UsedAutomations — TESTED SURPLUS & OBSOLETE CONTROLS

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GE

THQB1120GF

THQB1120GF GFCI Circuit Breaker, 1‑Pole, 20A, 120V, Bolt‑On

GE

From $169.86In stock

Product Description

The THQB1120GF is a 1‑pole, 20A ground‑fault circuit interrupter designed for bolt‑on installation in compatible GE panels. Rated for 120V circuits, it provides Class A GFCI protection integrated with thermal‑magnetic overcurrent trip, supporting long‑time and instantaneous functions. With a 10kAIC interrupting rating at 120V, it’s suitable for residential and light commercial branch circuits requiring personnel protection. The breaker features a compact molded case form factor and is intended for copper or aluminum conductors within the listed wire size range. Use in AQ lighting and similar GE load centers that accept THQB bolt‑on frames. Package includes one breaker; handle labeling and trip indicator are standard for the series. Verify panel compatibility and local code requirements before installation, and torque terminals per manufacturer specifications.

Key Features

  • 1‑pole 20A GFCI protection for 120V circuits
  • Bolt‑on THQB frame for GE panels
  • Thermal‑magnetic LI trip characteristics
  • 10kAIC interrupting rating at 120V
  • Compact molded case design
  • Supports listed copper or aluminum conductors

Buy Options

Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.

New

Price: $215.16
Availability: 1 in stock
Lead time: Ships from stock

Never Used

Price: RFQ
Availability: Sourced on request
Lead time: Quoted after RFQ

Used

Price: $169.86
Availability: 1 in stock
Lead time: Ships from stock

FNFP

Price: $283.1
Availability: Available to order
Lead time: Quoted after RFQ

Specifications

Model Number
THQB1120GF
Type
THQB bolt‑on GFCI circuit breaker
Poles
1
Amperage
20 A
Voltage
120 V AC
Interrupting Rating
10 kAIC at 120 V
Trip Unit
Thermal magnetic, LI functions
Mounting Type
Bolt‑On
Circuit Breaker Type
GFCI
UPC
783164086010
Dimensions
3 x 1 x 3.8 in
Item Weight
6.4 oz
Material
Copper
Color
Black
Number of Pieces
1
Phase
1‑phase
Wire Size
14–8 AWG
Approvals
UL, CSA
Operating Temperature
40 °C
For Use With
GE AQ lighting panels
National Stock Number
5925-00-601-6344
Part #
THQB1120GF
Category
Circuit Breaker
Category
Load Center Circuit Breaker
Weight
1.00 lbs
Interrupting Rating
10 kAIC
Voltage
120/240 V
Ampere Rating
20 Amp
Poles
1 Pole
Ground Fault/Arc Fault Circuit Inte
1-Pole ground fault circuit interrupter
Type
Bolt-on

Before we quote this part

Actual photos when available

Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.

Test notes for used units

Power-on or function test status is stated when available, with clear condition grading.

Trackable global shipping

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Clear DOA boundary

For tested units, quote terms can include 7-day DOA support unless otherwise stated.

Independent sourcing disclaimer

We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.

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FAQ

Q: What panels are compatible with this breaker?

Panels that accept GE THQB bolt‑on breakers, including AQ lighting panels; verify your specific load center

Q: What is the interrupting rating?

10 kAIC at 120 V

Q: Does it provide GFCI protection and standard overcurrent?

Yes, it integrates Class A GFCI with thermal‑magnetic overcurrent protection

Q: What wire sizes are supported?

14 AWG to 8 AWG conductors; follow terminal torque specs

Q: Is this a single‑pole breaker?

Yes, it is 1‑pole rated 20A at 120V