What this MCCB is and where it lands
The Siemens 3VA1032-3ED32-0HA0 is a SENTRON molded case circuit breaker (MCCB) for line protection — three poles, 32 A rated continuous current (Iu), with a TM210 thermal-magnetic overcurrent release.
What the key ratings mean for fit
The 32 A rating holds flat from 40 °C through 50 °C — no derating needed in a standard 40 °C panel. At 55 °C it drops to 30.72 A, and at 70 °C to 28.8 A. If your enclosure runs hot, the full thermal curve is on record. The 800 V rated insulation voltage (Ui) covers 480 V and 600 V class systems with margin. Breaking capacity at 690 V is 7.5 kA — that's the limit for 690 V line-to-line faults; for DC networks the manual (3VA device manual) gives the derating.
Panel integration notes
The 3VA1032-3ED32-0HA0 measures 130 mm high × 76.2 mm wide × 70 mm deep. Three-pole block, no auxiliary contact stack. The shunt trip (STL) is factory-fitted — verify control voltage compatibility with your trip circuit. No communication module, no phase-failure detection; this is a straight line-protection breaker. Latching endurance is rated at 15 000 operations — adequate for infrequent switching, not for daily motor-start duty.