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ABB / General Electric TJJ426400WL Molded Case Circuit Breaker

  • 400A
  • 2 Pole
  • Unit Mount
ABB / General Electric TJJ426400WL
Molded Case Circuit Breaker
Brand ABB / General Electric
SKU TJJ426400WL
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  • 400A
  • 2 Pole
  • Unit Mount

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ABB / General Electric TJJ426400WL - 400A 2 Pole Molded Case Circuit Breaker

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$1,680.00 Check Stock

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Description

Built for commercial power distribution, the GE TJJ426400WL is a 2-pole, 400A molded case circuit breaker. It utilizes a thermal-magnetic trip unit, delivering reliable long-time and adjustable instantaneous protection for demanding systems. This J-Frame breaker mounts into GE Spectra switchboards, J-Frame enclosures, and motor control centers. It features a reverse-feed capable design. Delivering a 42kAIC rating at 240V, it comes complete with factory-installed TCAL43 lugs.

Specifications

Key specifications
Brand ABB / General Electric
Part Number TJJ426400WL
Series TJJ
Amperage 400A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Frame Type TJJ
Terminal Type Lugs
For Use With GE J-Frame Enclosures, GE Spectra Switchboards, GE Motor Control Centers
Wire Gauge (1) 6 AWG-600 kcmil or (2) 2/0 AWG-250 kcmil (Cu/Al)
Max Wire 600 kcmil
Min Wire 6 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment
Accessories Line and Load Lugs Included (TCAL43)
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, HACR, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip, 2-Pole in 3-Pole Housing

Product FAQs

6 answers
What types of enclosures and panels are compatible with the TJJ426400WL?

This 400A J-Frame breaker is designed for use in GE J-Frame enclosures, GE Spectra switchboards, and GE motor control centers.

What wire sizes do the factory lugs on this breaker accept?

The included lugs accept either one 6 AWG to 600 kcmil conductor or two 2/0 AWG to 250 kcmil conductors per phase. They are rated for both copper and aluminum wiring.

What does the WL suffix in the TJJ426400WL catalog number indicate?

The WL suffix stands for Wire Lugs. It indicates that the circuit breaker ships with factory-installed line and load lugs.

Is the trip unit on the TJJ426400WL fully adjustable?

No, this thermal-magnetic breaker features a fixed thermal element for overload protection and an adjustable magnetic element for short-circuit protection.

Can this 400A GE breaker be used in direct current (DC) systems?

Yes, the TJJ426400WL is rated for DC applications, providing an interrupting capacity of 20kA at 250VDC.

Does this breaker require a separate mounting base for installation?

No, this is a unit-mount circuit breaker, meaning it bolts directly to the mounting surface or panel chassis without requiring a separate plug-in base.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
1 review
  • MW
    Michael W.
    Verified Buyer
    Reviewing
    ABB / General Electric TJJ436300WL - 300A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/28/25
    TJJ436300WL 3 Pole Circuit Breaker

    Great fast shipping on many orders we have placed with Super Breakers, a very good reliable disturber for our business.