SIEMENS LOW VOLTAGE 3VA IEC MOLDED CASE CIRCUIT BREAKER WITH THERMAL – MAGNETIC TRIP UNIT. 3VA11 FRAME WITH STANDARD (CLASS S) BREAKING CAPACITY. 125A 3-POLE Icu: (7KAIC AT 690V) (36KAIC AT 415V). TM220 TRIP UNIT WITH ADJUSTABLE Ir FIXED Ii. SPECIAL FEATURES: CONNECTION WITH LUG TERMINAL / NUT KEEPER. DIMENSIONS (W x H x D) IN: 3 x 5.1 x 3.5.