Description
Overview
The Auxiliary Contact Block – 140MT-C-AFA11 provides reliable auxiliary signalling for Siemens 140MT and 140UT circuit breakers. It features 1 NO and 1 NC contact, enabling versatile control and monitoring. Front mounting simplifies installation, ensuring secure attachment to the circuit breaker. This auxiliary contact block delivers precise and dependable operation in industrial automation environments.
Performance & Reliability
This Auxiliary Contact Block ensures accurate signal transmission for control circuits. Its durable construction maintains stability under vibration and temperature fluctuations.
Front mounting guarantees quick integration without requiring additional modifications. Moreover, the 1 NO and 1 NC contacts offer flexible control options, supporting safety interlocks and status monitoring. This design reduces miscommunication between devices and prevents unexpected downtime.
Applications
Perfect for industrial settings, this block integrates with Siemens 140MT motor protection circuit breakers and 140UT circuit breakers. It is ideal for monitoring and controlling motor starters, relays, and auxiliary signalling circuits.
Additionally, engineers can combine it with other auxiliary modules to extend control logic and simplify maintenance. Its compact size ensures compatibility within crowded control panels, making it efficient for complex systems.
Conclusion
The Auxiliary Contact Block – 140MT-C-AFA11 provides dependable auxiliary signalling, precise operation, and easy installation for industrial control applications.
As your trusted industrial spare partner, Noordvyk stocks this auxiliary contact block and a broad range of Siemens control components. Our expertise and prompt sourcing make us the reliable choice for all your automation needs.





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