What this breaker is and where it fits
The Siemens 3VA1112-3GD42-0AA0-ZD00 is a 4-pole IEC frame 160 circuit breaker with breaking capacity class N, rated Icu=25kA at 415 V. It provides line protection via a TM210 thermal-magnetic trip unit with fixed overload protection set at Ir=125 A and fixed short-circuit protection at Ii=10 x In. The N conductor is protected at 100%, and the unit includes a nut keeper kit for DC Power OEM applications in China.
