SIEMENS LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH ELECTRONIC TRIP UNIT. 3VA63 FRAME WITH HIGH (CLASS L) BREAKING CAPACITY. 250A 3-POLE (50KAIC AT 600V) (150KAIC AT 480V). ETU350 TRIP UNIT LSI. SPECIAL FEATURES CONNECTION WITH ALUMINUM LUG. 100 PERCENT RATED. DIMENSIONS (W x H x D) IN 5.4 x 9.8 x 5.4.