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ABB XT4NU3100FYJ000XXX Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Unit Mount
ABB XT4NU3100FYJ000XXX
Molded Case Circuit Breaker
Brand ABB
SKU XT4NU3100FYJ000XXX
Select Item Condition
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  • 100A
  • 3 Pole
  • Unit Mount

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ABB XT4NU3100FYJ000XXX - 100A 3 Pole Molded Case Circuit Breaker

ABB XT4NU3100FYJ000XXX - 100A 3 Pole Molded Case Circuit Breaker

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$1,972.00 In Stock

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Description

Built for commercial and industrial power distribution, the XT4NU3100FYJ000XXX operates as a 100A, 3-pole molded case circuit breaker from ABB. It mounts into ReliaGear neXT panelboards and ReliaGear SB switchboards, providing an exact drop-in replacement for older T4N100TW models. Delivering a 25kAIC interrupting rating at 480VAC, this breaker stands out with its Ekip Dip LSI electronic trip unit. The adjustable functions ensure superior system coordination compared to thermal-magnetic options.

Specifications

Key specifications
Brand ABB
Series XT4
Amperage 100A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC
Electrical ratings
Amperage Range 40-100A
Fit and installation
Terminal Type Lugs
For Use With ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards
Wire Gauge 4 AWG - 300 kcmil (Cu/Al)
Max Wire 300 kcmil
Min Wire 4 AWG
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LSI
Trip Function Long-Time, Short-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle
Accessories Line and Load Lugs Included, Mounting Hardware
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CCC, CSA, cULus, IEC, KEMA, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Reverse Feed

Product FAQs

7 answers
Which panelboards and switchboards are compatible with the XT4NU3100FYJ000XXX?

This breaker is designed to mount directly into ABB ReliaGear neXT power panelboards and ReliaGear SB switchboards.

What does the N in the XT4NU3100FYJ000XXX part number signify?

The N designates ABB's Normal interrupting capacity tier for the XT4 frame, which provides maximum fault protection of 65kA at 240VAC, 25kA at 480VAC, and 18kA at 600VAC.

What are the benefits of the LSI electronic trip unit on this breaker?

The Ekip Dip LSI (Long-Time, Short-Time, Instantaneous) trip unit allows for precise, adjustable protection settings. This enables better system coordination and fault isolation compared to standard fixed thermal-magnetic trip units.

Can the XT4NU3100FYJ000XXX replace older GE circuit breakers?

Yes, this ABB XT4 breaker serves as a direct drop-in replacement for legacy GE T4N100TW models in commercial and industrial power distribution systems.

Can the XT4NU3100FYJ000XXX be reverse fed?

Yes, this breaker is reverse feed capable, meaning line power can be connected to either the top or bottom terminals without affecting its protective functions.

Are lugs included with the XT4NU3100FYJ000XXX?

Yes, this unit mount breaker comes standard with line and load lugs, as well as the necessary mounting hardware for installation.

Is this breaker suitable for HVAC equipment?

Yes, the XT4NU3100FYJ000XXX is HACR rated, making it fully certified for safe use with heating, air conditioning, and refrigeration equipment.

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