SIEMENS LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH ELECTRONIC TRIP UNIT. 3VA64 FRAME WITH MEDIUM LOW (CLASS M) BREAKING CAPACITY. 400A 3-POLE (18KAIC AT 600V) (35KAIC AT 480V). ETU330 TRIP UNIT LIG. SPECIAL FEATURES CONNECTION WITH ALUMINUM LUG. 100 PERCENT RATED. DIMENSIONS (W x H x D) IN 5.4 x 9.8 x 5.4.