The Mitsubishi A1S61PN is a dedicated power supply module designed for the AnS Series programmable logic controllers (PLC). It converts 100-240VAC input into a regulated 5VDC output with a rated current of 5A, providing reliable power to the PLC backplane and connected I/O modules.
Universal AC input voltage range: 100 to 240VAC (50/60Hz)
Rated output: 5VDC / 5A
High efficiency switching regulator design
Built-in overcurrent protection and overvoltage protection
LED indicator for DC output status monitoring
Compact form factor compatible with AnS Series rack systems
Operating temperature range: 0 to 55°C
Storage temperature: -20 to 75°C
Humidity: 10 to 90% RH non-condensing
| Parameter | Value |
|---|---|
| Input voltage | 100-240VAC ±10% |
| Input frequency | 50/60Hz ±5% |
| Output voltage | 5VDC ±5% |
| Output current | 5A (max) |
| Ripple & noise | ≤ 50mVp-p |
| Efficiency | ≥ 82% at full load |
| Inrush current | ≤ 30A peak |

The A1S61PN is part of Mitsubishi's AnS Series modular PLC system. It mounts directly to the AnS main base unit or extension base and supplies power to the CPU, I/O modules, and special function modules. The module features a front-accessible terminal block for AC input wiring and a grounding terminal for safety. Installation follows standard DIN rail or screw mounting procedures as outlined in the AnS Series hardware manual.
Overcurrent protection automatically shuts down the output if the load exceeds 5.5A, preventing damage to downstream components. Overvoltage protection clamps the output at approximately 6.2VDC. The unit complies with EN61000-6-2 (industrial immunity) and EN61000-6-4 (emission standards), and carries CE marking for use in industrial environments.
Used in factory automation systems, machine control, packaging lines, material handling, and any MELSEC AnS based control cabinet requiring stable 5V power for logic circuits. The A1S61PN ensures long-term reliability with an MTBF exceeding 200,000 hours under normal operating conditions.
Width: 55mm, Height: 100mm, Depth: 90mm (including connector). Weight approximately 0.45kg. The housing is flame-retardant plastic rated UL94V-0.
Model: A1S61PN. Replacements or spares should be ordered using this exact part number. Always verify compatibility with your AnS Series base unit revision.



