What this 3VA1 MCCB carries
The Siemens 3VA1110-5MH32-0JH0 is a 3-pole IEC frame 160 molded case circuit breaker rated 100 A continuous, with a 55 kA interrupting capacity at 415 V AC — breaking capacity class M per the 3VA1 series. The TM120M thermal-magnetic release provides starter protection (motor branch-circuit) with short-circuit pickup adjustable 5 to 15 times In. This variant ships without overload protection (the TM release handles the magnetic-only function), plus a shunt trip (STL) coil rated 110–127 V DC/AC 50/60 Hz, two HQ auxiliary switches, and one HQ trip alarm switch. A nut keeper kit is included for the panel-mounting hardware.
What the ratings mean for fit
The 55 kA Icu at 415 V AC places this breaker in the M (medium) breaking capacity class — sufficient for most industrial motor branch circuits and distribution panels where the prospective fault current stays under that threshold. The shunt trip at 110–127 V DC/AC allows remote tripping from a safety circuit or E-stop string; verify the control voltage matches your panel's auxiliary supply. Two HQ auxiliary switches and one HQ trip alarm switch give status feedback for PLC or SCADA inputs without adding external relays.
