SENTRON 3VA2220-7MS32-0BH0 — 200 A MCCB with undervoltage release
The Siemens SENTRON 3VA2220-7MS32-0BH0 is a 3-pole molded case circuit breaker (MCCB) rated for 200 A continuous at 40 °C through 70 °C — no derating across that band, which simplifies panel thermal budgeting. Its interrupting capacity reaches 330 kA at 240 VAC and holds 242 kA at 415/440 VAC, then drops to 187 kA at 500 VAC and 5.2 kA at 690 VAC. That SCCR profile suits main or feeder duty in 480 V industrial distribution where fault current runs high. This unit includes an undervoltage release (UVR) and ships with a factory-fitted auxiliary switch block: 2 auxiliary switches plus 1 trip alarm switch (HQ design). The base switch is order code 3VA2220-7MS32-0AA0. Built-in trip indicator and starter-protection design make it a fit for motor branch circuits where undervoltage drop-out is required by code or safety logic.
Physical fit and integration
Dimensions: 181 mm height, 105 mm width, 86 mm depth. The 3-pole frame occupies standard MCCB panel space; the 105 mm width matches the SENTRON 3VA2 three-pole footprint. Maximum power loss is 46 W — account for that in enclosed panel thermal calculations. Operating temperature range is -25 °C to +70 °C; storage range -40 °C to +80 °C.
Selectivity and coordination note
With 330 kA interrupting capacity at 240 V and 242 kA at 415 V, this breaker provides headroom for high-fault installations. The 200 A continuous rating holds flat across the full 40–70 °C ambient range — no thermal derating curve to manage in warm enclosures. For selective coordination studies, the trip indicator aids fault localization during commissioning and troubleshooting.