SIEMENS LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH THERMAL – MAGNETIC TRIP UNIT. 3VA51 FRAME WITH HIGH (CLASS H) BREAKING CAPACITY. 15A 3-POLE (25KAICAT 600Y/347) (65KAIC AT 480V). TM210 TRIP UNIT WITH FIXED Ir FIXED Ii. SPECIAL FEATURES WITHOUT LUGS. DIMENSIONS (W x H x D) IN 3 x 5.5 x 3.7.