Abb thqb2145 mcb 45a 2p

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

• Brand: ABB
• Manufacturer Part Number: THQB2145
• Country of Origin: UKN

Technical Specifications

• Category: Q-Line Miniature Circuit Breakers
• Product Line: TEY / Q-Line (Bolt-On)
• Trip Style: Non-Interchangeable
• Frame Type: Q-Line
• Amperage: 45 A
• System Voltage: 120 Vac
• Poles: 2
• Trip Function: Long-Time, Instantaneous
• Continuous Current Rated: Standard
• 120 Vac Interrupting Rating: 10 KAIC
• 120/240 Vac Interrupting Rating: 10 KAIC
• Suitable for Reverse Feed: Yes
• Long Time: Fixed
• Instantaneous: Fixed
• Special Markings: HACR
• UL File #: E11592
• Maximum Amperage (A): 45
• Current Rating: 45 Amps
• Circuit Breaker Type: Standard
• Mounting Type: Bolt-On Mount
• Number of Poles: 2
• Smart Home Compatibility: Not Smart Home Compatible
• Voltage: 240 Volts
• Brand: ABB / General Electric
• Series: THQB
• Part Number: THQB2145
• AIC Rating: 10kA @ 120/240VAC
• Mounting Style: Bolt-On
• Terminal Type: Box Lugs
• For Use With: GE A-Series Panelboards
• Trip Technology: Thermal Magnetic
• Trip Function Code: LI
• Trip Adjustability: Fixed Thermal, Fixed Magnetic
• Wire Gauge: 8-3 AWG (Cu/Al)
• Max Wire: 3 AWG
• Min Wire: 8 AWG
• Available Options: Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
• Accessories: Load Side Lugs Included
• Standards: CSA C22.2 No. 5, HACR, UL 489
• Approval: CSA, UL
• Temp Rating: 40C
• Construction Features: HACR Rated, Internal Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip, Visual Trip Indicator, Reverse Feed
• Operation Method: On/Off
• Type: Type THQB
• Breaker Mechanism Type: Toggle
• Breaker Number of Poles: Two Pole
• Breaker Amperage Rating: 45 Amp
• Breaker Voltage Rating: 240 VAC
• Component: Miniature Circuit Breaker
• Breaker Function: LI
• Manufacturer: ABB