Siemens 3VA5220 5EC31 TM230 200AMP TRIP UNIT 3VA5 1000-2000 TRIP AMP GP 220914 Trip Unit

Siemens 3VA5220-5EC31-0AA0 TM230 is a 3‑pole thermal‑magnetic trip unit designed for the 3VA5 molded‑case circuit‑breaker family. It provides overload protection with In = 200 A and short‑circuit protection with Ir = 200 A, with instantaneous protection Ii adjustable from 5 to 10 × In (without connection). Rated for 480 V AC, this TM230 unit is paired with UL frame 250 A class M devices in the 3VA5 lineup, delivering up to 35 kA short‑circuit breaking capacity at 480 V. The component is built for three‑pole protection in industrial distribution panels and switchgear, and is typically used where precise coordination of overload and fault current is required. Part number 3VA5220-5EC31-0AA0 identifies the 200 A TM230 trip unit for the 3VA5 family, compatible with FTAM configurations and designed to mount in the TM230 interface of the 3VA5 breakers. In brief, it is a fixed‑Ir trip unit with adjustable instantaneous protection, suitable for three‑phase protection of machinery and feeders up to 480 V.