The Siemens 3VA2116-5HN32-0BH0 is a SENTRON 3VA2 molded case circuit breaker (MCCB) rated for 160 A continuous current across its full ambient temperature range from 40 °C to 70 °C, meaning no derating is needed for standard panel environments up to 70 °C. Its 187 kA breaking capacity at 240 V AC handles high-fault utility feeds and transformer secondaries without cascading upstream — the interrupting rating is the one that decides whether this breaker clears a bolted fault or the main breaker upstream has to trip. The 3-pole design with line-protection characteristic suits it for feeder and distribution circuits in industrial switchboards and panelboards.
Breaking capacity across voltage levels
The interrupting rating drops with system voltage as expected for an MCCB: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. At 690 V the rating is low enough that a downstream fault on a 690 V drive bus would likely require a current-limiting fuse ahead of this breaker — the 3.7 kA figure governs that decision.
Integrated auxiliary and undervoltage release
This variant ships with an undervoltage release (UVR) built in plus two auxiliary switches and one trip alarm switch (HQ) pre-installed. The UVR trips the breaker when control voltage drops below its dropout threshold — common in safety circuits that need to guarantee isolation on loss of control power. The auxiliary switches provide remote status feedback for the panel PLC or SCADA. No communication module is fitted, so this is a hardwired-only unit.
Dimensions and panel fit
At 105 mm wide, 181 mm tall, and 86 mm deep, the 3VA2116-5HN32-0BH0 occupies the standard 3-pole MCCB footprint for the SENTRON 3VA2 frame. The 105 mm width is the critical dimension for multi-breaker lineup spacing on a DIN rail or panel-mount plate — verify the gland-plate cutout matches before committing the BOM line.