We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
GE Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA 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: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The GE THQB2120 is a single-pole, bolt-on miniature circuit breaker from the THQB & THHQB Series, rated at 20 A and 120/240V AC with a 10kA interrupting capacity at 120/240V AC. Designed for use in load centers, this…

SKU 3G-OTH-127884

Also listed as: THQB 2120 · THQB-2120

Brand
GE
Item
Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
THQB & THHQB Series, Bolt-On GE Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GE
Manufacturer Part Number
THQB2120
Type
20 A, Single Phase, 10kA at 120/240V AC, Std
AC
120/240V

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GE THQB2120 is a single-pole, bolt-on miniature circuit breaker from the THQB & THHQB Series, rated at 20 A and 120/240V AC with a 10kA interrupting capacity at 120/240V AC. Designed for use in load centers, this GE-branded breaker provides overcurrent protection in a compact, bolt-on form factor.

Frequently Asked Questions

What is the GE THQB2120 miniature circuit breaker used for?

The GE THQB2120 is a single-pole, bolt-on miniature circuit breaker used for overcurrent protection in residential and commercial load centers. It safeguards branch circuits rated at 20 A and 120/240V AC, with a 10kA interrupting capacity at 120/240V AC.

What are the specifications of the GE THQB2120?

The GE THQB2120 is rated at 20 A, 120/240V AC, single phase, with a 10kA interrupting capacity at 120/240V AC. It is a bolt-on miniature circuit breaker from the THQB & THHQB Series, designed for use in GE load centers.

Where to buy the GE THQB2120 worldwide?

You can source the GE THQB2120 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the GE THQB2120 miniature circuit breaker?

To install the GE THQB2120, ensure the panel is de-energized. Align the breaker's bolt-on tabs with the load center bus bar, tighten the mounting screw to the specified torque, and connect the circuit wire to the terminal. Follow NEC guidelines and consult a licensed electrician.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
GE Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN THQB2120HID)
GE
GE Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN THQB2120HID)
GE Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1120)
GE
GE Miniature Circuit Breaker: THQB, 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1120)
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2140)
GE
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2140)
GE Miniature Circuit Breaker: THQB, 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2125)
GE
GE Miniature Circuit Breaker: THQB, 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2125)
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1140)
GE
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1140)
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, Std (MPN THQB32040)
GE
GE Miniature Circuit Breaker: THQB, 40 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, Std (MPN THQB32040)

More from GE

View all GE parts →
GE Miniature Circuit Breaker: THHQB, 60 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN THHQB2160)
GE
GE Miniature Circuit Breaker: THHQB, 60 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN THHQB2160)
GE Miniature Circuit Breaker: THQB, 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1115)
GE
GE Miniature Circuit Breaker: THQB, 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1115)
GE Miniature Circuit Breaker: THQB, 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2150)
GE
GE Miniature Circuit Breaker: THQB, 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2150)
GE Miniature Circuit Breaker: THQB, 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, Std (MPN THQB32050)
GE
GE Miniature Circuit Breaker: THQB, 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, Std (MPN THQB32050)
GE Miniature Circuit Breaker: THHQB, 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 1 Poles (MPN THHQB1120)
GE
GE Miniature Circuit Breaker: THHQB, 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 1 Poles (MPN THHQB1120)
GE Miniature Circuit Breaker: THQB, 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2180)
GE
GE Miniature Circuit Breaker: THQB, 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2180)
GE Miniature Circuit Breaker: THQB, 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1125)
GE
GE Miniature Circuit Breaker: THQB, 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB1125)
GE Miniature Circuit Breaker: THQB, 60 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2160)
GE
GE Miniature Circuit Breaker: THQB, 60 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, Std (MPN THQB2160)