LS Electric’s molded-case circuit breaker (MCCB) line features high interrupt ratings (IR) and trip units. Interrupt ratings go up to 65 kA for the 100-A frame size and 100 kA for all other frame sizes. All frame sizes up to 600 A have the option of an ATU trip unit with adjustable thermal and magnetic trip levels. 800-A and 1200-A frame sizes also have electronic trip unit options with LCD displays. The A (ammeter) type displays amp draw and offers communication and ground fault protection. P (power meter) type trip units display information on phase angle and frequency and also include communication and ground fault protection. S (super meter) type trip units combine the features of both A and P type meters.
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