Description:

The Mitsubishi A1S61P MELSEC Power Supply Unit is a DC power supply module used in programmable logic controller (PLC) systems to provide regulated 5 V DC power for PLC CPUs, I/O modules, and peripheral devices. Installed in PLC racks and automation panels where stable control power is required for reliable operation of logic and interface modules. Maintenance teams, system integrators, and OEMs use this power supply for replacement, retrofit, and system expansion to support PLC control networks and ensure consistent power delivery.

Applications:

The Mitsubishi A1S61P MELSEC power supply unit is used in industrial automation systems such as conveyor controls, packaging machinery, assembly lines, material handling systems, and process control panels where DC control power is required. Mitsubishi MELSEC power supplies provide dependable regulated power for PLC CPUs, digital and analog I/O modules, and communication modules to maintain system stability and reduce downtime in manufacturing, processing, and automated environments.

Technical Specifications:

• Manufacturer: Mitsubishi Electric
• Model / Part Number: A1S61P
• Product Type: PLC Power Supply Unit
• Output Voltage: DC 5 V
• Output Current: 5 A
• Input Voltage: AC mains input (model dependent)
• Regulation: Regulated DC output for PLC logic power
• Mounting: PLC rack or panel mount
• Protection: Overload and short‑circuit protection (internal)
• Indicators: Status LED(s) for power/operation
• Operating Temperature: Industrial range
• Standards: Industrial control regulation compliance
• Application: Power supply for PLC CPUs, I/O, and control modules

Common Replacements:

• Mitsubishi A1S61PN
• Omron S8VK‑5V 5 A DC Power Supply
• Allen‑Bradley 1769‑PA4 DC Power Supply