Further information for Siemens 5ST3020-2 - fault signal contacts 1 1 circuit breaker testing Quit
FAULT SIGNAL SWITCH 1NO+1NC, FOR MCB WITH TEST AND ACKNOWLEDGE BUTTON Fault signal switch SENTRON 5ST3 as an additional component for residual current protective devices and miniature circuit breakers. These additional components can be mounted universally. They are easy and convenient to install and connect. Thanks to the standard touch protection, safety during installation is reliably guaranteed. Optimum technology for your safety - only from Siemens.