WebSep 28, 2024 · Please click document 0600DB0102 for a complete list of HACR labeled breakers. Section 7.8 of the 11th edition of UL 489 granted HACR listing to all UL 489 Listed circuit breakers. There is no longer a requirement for special testing. Circuit breakers with UL 489 listing are suitable for group motor applications requiring HACR designation. WebSep 18, 2024 · Where the air-conditioning or heat pump compressor unit consists of a hermetic refrigerant motor-compressor (s) in combination with other loads, such as the fan motor, the horsepower rating of the disconnecting means is based on the summation of all currents at rated-load condition and locked-rotor condition.
HACR Ratings and UL™ Listed Molded Case Circuit Breakers
WebInverse time circuit breakers have both thermal and instantaneous trip features and are preset to trip at standardized levels. This is the most common type of circuit breaker used in the building trades for residential, … WebApr 2, 2024 · The circuit breaker voltage rating refers to the highest RMS voltage (Root Mean Squared) for which it is built. Some circuit breakers have more than one voltage number on their nameplate. You can tell the actual voltage rating of the breaker by identifying the highest voltage on the list. 2. Frequency Rating dod srg
BAB3030H Eaton BAB thermal magnetic circuit breaker
WebMar 18, 2024 · What is the definition of a HACR breaker? A standard two-pole HACR breaker can safeguard HVAC equipment from electrical overuse, according toBuild My … WebJul 16, 2000 · A HACR breaker is a type of circuit breaker that is listed for group applications. In other words, the breaker is able to supply proper protection for both the … WebIt tells us that at 1.5X the rated current the quickest the circuit breaker will trip is forty seconds (1). Forty seconds at 2X the rated current is the slowest the circuit breaker will trip (2). The bottom of the chart is for the magnetic trip of the coil/solenoid; 0.02 to 2.5 seconds at 3X the rated current is the soonest the circuit breaker ... dod src