277 Volt Lighting Contactor

Use these tips to learn how to wire a contactor.

277 volt lighting contactor.

Looking for square d 277v ac definite purpose contactor. These voltages must be electrically isolated from the standard 120 volts ac. Lithonia lighting contractor select ecc series 120 277 volt integrated led white and green exit emergency combo w 3 6v battery 14 47 30. Contactors are used to provide this isolation.

Lighting contactors are used on lighting circuits. In commercial electrical wiring the authors state most larger commercial buildings utilize a 480 277 volt y connected service entrance. Contactors use 120 volt standard power to energize a magnetic coil which causes a set of internal contacts to close and provide higher power to the equipment. Mercury displacement contactors use mercury as contact material to open and close circuits in electric transformers capacitors and heaters.

It reveals the elements of the circuit as simplified shapes and also the power and also signal links in between the devices. Use them for all popular lighting loads and other non motor applications including tungsten filament lighting loads electric discharge fluorescent loads electric furnaces and electric water heaters. Multiple location on off control of contactor when used with wireless controls multi volt supply 120 208 240 or 277 vac field configurable outputs two independently controllable spst contacts or simultaneous dpst contact operation up front activator switch always operates load does not require central control system. Bulletin 100l lighting contactors control a variety of lighting loads.

Hoist contactors control electric hoists light duty cranes and door operators. In addition these contactors meet the requirements of both csa and ul. Of poles 3 40 full load amps inductive 5kal6. Assortment of 277 volt lighting wiring diagram.

A three phase four wire distribution system running at 277 volts is used for high voltage lighting like fluorescent lights. Electrical discharge lighting is designed to run on 277 volt wiring. Grainger s got your back. Lithonia lighting contractor select eu2c 120 277 volt integrated led white emergency light fixture with battery 9 40 94.