SIEMENS LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH ELECTRONIC TRIP UNIT. 3VA61 FRAME WITH MEDIUM (CLASS H) BREAKING CAPACITY. 40A 3-POLE (22KAIC AT 600V) (65KAIC AT 480V). ETU550 TRIP UNIT LCD LSI. SPECIAL FEATURES CONNECTION WITHALUMINUM LUG. 100 PERCENT RATED. DIMENSIONS (W x H x D) IN 4.1 x 7.8 x 4.2.