The Siemens 3VA1116-1AA32-0KA0 is a SENTRON 3VA1 switch disconnector in an MCCB-style housing, rated for 160 A continuous at 40 °C through 50 °C, derating to 150 A at 70 °C. It is a 3-pole, non-fused disconnect — no overload or short-circuit protection built in, so it serves as a manual load-break switch or isolator in a distribution panel. The shunt trip release (STL) operates on 220-250 V DC or 208-277 V AC, letting you remotely trip the disconnect via a control signal — useful for emergency-stop chains or remote load shedding. No undervoltage release or auxiliary contacts are fitted on this variant.
Dimensions are 70 mm deep, 76.2 mm wide, 130 mm tall — a standard 3-pole MCCB footprint that drops into SENTRON 3VA1 panelboards and distribution blocks. Main circuit connection is via busbar on front terminals; the supplied nut keeper kit simplifies torqueing on the busbar stack. Front-face protection is IP40 — fine for enclosed panel mounting; keep it behind a door or cover in washdown areas.