Products Description
Allen-Bradley 140A-C-ASA11A Side Mounted Auxiliary Contact
Allen-Bradley 140A-C-ASA11A is a left side mounted auxiliary contact accessory for 140A series manual motor starters. It comes with 1 normally open and 1 normally closed contact set, used to feed back the on/off status of motor starter to PLC or control circuit.

This compact contact block only adds 9mm width to the motor starter after installation. It is widely used for motor interlock control, status indication and alarm feedback in industrial control cabinets, supplied as spare replacement parts for automation system maintenance.
Main Specifications
- Brand: Allen-Bradley (Rockwell Automation); Model:140A-C-ASA11A; Type: Side Mount Auxiliary Contact
- Contact configuration:1NO +1NC; Contact rating:2A @230VAC
- Mounting: Left side mounting; Extra width after installation:9mm
- Compatible device:140A series manual motor starters (0.1~16A)
- Operating Temp: -25℃ ~ +60℃; Protection:IP20 after proper wiring
- Bus bar requirement:54mm spacing for compact busbar application
- Supply Status: Industrial spare accessory for motor control cabinet maintenance
Core Functions
- Transmit the contact status signal of manual motor starter to upper control system.
- Realize electrical interlock between multiple motor circuits via NO/NC contacts.
- Provide running/trip status signal for local indicator lights and remote alarm system.
- Side clip-on installation, fast assembly without modifying the original starter structure.
- Low power control circuit application, reliable switching for signal feedback loop.
- Compact structure, save cabinet space for dense motor control panel layout.
Application Scenarios
- Motor control center (MCC) cabinet and industrial automation control panels.
- Status feedback and interlock circuit for 140A manual motor protectors.
- Conveyor, pump and fan motor control in chemical, water and manufacturing plants.
- Replacement of damaged auxiliary contacts for existing Allen-Bradley motor starters.
- Spare parts inventory for factory electrical maintenance teams.
- Retrofit and upgrade of legacy motor control and protection systems.
FAQ
- Q: What is Allen-Bradley 140A-C-ASA11A used for?
A: It is side-mounted auxiliary contact for 140A manual motor starter, providing 1NO+1NC contacts for equipment status feedback and electrical interlock. - Q: Where to mount this auxiliary contact?
A: It is clipped onto the left side of 140A series manual motor starter, adding 9mm thickness. - Q: What is the contact rating?
A: Rated 2A at 230VAC, only suitable for low power signal & control circuits, not main power circuit.

Tags: Allen-Bradley 140A-C-ASA11A Side Mounted Auxiliary Contact
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