SIEMENS LOW VOLTAGE 3VA IEC MOLDED CASE CIRCUIT BREAKER WITH ELECTRONIC TRIP UNIT. 3VA24 FRAME WITH MEDIUM (CLASS M) BREAKING CAPACITY. 400A 3-POLE Icu: (6KAIC AT 690V) (55KAIC AT 415V). ETU320 TRIP UNIT LI. SPECIAL FEATURES: CONNECTION WITH LUG TERMINAL / NUT KEEPER. DIMENSIONS (W x H x D) IN: 5.4 x 9.8 x 5.4.