Up for sale is an obsolete, mint condition, FPE HORIZON CE3040B, 40 AMP, 3 POLE, 600 VAC MAX. THERMAL MAGNETIC TRIP MOLDED CASE CIRCUIT BREAKER (FEDERAL PIONEER LIMITED, AMB MAX TEMP 40ºC, CU/AL, MAX RMS CURRENT RATING: 18KA @ 240VAC, 14KA @ 480VAC, 14KA @ 600VAC, 10KA @ 250VDC).