Four-pole construction means it switches all three phases plus the neutral — typical for IT or TN-S systems where neutral protection is required, or for generator / UPS feeds where full isolation matters.
ABB XT1NU4125AAA000XXX XT1N 125 TMF, 4-Pole MCCB
MPNXT1NU4125AAA000XXX
ABB XT1N series, XT1NU4125AAA000XXX, 4-pole molded case circuit breaker, 125 A frame, TMF trip unit.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Poles | 4 |
Product details
Frequently asked questions
How do I get current pricing and availability for XT1NU4125AAA000XXX?
Pricing and availability are confirmed at quote time. Submit an RFQ through the storefront; the part is sourced to order through independent distribution.
What is XT1NU4125AAA000XXX's listed poles (4) on this component line?
The part carries 4 poles, switching all three phases and the neutral conductor.
MPN
XT1NU4125AAA000XXX