Fault signal contact with test button, 2NC for 5SL, 5SY, 5SP, 5SU1, 5SV

Fault signal contact with test and acknowledgment key 2 NC for miniature circuit breaker 5SL, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required) ers. We provide the right device for every requirement. Key features of the Siemens accessories for residual current and miniature circuit breakers: 1. Can be universally retrofitted with all additional components 2. User-friendly and easy installation and connection technology. 3. Reliable safety during installation with standard touch protection. 4. Optimized technology for your safety – only from Siemens.