The XT5NU340AFFN000XXX: The description string 'XT5N 400 EKIP DIP LSI IN400 3P FF UL/CSA' breaks down as: XT5N frame size, 400 A rated current, Ekip DIP LSI trip unit (electronic, with LSI protection curves — long-time, short-time, instantaneous), IN400 rating, 3-pole, fixed front terminals, UL and CSA listed. The 'DIP' refers to the dip-switch configurable trip unit, which allows field adjustment of protection settings without a separate programming tool.
ABB XT5NU340AFFN000XXX XT5N 400A MCCB, Ekip DIP LSI, 3P FF U
MPNXT5NU340AFFN000XXX
ABB XT5N series, XT5NU340AFFN000XXX, 400 A molded case circuit breaker, Ekip DIP LSI electronic trip unit, 3-pole, fixed front terminals, UL/CSA certified.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
What does the description XT5N 400 EKIP DIP LSI IN400 3P FF UL/CSA mean?
It describes a 400 A XT5N frame molded case circuit breaker with an Ekip DIP LSI electronic trip unit, 3-pole, fixed front terminals, and UL/CSA certification. The DIP indicates dip-switch configurable protection settings.
Where can I buy XT5NU340AFFN000XXX?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
XT5NU340AFFN000XXX
