Product Details

Modicon AS-012B-202 is a durable ac contactor and reliable power switching unit built for legacy industrial control cabinets. This legacy switching part is designed to switch motor loads and general power circuits under automated PLC command. It receives control signals from Modicon I/O modules to connect or cut off the main power circuit, supporting remote automatic operation for pumps, conveyors and other field equipment. With stable contact performance and strong anti-ablation capability, this ac contactor serves as a direct replacement for worn or failed switching components, helping old automation systems resume safe power control without cabinet reconstruction.

Basic Parameters

Brand: Modicon

Model: AS-012B-202

Product Type: AC Contactor / Power Switching Unit

Rated Operational Current: 12 A

Rated Operational Voltage: 380 V AC

Rated Motor Power: 3 kW

Coil Voltage: 220 V AC

Coil Power Consumption: 5.4 W

Wire Connection: Screw terminal

Mounting: DIN rail mounting

Product Status: Discontinued legacy spare

Net Weight: Approximately 0.26 kg

Supported Functions

This ac contactor supports remote power closing and tripping triggered by PLC control signals. The power switching unit can repeatedly switch inductive motor loads, isolate power circuits for equipment maintenance, and work with thermal overload relays for motor protection. This legacy switching part also provides auxiliary contact signals to feed back switching status back to the control system for interlock and alarm logic.

Core Functions

As the core power switching unit, this ac contactor establishes and breaks heavy-load power circuits according to automation commands. Its main contacts carry running current for field actuators, while auxiliary contacts deliver real-time switching feedback. This legacy switching part acts as a drop-in replacement to restore automatic power control for ageing Modicon automation racks.

Hardware Specifications & Environmental Features

Operating Temperature: -10°C ~ +60°C

Storage Temperature: -20°C ~ +70°C

Relative Humidity: 5%–95%, non-condensing

Housing: Flame-retardant engineering plastic

Contact Material: Silver alloy for arc resistance

Anti-interference: Suppresses coil surge and contact electric arc

Compatibility: Matches 800 series backplane and compatible peripheral modules

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note: Confirm 800 series backplane compatibility, pulse signal type, counting mode and preset logic before ordering.

This is from our current stock.

available stock.xlsx