Overview
The Allen-Bradley 140-L11 commoning link is a passive electrical component used to connect common terminal points across multiple motor starters in a single control panel. This 12-way busbar connector is rated for 65A continuous current at 600V AC in three-phase applications. Series C construction ensures compatibility with standard 140-M series contactors and motor starters, making it a reliable choice for retrofit and maintenance applications in industrial automation environments.
Key Features
- 12-way busbar design for connecting up to 12 starter terminals
- 65A continuous current capacity
- 600V AC rated for three-phase power distribution
- Series C construction for compatibility with 140-M contactors
- Copper busbar provides excellent conductivity and minimal voltage drop
- Compact DIN-rail or direct-mount installation
Technical Specifications
| Part Number | 140-L11 |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Series | Series C |
| Voltage Rating | 600V AC |
| Current Rating | 65A continuous |
| Phase | 3-phase |
| Terminals | 12-way |
| Material | Copper busbar |
| Application Type | Commoning terminal link |
| Condition | Used |
Typical Applications
- Multi-motor control panels with multiple starters requiring common terminal connections
- Control circuits where all motor starters share a common neutral or ground point
- Replacement in existing 140-M series contactor assemblies
- Industrial electrical distribution systems rated up to 600V
- Maintenance and retrofit projects in manufacturing and process facilities
Compatibility & Replacements
The 140-L11 is designed specifically for the Allen-Bradley 140-M series motor starters and contactors. Other commoning link options in the 140 family include the 140-L1 (5-starter version) and 140-L13 (alternative terminal link configuration). When sourcing replacement units, verify Series designation and terminal configuration to ensure proper fit and electrical performance. This lot of 19 units provides stock for future maintenance needs or panel expansion in facilities running multiple 140-M starters.
