Overview
The ABB THHQB22100 is a 100-amp, 2-pole Q-Line bolt-on circuit breaker rated for 240V AC. Its fixed thermal-magnetic trip protects compatible electrical distribution circuits against overloads and short circuits, with a 22 kA interrupting rating.
Key Features
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Protection: Non-interchangeable, fixed long-time and instantaneous trip functions with internal common-trip operation.
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Installation: Bolt-on bus connections and load-side box lugs; suitable for reverse feed.
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Compatibility: For ABB and legacy GE equipment specifically listed for this Q-Line breaker. Confirm the panelboard labeling before installation.
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Performance: 100A, 2 poles, 240V AC and 22 kAIC, with a quick-make/quick-break mechanism and visible trip indication.
Specifications
- Catalog Number: THHQB22100
- Series / Frame: Q-Line
- Amperage: 100A
- Poles / Phase: 2-pole / single-phase applications
- Voltage: 240V AC
- Interrupting Rating: 22 kAIC
- Mounting: Bolt-on
- Trip Function: Fixed LI thermal-magnetic
- Wire Range: 6-1/0 AWG copper or 4-1/0 AWG aluminum
- Terminal: Box lugs
- Temperature Rating: 40°C
- Certifications / Markings: UL 489, UL File E11592, HACR
- UPC: 783164118544
Common Applications
Branch-circuit and feeder protection in compatible commercial and light-industrial distribution equipment requiring a 100A two-pole bolt-on breaker with a 240V rating. Selection and installation should be confirmed by a qualified electrical professional.
