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GE Miniature Circuit Breaker: THHQB, 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC - THQB & THHQB Series, Bolt-On GE Miniature Circuit Breakers
GETHQB & THHQB Series, Bolt-On GE Miniature Circuit Breakers

GE Miniature Circuit Breaker: THHQB, 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC

The GE THHQB2120 is a 2-pole, single-phase miniature circuit breaker from the THQB & THHQB Series, rated at 20 A and 120/240V AC with a 22kA interrupting capacity at 120/240V AC. This bolt-on breaker is designed for…

SKU 3G-OTH-127913

Brand
GE
Item
Miniature Circuit Breaker: THHQB, 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC
Category
THQB & THHQB Series, Bolt-On GE Miniature Circuit Breakers
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Technical Specifications

GE
Manufacturer Part Number
THHQB2120
Type
20 A, Single Phase, 22kA at 120/240V AC
AC
120/240V
Poles
2
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GE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GE THHQB2120 is a 2-pole, single-phase miniature circuit breaker from the THQB & THHQB Series, rated at 20 A and 120/240V AC with a 22kA interrupting capacity at 120/240V AC. This bolt-on breaker is designed for use in lighting panels.

Frequently Asked Questions

What is the GE THHQB2120 miniature circuit breaker used for?

The GE THHQB2120 is a 2-pole, single-phase miniature circuit breaker rated at 20 A and 120/240V AC. It is designed for overcurrent protection in lighting panels and other branch circuits in commercial and industrial electrical distribution systems.

What are the specifications of the GE THHQB2120?

The GE THHQB2120 is a bolt-on miniature circuit breaker from the THQB & THHQB Series. It has a 20 A rating, 120/240V AC voltage, single-phase operation, and a 22kA interrupting capacity at 120/240V AC. It features 2 poles and is intended for use in lighting panels.

Where to buy the GE THHQB2120 worldwide?

3G Electric supplies the GE THHQB2120 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the GE THHQB2120 miniature circuit breaker?

Install the GE THHQB2120 by ensuring the panel is de-energized, then bolt the breaker securely onto the busbar in the lighting panel. Torque terminals to manufacturer specifications and verify the 20 A rating matches the circuit load. Always follow local electrical codes.

Used in

Common applications for GE
Industrial panelboard protection — GE TEY-Frame molded case circuit breakers (e.g., TEY140) for branch circuit protection in manufacturing facilities.
Motor control center maintenance — GE replacement coils (e.g., 15D22G003) for NEMA Size 2 contactors in 300-Line series.
Commercial building electrical distribution — GE THQC series miniature circuit breakers (e.g., THQC2115WL) for unit-mount panelboards.
High-fault-current switchgear — GE FB-Frame molded case circuit breakers (e.g., FBH26TE020R) for 200 kA interrupting capacity at 240V AC.
Water filtration in food service — GE FXSVC carbon filter cartridges for reducing VOCs in under-the-sink drinking water systems.

GE Products

3G Electric supplies GE thqb & thhqb series, bolt-on ge miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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