Overview
The Allen-Bradley 140M-C-ASA11 /A is a side-mounted auxiliary contact block designed for integration with Rockwell Automation’s 140M motor protection circuit breakers. This compact accessory extends the functionality of 140M-C, -D, and -F frame breakers by providing monitored contact signals in industrial automation and machine control systems.
Key Features
- 1 normally open (NO) and 1 normally closed (NC) contact configuration for dual-state monitoring
- Right-side mounted design for standard 140M breaker installation
- Screw terminal connection for secure field wiring
- Compact 75 mm depth profile integrates seamlessly into control panels
- Rated for 3 A at 230 VAC per IEC 60947-5-6
- Multiple certifications: CUL, CE, CSA, UL for global deployment
Technical Specifications
- Contact Configuration: 1 NO + 1 NC
- Contact Rating: 3 A @ 230 VAC
- Terminal Type: Screw
- Mounting: Side-mounted (right-hand)
- Depth: 75 mm
- Width: 9 mm
- Weight: 0.09 lb (41 g)
- Certifications: CCC, CE, CSA, CUL, UL
- UPC: 662468966825
Typical Applications
- Motor starter interlock and status signaling on 140M circuit breakers
- Remote monitoring of breaker state in multi-pump or conveyor systems
- Dual feedback signals for PLC input modules in discrete automation
- Trip indication and alarm logic in industrial control cabinets
- Safety interlocks requiring monitored open/close states
Compatibility & Replacements
Compatible With
- Rockwell Automation 140M-C motor protection breakers
- 140M-D frame circuit breakers
- 140M-F frame motor circuit protectors
- Standard industrial PLCs and discrete I/O modules
- 24 VDC, 120 VAC, and 230 VAC control circuits
Replaces / Drop-In Replacement For
- Serves as in-service replacement for existing 140M-C-ASA11 units
- Note: This part was discontinued by Rockwell Automation effective March 31, 2024. Engineering replacement is 140MT-C-ASA11 for new installations.
Works With
- Rockwell Automation Studio 5000 / RSLogix 5000 I/O configuration
- CompactLogix and MicroLogix discrete input modules
- Siemens S7-300/400 PLC digital input cards
- Standard 24 VDC and AC control relay logic circuits
- EtherNet/IP-enabled safety and automation systems










