The Eaton 2600HMR21E is a double-pole three-wire circuit breaker rated for 120/240VAC. It features a HACR (Heating, Air Conditioning, and Refrigeration) quick-make/quick-break switch, a short-time pick-up trip level of 4,000 Amps, and a high-short circuit interrupting rating of 10,000 Amps. The trip indicator is a red flag that can easily be seen when the circuit breaker is tripped. The breaker is UL 489 listed and meets all applicable UL standards. It is ideal for residential, commercial, and industrial applications.