The Siemens 3VA2116-5KP32-0AG0 is a SENTRON molded case circuit breaker (MCCB) rated for 160 A continuous current, built around the ETU850 electronic trip unit. Three-pole construction with line protection firmware — no undervoltage release or ground-fault module on this variant, but it ships with 1 auxiliary switch plus 1 trip alarm switch (HP type) for status feedback to a PLC or annunciator.
Breaking capacity across voltages
This MCCB delivers 187 kA at 240 V, 121 kA at 415 V and 440 V, 79 kA at 500 V, and 4.25 kA at 690 V. That spread covers most industrial distribution panels — the 415/440 V figures are the ones that matter for European and Asian 400 V class systems. At 690 V the rating drops sharply, so verify the fault current at your service voltage before specifying.
Thermal derating and power budget
Rated 160 A from 40 °C through 50 °C ambient; above that it derates linearly to 136 A at 70 °C. Maximum power loss is 25.5 W — relevant for enclosure heat calculations if the panel is densely packed. Operating range -25 °C to 70 °C, storage -40 °C to 80 °C.
Communication and trip unit
The ETU850 trip unit supports communication functions and other measurement functions. The base switch is 3VA2116-5KP32-0AA0; the -0AG0 suffix adds the communication-ready trip unit. Front IP40 protection.