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Siemens 3VA1450-4EF32-0KG0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1450-4EF32-0KG0 Circuit Breaker, 500A, 36kA @ 415

MPN3VA1450-4EF32-0KG0

Siemens 3VA1 IEC frame 630, 3-pole circuit breaker, breaking capacity class S, Icu=36kA @ 415V, TM240 line protection, In=500A, overload Ir=350-500A, short-circuit Ii=5-10 x In, with shunt trip left 208-277V AC / 220-250V DC and 1 auxiliary switch changeover.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Product details

The Siemens 3VA1450-4EF32-0KG0 is a 3-pole IEC frame 630 circuit breaker with breaking capacity class S, rated Icu=36kA at 415 V AC. It carries a 500 A nominal rating (In) with a TM240 thermal-magnetic trip unit; the overload protection (Ir) is adjustable from 350 A to 500 A, and the short-circuit protection (Ii) is set at 5 to 10 times In. The unit includes a left-side shunt trip rated 208–277 V AC 50/60 Hz and 220–250 V DC, plus one auxiliary switch changeover contact.

This is a panel-mount device designed for DIN-rail or direct-screw installation inside a distribution board or motor control center.

Frequently asked questions

Where can I buy 3VA1450-4EF32-0KG0 and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time.

What is 3VA1450-4EF32-0KG0's listed description?

It is a circuit breaker in the 3VA1 IEC frame 630, breaking capacity class S, Icu=36kA @ 415V, 3-pole, with TM240 line protection, In=500A, overload protection Ir=350A...500A, short-circuit protection Ii=5...10 x In, plus a left-side shunt trip (208-277V AC 50/60 Hz, 220-250V DC) and one auxiliary switch changeover contact.

MPN
3VA1450-4EF32-0KG0