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ABB / General Electric THQD32150 Molded Case Circuit Breaker

  • 150A
  • 3 Pole
  • Unit Mount
ABB / General Electric THQD32150
Molded Case Circuit Breaker
Brand ABB / General Electric
SKU THQD32150
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  • 150A
  • 3 Pole
  • Unit Mount

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General Electric THQD32150 3 Pole Circuit Breaker

ABB / General Electric THQD32150 - 150A 3 Pole Molded Case Circuit Breaker

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$1,599.00 In Stock

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Description

Providing 150 amps of continuous current capacity, the GE THQD32150 is a 3-pole molded case circuit breaker from the Q-Line family. It utilizes a fixed thermal-magnetic trip unit to deliver essential LI protection for commercial electrical systems. This unit mount breaker is engineered to fit GE A-Series and Spectra Series panelboards, as well as individual enclosures. The device comes equipped with load-side lugs and features a quick-make, quick-break mechanism for enhanced safety.

Specifications

Key specifications
Brand ABB / General Electric
Part Number THQD32150
Series THQD
Amperage 150A
Poles 3
Mounting Style Unit Mount
Voltage 120VAC, 240VAC, 120/240VAC
Phase 3
AIC Rating 22kA @ 120VAC, 22kA @ 240VAC, 22kA @ 120/240VAC
Fit and installation
Terminal Type Lugs
For Use With GE A-Series Panelboards, GE Spectra Series Panelboards, Enclosures
Wire Gauge 4 AWG - 300 kcmil (Cu/Al)
Max Wire 300 kcmil
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment
Accessories Load Side Lugs (TCAL25)
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, HACR, UL
Temp Rating 40C
Construction Features HACR Rated, Common Trip, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, High Interrupting Capacity

Product FAQs

6 answers
Which panelboards are compatible with this 150A circuit breaker?

This 3-pole breaker is designed for unit mounting in GE A-Series panelboards, GE Spectra Series panelboards, and compatible standalone enclosures.

Does this breaker plug in or bolt on to the panelboard bus?

The THQD32150 uses a bolt-on connection for secure unit mounting. It also comes equipped with mechanical lugs for line and load wire termination.

What size wire is required for the integrated lugs?

The included lugs accept both copper and aluminum conductors ranging from 4 AWG to 300 kcmil. Conductors must be sized according to the 150A rating and applicable NEC temperature limitations.

Are there lower interrupting capacity alternatives to the THQD32150?

Yes, if your system only requires a 10kAIC rating at 240V, the standard GE TQD32150 is the direct lower-tier equivalent to this high-interrupting model.

Is this the correct replacement for an older General Electric THQD32150?

Yes, following ABB's acquisition of GE Industrial Solutions, this ABB / General Electric unit is the exact direct replacement for legacy GE THQD32150 circuit breakers.

Does this breaker provide Ground Fault (GFCI) or Arc Fault (AFCI) protection?

No, this unit features standard thermal-magnetic trip functionality for long-time overloads and instantaneous short circuits. It does not contain built-in ground fault or arc fault circuitry.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 9 reviews
Total 5 star reviews: 9 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
9 reviews
  • JR
    Jeffrey R.
    Verified Buyer
    Reviewing
    ABB / General Electric THQD32200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/29/26
    200A 3 Pole breaker

    Breaker was in good shape and in good working order.

  • AP
    Alex P.
    Verified Buyer
    Reviewing
    ABB / General Electric THQD32200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/4/26
    Great Service

    Provided exactly what I needed

  • RD
    Rob D.
    Verified Buyer
    Reviewing
    ABB / General Electric THQD32225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/10/26
    Happy Customer

    Sean assisted us on this difficult order, and got it all correct. The price was good and the order received within 5 days on a tricky order! Thank you, Sean!

  • RG
    Ronald G.
    Verified Buyer
    Reviewing
    ABB / General Electric THQD32225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/18/25
    Breaker purchase

    The breaker I purchased was in great condition, delivered quickly. This kind of service allows me to make people happy. That’s the goal!

  • GM
    Gloria M.
    Flag of United States
    Reviewing
    ABB / General Electric THQD32150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/29/23
    Exactly what I needed and

    Exactly what I needed and showed up quick