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Siemens 3VA2440-7MN32-0AH0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2440-7MN32-0AH0 Circuit Breaker, 400A, 110kA @ 41

MPN3VA2440-7MN32-0AH0

Siemens 3VA2 IEC frame 630 circuit breaker, 3-pole, breaking capacity class C, Icu=110kA @ 415V, motor protection ETU350M trip unit, LSI, In=400A, overload Ir=160-400A, short-circuit Isd=3-15xIr, Ii=15xIn, with nut keeper kit, 2 auxiliary switches HQ, 1 trip alarm switch HQ.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Product details

Motor Protection Circuit Breaker, 400 A Frame

The Siemens 3VA2440-7MN32-0AH0 is a 3-pole IEC frame 630 circuit breaker in the 3VA2 series, fitted with an ETU350M electronic trip unit for motor protection. The LSI protection profile covers overload (Ir adjustable 160 A to 400 A), short-time short-circuit (Isd 3 to 15 × Ir), and instantaneous (Ii fixed at 15 × In).

Panel Integration and Accessories

The ETU350M is self-powered from the line side; no external control power is required for the trip unit.

Frequently asked questions

What are the key protection settings on this breaker?

The ETU350M LSI trip unit provides overload protection Ir adjustable from 160 A to 400 A, short-circuit protection Isd adjustable from 3 to 15 × Ir, and instantaneous protection Ii fixed at 15 × In (6000 A at In=400 A).

Where can I buy 3VA2440-7MN32-0AH0 and how is it quoted?

This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time.

MPN
3VA2440-7MN32-0AH0