The Q61SP is a safety power supply module for Mitsubishi's MELSEC-Q Series Safety PLC systems, designed to provide redundant, fault-tolerant power for safety-critical automation applications. It ensures continuous operation of safety functions even during power disturbances.
Key Specifications
Parameter Specification
Model Q61SP
Input Voltage 24V DC (+20%/-15%)
Output Voltage 5V DC (for safety CPU)
Output Current 3.0A (max)
Backup Time 20ms (min) at power failure
Isolation Reinforced isolation (input-to-output)
Diagnostics LED indicators (POWER, ERR)
Mounting MELSEC-Q base unit (left-side position)
Weight 0.3 kg
Safety Features
✔ Dual-Circuit Design - Redundant power paths for fault tolerance
✔ Instant Detection - <1ms fault detection response
✔ Fail-Safe Operation - Automatic switch to backup power
✔ SIL3/PL e Compliant - Meets IEC 61508 & ISO 13849-1
✔ Diagnostic Coverage >99% (per IEC 62061)
System Integration
Required Position: Must be installed adjacent to safety CPU (Q24/26/28SHCPU)