The THHQB2170 is a bolt-on circuit breaker rated for 70A at 120/240V, featuring thermal-magnetic protection and 22kA interrupting capacity. Designed for residential and commercial panels, this 2-pole device incorporates LI (Long-Time and Instantaneous) trip functions with non-interchangeable trip characteristics. Its compact design (3.28" L × 2" W × 2.38" H) includes load-side lug terminals that accept copper/aluminum wiring and supports reverse-feed installation. HACR-rated for HVAC/R applications, it offers visible trip indication and quick-make/quick-break contact operation for enhanced safety.
Features
- Electrical Specifications: 70A current rating • 120/240V voltage • 22kA interrupting capacity • LI trip function (Long-time/Instantaneous)
- Physical Design: Bolt-on mounting • Dimensions: 3.28" L × 2" W × 2.38" H • Load-side lug terminals • Accepts 6-1/0 AWG copper/4-1/0 AWG aluminum wiring
- Protection Features: Thermal-magnetic trip • Non-interchangeable trip • Quick-make/quick-break mechanism • Visible trip indicator
- Functional Attributes: Reverse feed capable • HACR rated (HVAC/R equipment) • Common trip bars • Single-phase operation
- Compliance: UL Listed • CSA Certified
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