3VA1132-5EF32-0AB0 — 32 A MCCB with 187 kA interrupting capacity
Its interrupting capacity hits 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 690 V — so at typical 400 V distribution levels it clears fault currents up to 121 kA without cascading upstream. The overcurrent release is a TM240 thermal-magnetic type, adjustable response time tr max. 1 s, and the auxiliary contact version is 2 auxiliary switches HP.
The 32 A continuous rating holds flat from 40 °C through 50 °C, then derates to 30.72 A at 55 °C, 30.08 A at 60 °C, 29.44 A at 65 °C, and 28.8 A at 70 °C — so in a warm enclosure near the top of the operating range (−25 °C to 70 °C), you lose roughly 10 % of the ampacity.
