The Siemens 3VA1450-5EF42-0AA0-ZD00 is a 4-pole IEC frame 630 molded-case circuit breaker with a breaking capacity class M rating of 55 kA at 415 V. It is configured for line protection with a TM240 ATAM trip unit, rated at In = 500 A, with adjustable overload protection Ir from 350 A to 500 A and short-circuit protection Ii set at 5 to 10 times In. The neutral conductor is unprotected, and the unit includes a nut keeper kit; it is specified for DC Power OEM applications in China.
Siemens 3VA1450-5EF42-0AA0-ZD00 Circuit Breaker, 55kA @ 415V
MPN3VA1450-5EF42-0AA0-ZD00
Siemens 3VA1 IEC frame 630, breaking capacity class M, Icu=55kA @ 415V, 4-pole, line protection TM240 ATAM, In=500A, overload Ir=350A...500A, short-circuit Ii=5...10 x In, N conductor unprotected, nut keeper kit for DC Power OEM in China.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
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Frequently asked questions
Where can I buy 3VA1450-5EF42-0AA0-ZD00?
This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.
What are the key ratings of 3VA1450-5EF42-0AA0-ZD00?
It is a 4-pole IEC frame 630 breaker with a breaking capacity of 55 kA at 415 V, rated current In = 500 A, adjustable overload Ir = 350 A to 500 A, and short-circuit protection Ii = 5 to 10 times In.
MPN
3VA1450-5EF42-0AA0-ZD00