Siemens AG Relays - Contactors (Electromechanical) CLM1B04277

The CLM1B04277 is a mechanically held lighting contactor rated for 20A, featuring four normally open main contacts and a 265-277V AC coil for 50/60 Hz operation. It has a NEMA 1 indoor general-purpose enclosure, measures 14 × 8 × 7 inches, and weighs 8 lb. The contactor supports mounting vertically via surface installation with screw-type terminals for line, load, and coil connections, accommodating 18 to 10 AWG copper conductors at a maximum temperature of 75 °C. It has a short-circuit current rating of 5 kA at 240 V, 480 V, and 600 V, and complies with NEMA ICS 2, UL 508, and CSA 22.2 No. 14 standards.