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Product Description & Specifications
Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.
- Manufacturer
- General Electric
- Sub-Category
- Molded Case
- Series
- Q-Line
- Frame
- THQB
- Rated current
- 20
- Voltage
- 120V
- Poles
- 1
- Phases
- 1
- Interrupting rating
- 10kA@120V
- Trip functions
- Long Time and Instantaneous Trip
- Protection
- Thermal Magnetic
- Connection
- Bolt-On
- Lugs
- Included
- UPC
- 783164033427
Show all specifications (4 more)
- GTIN
- 40783164033425
- Weight
- 1
- Certification
- UL Listed
- Wire Size
- 14 To 8 Awg (Copper), 12 To 8 Awg (Aluminum)
Product description & additional details
THQB1120ST1
THQB1120ST1 is a General Electric 1-pole, 20A, 120/240V bolt-on miniature circuit breaker with shunt trip and 10kA interrupting rating.
This Q-Line series circuit breaker features a thermal magnetic trip unit with fixed long time and instantaneous trip functions, suitable for reverse feed applications. It is designed for reliable protection in commercial and industrial power distribution systems, offering a compact, bolt-on mounting solution with load side lug terminals.
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Key Specifications
- Amperage: 20A
- Voltage: 120/240V AC
- Poles: 1
- Mounting Type: Bolt-on
- Interrupt Rating: 10kA at 120/240V AC
- Series/Frame: Q-Line (THQB)
- Trip Unit: Thermal magnetic, fixed long time and instantaneous
- Shunt Trip: 120V
- Certifications: UL Listed (File E11592), CSA Certified (File LR10263)
- Special Markings: HACR
- GSA Compliance: Yes
- Dimensions: 1" x 2-3/8" x 3-9/32"
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.
Specifications
- Part Number: THQB1120ST1
- Manufacturer : General Electric
- Brand : General Electric
- Category : Circuit Breaker
- Item Subcategory : Molded Case
- Family : Q-Line
- Type : THQB
- Voltage : 120
- Amperage : 20
- Phase : 1
- Poles : 1
- AIC rating : 10kA@120V
- Connection : Bolt-On
- Functions : Long Time and Instantaneous Trip
- Protection : Thermal Magnetic
Product Data
- UPC : 783164033427
- GTIN : 40783164033425
- Weight : 1
- Certification : UL Listed
- Wire Size : 14 To 8 Awg (Copper), 12 To 8 Awg (Aluminum)
Return eligibility: what to know before ordering
Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.
Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.
Warranty supplied by Essential Electric
Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.
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