SIEMENS LOW VOLTAGE 3VA IEC MOLDED CASE CIRCUIT BREAKER WITH THERMAL - MAGNETIC TRIP UNIT. 3VA12 FRAME WITH HIGH (CLASS H) BREAKING CAPACITY. 250A 3-POLE Icu: (10KAIC AT 690V) (70KAIC AT 415V). TM240 TRIP UNIT WITH ADJUSTABLE Ir ADJUSTABLE Ii. SPECIAL FEATURES: CONNECTION WITH LUG TERMINAL / NUT KEEPER. DIMENSIONS (W x H x D) IN: 4.1 x 6.2 x 3.5.