Product Description
The ABB THQB2145 Q line circuit breakers are compact, thermal-magnetic devices designed for residential and commercial applications. These QB breakers are bolt-on versions of the Q Line used for bolting to the bus connections of load centers and lighting panels. They feature Quick-make / Quick-break mechanisms and common trip bars.
- Quick-make / Quick-break mechanisms
- Common trip bars
- Easy to spot trip indication
- Suitable for residential, commercial, and industrial systems
Product Highlights
This 45-amp miniature breaker delivers robust overcurrent protection for electrical systems.
Product Information
Standard Information
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Brand: ABB
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Manufacturer Part Number: THQB2145
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Country of Origin: UKN
Technical Specifications
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Category: Q-Line Miniature Circuit Breakers
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Product Line: TEY / Q-Line (Bolt-On)
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Trip Style: Non-Interchangeable
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Frame Type: Q-Line
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Amperage: 45 A
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System Voltage: 120 Vac
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Poles: 2
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Trip Function: Long-Time, Instantaneous
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Continuous Current Rated: Standard
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120 Vac Interrupting Rating: 10 KAIC
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120/240 Vac Interrupting Rating: 10 KAIC
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Suitable for Reverse Feed: Yes
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Long Time: Fixed
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Instantaneous: Fixed
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Special Markings: HACR
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UL File #: E11592
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Maximum Amperage (A): 45
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Current Rating: 45 Amps
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Circuit Breaker Type: Standard
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Mounting Type: Bolt-On Mount
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Number of Poles: 2
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Smart Home Compatibility: Not Smart Home Compatible
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Voltage: 240 Volts
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Brand: ABB / General Electric
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Series: THQB
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Part Number: THQB2145
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AIC Rating: 10kA @ 120/240VAC
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Mounting Style: Bolt-On
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Terminal Type: Box Lugs
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For Use With: GE A-Series Panelboards
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Trip Technology: Thermal Magnetic
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Trip Function Code: LI
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Trip Adjustability: Fixed Thermal, Fixed Magnetic
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Wire Gauge: 8-3 AWG (Cu/Al)
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Max Wire: 3 AWG
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Min Wire: 8 AWG
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Available Options: Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
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Accessories: Load Side Lugs Included
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Standards: CSA C22.2 No. 5, HACR, UL 489
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Approval: CSA, UL
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Temp Rating: 40C
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Construction Features: HACR Rated, Internal Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip, Visual Trip Indicator, Reverse Feed
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Operation Method: On/Off
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Type: Type THQB
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Breaker Mechanism Type: Toggle
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Breaker Number of Poles: Two Pole
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Breaker Amperage Rating: 45 Amp
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Breaker Voltage Rating: 240 VAC
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Component: Miniature Circuit Breaker
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Breaker Function: LI
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Manufacturer: ABB
