Knifes: Spare part for cradle (guide frame) rear walls with with rear vertical connections, frame size 3, 3-pole, for 3WA2 breaking capacity H / E, In = 5000A for 3WA2 breaking capacity C, In=4000-5000A for 3WA3 breaking capacity M /H / E, In = 5000A for 3WA3 breaking capacity C, In = 3200-5000A 6 pcs.