SIEMENS LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH ELECTRONIC TRIP UNIT. 3VA61 FRAME WITH HIGH (CLASS L) BREAKING CAPACITY. 100A 3-POLE (50KAIC AT 600V) (150KAIC AT 480V). ETU850 TRIP UNIT LCD LSI WITH METERING. SPECIAL FEATURES CONNECTION WITH LUG TERMINAL / NUT KEEPER. 100 PERCENT RATED. DIMENSIONS (W x H xD) IN 4.1 x 7.8 x 4.2.