This power supply module delivers reliable DC power distribution for AutoMate control systems. Reliance Electric engineered this unit to provide stable voltage for I/O racks and processors. Technicians will appreciate its robust construction and straightforward installation.
Core Technical Specifications
The Reliance Electric 45C321 converts AC input power to regulated DC outputs for system components. Its modular design allows easy replacement without disturbing field wiring. The table below outlines the key technical parameters.
| Parameter | Specification |
|---|---|
| Module Type | Power Supply Module |
| Input Voltage | 120/240 VAC nominal (47-63 Hz) |
| Output Voltage | 5 VDC, ±15 VDC |
| Output Current | 5 A at 5 VDC, 1 A at ±15 VDC |
| Total Power | 40 W maximum |
| Dimensions (W x H x D) | 4.2 x 5.5 x 3.8 inches |
| Weight | 2.6 lbs (1.18 kg) |
| Protection | Overcurrent, overvoltage, short circuit |
| Component Count | Single main PCB with toroidal transformer |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -20°C to 70°C |
Mechanical Architecture and Component Layout
Engineers will find the internal architecture of this power supply module highly robust. The Reliance Electric 45C321 contains a single main circuit board with a toroidal transformer for efficient power conversion. This design minimizes electromagnetic interference while maximizing reliability. Additionally, the module includes dedicated output regulation circuits that maintain stable voltages under varying loads. Operators can rely on consistent power delivery across all connected components.
Output Capabilities and System Integration
Furthermore, this module provides three distinct output voltages for AutoMate system components. The 5 VDC output powers processors and logic circuits throughout the rack. The ±15 VDC outputs supply analog modules and specialized I/O cards. You can connect the unit to AutoMate I/O racks or processor chassis with standard backplane connectors. For static trip relay applications, this power supply pairs seamlessly with modules like the RMS TSG TZ C Static Trip series. The integrated protection circuits safeguard against electrical faults without external components.
Power Management and Environmental Durability
This module accepts standard 120/240 VAC input, eliminating the need for step-down transformers. Its switching design delivers high efficiency across the entire load range. Moreover, the operating temperature range spans 0°C to 60°C, ensuring stable performance across diverse conditions. Reliance Electric (now part of ABB) designed this series for extended service life in demanding industrial applications. The compact form factor occupies a single rack slot while powering multiple modules.
Details
| Weight | 3.6 kg |
|---|---|
| Dimensions | 280 × 150 × 80 mm |
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