SIEMENS LOW VOLTAGE 3VA IEC MOLDED CASE CIRCUIT BREAKER WITH THERMAL -MAGNETIC TRIP UNIT. 3VA14 FRAME WITH STANDARD (CLASS S) BREAKINGCAPACITY. 500A 3-POLE Icu: (7KAIC AT 600V) (36KAIC AT 415V). TM240 TRIPUNIT WITH ADJUSTABLE Ir ADJUSTABLE Ii. SPECIAL FEATURES: CONNECTION WITHLUG TERMINAL / NUT KEEPER. DIMENSIONS (W x H x D) IN: 5.4 x 9.8 x 5.4.