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BU-KSB3300 - 600V 300A Circuit Breaker (Fuji)
$595.00
Fuji model BU-KSB3300 circuit breaker, 3 Pole Unit. Used. Rated 600VAC 300A. See pictures for specifications, interrupt / interrupting ratings, wiring instructions, etc.

MAL365001212 - Circuit Breaker - 500A at 600VAC or 250VDC (Square D) - New/Surplus
$2,995.00
Square D / Schneider Electric circuit breaker, model MAL365001212. New/Surplus. Rated 500A at 600VAC or 250VDC. In original box with instructions.

MHL3610001426 - Circuit Breaker 600V 1000A (Square D / Schneider Electric)
$3,950.00
Square D / Schneider Electric model MHL3610001426 Circuit breaker. Used. 3-pole, rated 1000A at 600VAC or 250VDC. See pictures for specifications, interrupt / interrupting ratings, wiring instructions, etc.

NSJ400N - 600V 400A Compact Circuit Breaker (Merlin Gerin)
$1,995.00
Merlin Gerin model NSJ400N circuit breaker. New/Surplus. Also labeled NJNM36400E20LH and 521568P1. To view a full specification sheet (PDF), click here.

NSJ600L - 600V 600A Circuit Breaker with STR23SP trip unit (Merlin Gerin)
$4,450.00
Merlin Gerin / Schneider Electric compact NSJ600-L circuit breaker with STR23SP electronic trip unit. New/Surplus. For use with NSJ 3P/4P plug-in base (UL 489) 32514/32515. To view a full specification sheet (PDF), click here.