Overview Product Specifications - TKMA3Y1000 - General Electrics Molded Case Circuit Breakers Part Number: TKMA3Y1000 Manufacturer: General Electric Family: K1200 Line Pole: 3 Amp 1000 Volt: 600 Phase: 3 Category: Molded Case Circuit Breakers / 3-Pole Connection: Feed-Thru Type: TKMA Functions: NA - No Overcurrent Protection Protection: Non-Automatic AIC Ratings: 30kA@480V Dimensions Dimensions (HxWxD): 5.5 x 8.25 x 15.5 Weight: 54.26 lb Standards Product Description - TKMA3Y1000 - General Electrics Molded Case Circuit Breakers Featuring a Feed-Thru design, this TKMA type circuit breaker with a 3-pole, 3-phase configuration has a substantial 1000A rating. Operating at 600V, it maintains a standard interrupting capacity of 30kA at 480V. Notably, it lacks Overcurrent Protection (NA), and the line & load side lug terminals enhance its connectivity. Classified as a Non-Automatic molded case switch, it is a reliable choice for applications where overcurrent protection is not required.