The ABB XT4NU31501YJ000XXX is a 3 Pole molded case circuit breaker with a current rating of 150 Amps. It includes long time, short time and instantaneous trip functions.
ABB ReliaGear neXT Power Panels, ReliaGear SB Switchboards, SACE Tmax XT Panelboards
Protection and operation
Trip Technology
Electronic Trip
Trip Function Code
LSI
Trip Function
Long-Time, Short-Time, Instantaneous
Trip Adjustability
Adjustable
Standards and features
Approval
UL, CSA
Product FAQs
6 answers
What is the interrupting capacity (AIC) for the ABB XT4NU31501YJ000XXX?
The N in the XT4N series designates a Normal interrupting capacity. Under UL 489, this breaker is rated for 65 kA at 240V AC, 25 kA at 480V AC, and 18 kA at 600V AC.
What frame size and series does this circuit breaker belong to?
This breaker is part of the ABB SACE Tmax XT series and uses the XT4 frame size. The XT4 frame is a compact molded case circuit breaker designed for industrial panelboards and switchboards.
What type of trip unit is installed on the XT4NU31501YJ000XXX?
This breaker features an electronic Ekip Dip LSI trip unit. The LSI designation means it provides adjustable protection for Long-time (overload), Short-time (short circuit with delay), and Instantaneous (immediate short circuit) faults, allowing for precise selective coordination in your electrical system.
How is the ABB XT4NU31501YJ000XXX mounted in a panel?
This is a fixed-mount molded case circuit breaker. It is designed to be bolted directly to the panel or mounting plate and typically utilizes front terminals for load and line connections.
What safety standards does the XT4NU31501YJ000XXX meet?
This ABB Tmax XT4N breaker is certified to UL 489 and CSA C22.2 standards for molded case circuit breakers, making it suitable for use in North American commercial and industrial power distribution systems.
What do the characters in the XT4NU31501YJ000XXX catalog number represent?
In the ABB nomenclature, XT4 represents the frame size, N indicates a Normal interrupting rating, U specifies UL 489 certification, 3 is for 3 poles, and 150 indicates the 150A rating. The 1YJ segment specifies the electronic Ekip Dip LSI trip unit.
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