JXD22B400 SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER WITH THERMAL - MAGNETIC TRIP UNIT. STANDARD 40 DEG C BREAKER JD FRAME WITH STANDARD BREAKING CAPACITY AND NON INTERCHANGEABLE TRIP. MEETS UL 489 / IEC 60947-2 STANDARDS. 400A 2-POLE BREAKER (65KAIC AT 240V). SPECIAL FEATURES: NO LUGS INSTALLED. DIMENSIONS (W x H x D) IN: 7.5 x 11 x 4.