Siemens 5ST3022

The Siemens 5ST3022 is a fault signal contact designed to work with various miniature circuit breakers including models 5SL, 5SY, and 5SP RCBO, as well as the 5SU1 FI and 5SV series. This accessory provides two normally closed (NC) contacts, allowing for reliable fault indication in your electrical protection setup. When used with the 5SU1 handle coupler, it requires the 5ST3805-1 coupler for proper installation. Distributed by BSP Automation, this component is a practical solution to enhance the monitoring capabilities of your circuit breakers.
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