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R612B

The R612B is a redundant power supply module designed for Mitsubishi MELSEC iQ-R Series PLCs, ensuring uninterrupted operation in mission-critical automation systems. It provides dual power inputs (100-240V AC) with automatic switchover, minimizing downtime in industrial applications where power reliability is essential.

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Key Features
1. Redundant Power Design
Dual AC inputs (100-240V AC, 50/60Hz)

Automatic switchover (<1ms interruption) during power failure

Load sharing between primary and secondary power supplies

2. High Efficiency & Reliability
Output: 5V DC (8A) + 24V DC (0.8A)

Efficiency: ≥85%

MTBF: 500,000 hours (typical)

3. Advanced Monitoring
LED indicators for power status (RUN, ALM)

Failure detection (overload, overvoltage, overtemperature)

Alarm contacts (1a relay output for external notification)

4. Seamless Integration
Compatible with iQ-R Series redundant CPUs (e.g., R12/R25/R26)

Hot-swappable (supports online replacement)

DIN rail mountable

5. Robust Construction
Operating temperature: -10°C to 55°C

Vibration resistance: 4.9 m/s²

Safety certifications: CE, UL, cUL

Technical Specifications
Parameter Specification
Input Voltage 100-240V AC (±10%), 50/60Hz
Output Voltage 5V DC (8A), 24V DC (0.8A)
Hold-up Time 20ms min (at 200V AC)
Isolation 1,500V AC (input-output)
Dimensions 98(W) × 124(H) × 75(D) mm