The XT4HQ4150EFF000XXX: The 150 A frame and 4-pole design suit it for three-phase plus neutral distribution or motor feeder circuits where the neutral requires overcurrent protection. The EKIPLS/I electronic trip unit provides adjustable LSI (long-time, short-time, instantaneous) curves, giving selectivity headroom downstream without nuisance tripping on motor inrush.
ABB XT4HQ4150EFF000XXX XT4H 250 EKIPLS/I IN150A 4P F FUL/CSA
MPNXT4HQ4150EFF000XXX
ABB XT4H 250 series molded case circuit breaker, order code XT4HQ4150EFF000XXX, 150 A, 4-pole, EKIPLS/I electronic trip unit, FUL/CSA.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Frequently asked questions
Where can I buy XT4HQ4150EFF000XXX and how do I get a price?
The part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
What is XT4HQ4150EFF000XXX's listed description?
The description is XT4H 250 EKIPLS/I IN150A4PFFUL/CSA, indicating a 150 A, 4-pole, EKIPLS/I electronic trip unit, FUL/CSA rated molded case circuit breaker in the XT4H 250 frame.
MPN
XT4HQ4150EFF000XXX