Toshiba A8A-44 Multi-Contact AC Control Relay Unit

Description:

The Toshiba A8A-44 Control Relay (4A4B) is used to provide auxiliary switching, interlocking, and control logic functions in industrial electrical control systems. Commonly installed in motor control centers (MCCs), industrial control panels, machine tools, conveyors, process automation systems, and OEM machinery requiring a 4NO/4NC multi-contact control relay rated up to AC 600 V. Maintenance technicians, OEMs, and system integrators use this control relay for replacement of failed auxiliary relays, control panel repairs, machine retrofits, and restoration of reliable control circuit operation. 

Applications:

The Toshiba A8A-44 Control Relay (4A4B) performs auxiliary switching, electrical interlocking, signal isolation, and sequence control in industrial automation systems. It is widely used in manufacturing plants, power distribution panels, packaging machinery, HVAC systems, material handling equipment, and factory automation applications requiring dependable multi-contact relay operation. 

Technical Specifications:

• Manufacturer Part Number (MPN): A8A-44
• Brand: Toshiba
• Product Type: Multi-Contact AC Control Relay
• Contact Configuration: 4A4B (4 NO + 4 NC)
• Rated Insulation Current (Ith): 10 A
• Maximum Switching Voltage: AC 600 V
• Contact Rating: 3 A at 220 VAC
• Contact Rating: 1 A at 440 VAC
• Coil Voltage: 200 V 50 Hz / 200–220 V 60 Hz (varies by model)
• Relay Type: Electromagnetic Auxiliary Control Relay
• Standard: JEM AC11-1-1-0
• Mounting: Panel Mount / Relay Socket Mount
• Application: Motor Control Panels, Industrial Automation, Process Control, and Machine Control Systems
• Country of Origin: Japan

Common Replacements:

• Toshiba A8A-44 (100–110 VAC Coil)
• Toshiba A4-40E Multi Voltage Control Relay
• Omron MY4N-GS Multi-Contact Control Relay