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These THQC and THHQC series miniature circuit breakers mount on 35mm DIN rail to save space in panelboards and load centers. They interrupt currents when faults are detected in the circuit. Sometimes called freestanding miniature circuit breakers, they can also be surface-mounted within a larger panel or flush-mounted in an enclosure. They're UL listed for use in HACR (heating, air conditioning, and refrigeration) applications. This listing is for each. THERMAL MAGNETIC TYPE; 1 INCH W X 2 3/8 INCH D X 3 9/32 INCH H SIZE; 8 TO 3 AWG (COPPER/ALUMINUM) WIRE SIZE; UL APPROVAL; 120/240 VAC VOLTAGE RATING; 35 MM DIN RAIL MOUNTING; 10 KILOAMPERE INTERRUPTING RATING; 45 AMPERE CURRENT RATING; 1 POLE(S); LUG LINE TERMINAL, LUG LOAD TERMINAL TERMINAL TYPE; APPLICATION HEATING, AIR CONDITIONING, REFRIGERATION; THQC MODEL