What this 3VA1 MCCB carries
The Siemens 3VA1132-3EF32-0KC0 is a 3-pole IEC frame 160 molded case circuit breaker from the SENTRON 3VA1 series, with a breaking capacity class N rated at 25 kA at 415 V AC. The TM240 thermal-magnetic trip unit is set for a rated current In of 32 A, with adjustable overload protection Ir from 22 A to 32 A and short-circuit protection Ii adjustable from 5 to 10 times In. It includes a shunt trip (STL) rated for 220-250 V DC or 208-277 V AC, plus two HQ auxiliary switches and a nut keeper kit for secure mounting.
Deployment context
The nut keeper kit ensures the breaker stays secured under vibration common in industrial panels.