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Square D Q2LH2100 - Molded Case 100A 2-Pole 240V

Square D
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Square D Q2LH2100 is a molded case circuit breaker from the Q2 Series, designed for reliable overcurrent protection in single-phase electrical systems. This 2-pole unit is rated for 100A at 240V, featuring a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions for precise fault response. The breaker weighs 2 lb and utilizes a feed-thru connection type, housed in a compact Q2L frame construction. It carries a 42kA interrupting capacity at 240V, meeting UL and CSA certification standards for safety compliance. This circuit breaker is typically applied in industrial and commercial power distribution panels requiring robust branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Q2 Series
  • Type: Q2L
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 2
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 42kA@240V
  • Phase: 1
  • Current Rating: 100A
  • Amperage: 100 Amp
  • Mounting Type: Feed-Thru
  • Interrupt Rating: 10,000 AIC @ 240V
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed, CSA Certified


Part Number: Q2LH2100