The Siemens 3VA1112-3EF42-0AA0-ZD00 is a 4-pole IEC frame 160 molded case circuit breaker rated 125 A continuous, with a 25 kA Icu breaking capacity at 415 V (class N). The TM240 thermal-magnetic trip unit gives adjustable overload protection from 88 A to 125 A and short-circuit pickup adjustable 5 to 10 times In. The N conductor is unprotected — confirm the system grounding scheme before wiring.

Siemens 3VA1112-3EF42-0AA0-ZD00 125A MCCB, 25kA @ 415V
MPN3VA1112-3EF42-0AA0-ZD00
Siemens 3VA1 IEC frame 160, breaking capacity class N, 4-pole, line protection TM240, ATAM, In=125A, overload protection Ir=88A...125A, short-circuit protection Ii=5...10 x In, N conductor unprotected, nut keeper kit for DC Power OEM in China.
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MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jul 2026
Product details
Frequently asked questions
What are the key ratings of 3VA1112-3EF42-0AA0-ZD00?
It is a 4-pole IEC frame 160 MCCB rated 125 A continuous with a 25 kA Icu at 415 V. Overload protection adjusts from 88 A to 125 A; short-circuit pickup adjusts 5 to 10 times In.
Where can I buy 3VA1112-3EF42-0AA0-ZD00?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
3VA1112-3EF42-0AA0-ZD00