The Siemens 3RV1901-1E is an auxiliary contact block designed for use with Siemens motor protection circuit breakers. It provides reliable status signaling with 1 NO + 1 NC (1S+1Ö) contacts and is suitable for industrial control applications.
This module mounts quickly on the front of compatible breakers and delivers long-lasting electrical and mechanical durability. Ideal for automation systems, machinery, and control panels.
Applications
- Industrial automation
- Motor control centers
- Conveyor systems
- HVAC units
- General machine building
