[Mitsubishi Electric] - B-T21 Main Circuit NC Magnetic Contactor (AC Operated, 25A Ith, 2a2b Aux)

Mitsubishi Electric MS-T/N series B-T21 magnetic contactor with normally closed b-contact main circuit, for DC motor starting resistor short-circuiting, AC motor slow-start duty, dynamic braking and AC or DC source changeover in lighting circuits. AC operated coil, main contact configuration 1a2b standard and 3b optional, 2a2b twin auxiliary contacts rated down to 20V 5mA. Open thermal current 25A, coil power consumption 2.4W. Phase barriers fitted as standard on the main circuit; a charged-part protection cover is standard equipment on the T21 frame. Mechanical durability 5,000,000 operations, electrical durability 500,000 operations at 1200 operations per hour. Compliant with JIS C8201-4-1, JEM1038 and JIS C8201-5-1.