SENTRON 3VA2116-5KP32-0AF0 — 160 A MCCB with Communication
The Siemens SENTRON 3VA2116-5KP32-0AF0 is a 3-pole molded case circuit breaker (MCCB) rated for 160 A continuous current, designed for line protection in distribution panels. It carries a breaking capacity of 187 kA at 240 V and 121 kA at 415 V, which means it can safely interrupt fault currents up to those levels without cascading upstream — critical for high-fault installations like transformer secondaries or large motor control centers. The unit includes an integrated communication function and comes with one auxiliary switch plus one trip alarm switch HQ, giving the panel builder remote status feedback without adding separate modules.
Breaking Capacity Across Voltages
This breaker's interrupting rating drops as system voltage rises: 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. The steep fall at 690 V means it's not a primary choice for 690 V distribution unless the available fault current is well below 3.7 kA. At 400/415 V — the common industrial voltage in Europe and much of Asia — the 121 kA rating covers virtually all standard panelboard applications.
Panel Fit and Integration
Dimensions are 181 mm high, 105 mm wide, 86 mm deep — a standard footprint for SENTRON 3VA2 frame sizes. The 105 mm width (4.13 in) matches the typical 3-pole MCCB cutout; the 86 mm depth (3.39 in) leaves clearance for rear-connected busbars or cable lugs. Mounts directly onto DIN rail or panel-mount plate with the supplied hardware. The communication function uses the breaker's internal bus interface — no external gateway needed for basic status reporting.
Environmental and Electrical Ratings
Rated insulation voltage is 800 V. Continuous current holds at 160 A across the full ambient range from 40 °C to 70 °C (–) — no derating needed up to that ceiling. Operating temperature spans -25 °C to +70 °C; storage range is -40 °C to +80 °C. Maximum power loss is 25.5 W. The undervoltage release is not fitted; ground-fault monitoring is not included.