutoMax Communication Module (e.g., 45C810)
- AutoMax Analog Input / Output Modules
- AutoMax Digital I/O Modules
- Replacement fuses and backplane connectors
Contact us for bundle pricing on multi-module orders.
Compliance & Industry Standards
- Designed and manufactured to UL / CE industrial equipment standards (original OEM certification)
- Compatible with installations governed by IEC 61131 programmable controller standards
- Suitable for use in environments compliant with NFPA 79 (Electrical Standard for Industrial Machinery)
- All refurbished units undergo dielectric withstand and load regulation testing prior to shipment
Quality Assurance & Sourcing
- Functional test: Every unit is powered-on and load-tested before dispatch
- Visual inspection: PCB, connectors, and housing inspected for damage, corrosion, and counterfeit indicators
- Traceability: Serial numbers logged; documentation available on request
- Packaging: Anti-static bag + foam-lined export carton; suitable for international air and sea freight
- Warranty: 90-day functional warranty on all tested units
How to Source This Part
- Add to cart and complete checkout — in-stock units ship within 1–2 business days
- Request a quote for bulk orders (3+ units) or bundled BOM packages via [email protected]
- Urgent requirement? Call or WhatsApp +0086 19859288691 for same-day response on critical spares
- Need a datasheet or test report? Email us with your order reference and we will provide documentation within 24 hours
Application-Specific FAQ
Q: Is the 45C920 compatible with all AutoMax rack sizes?
A: Yes. The 45C920 is designed for the standard AutoMax backplane and is compatible with all rack configurations in the AutoMax DCS family. Verify your rack slot assignment against your system drawing before installation.
Q: Can this module be used as a hot-standby redundant power supply?
A: Redundant PSU configurations depend on your specific AutoMax rack model. Contact us with your rack part number and we can advise on redundancy options and required hardware.
Q: What is the lead time if the unit is not in stock?
A: We maintain a global sourcing network for Reliance legacy parts. Typical lead time for sourced units is 5–15 business days. Contact us for a firm commitment.
Q: Do you provide installation support?
A: We provide wiring diagrams, installation guides, and remote technical advisory via email. On-site support can be arranged through our partner network.
Q: Is this a genuine Reliance Electric part?
A: All units are sourced from verified industrial surplus channels. We do not sell counterfeit or cloned modules. Authenticity documentation is available upon request.
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Contact: [email protected] | +0086 19859288691
