dusk and off at dawn. switch

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Photo Switch

Photoelectric light controls sense light levels and automatically turn lights on at dusk and off at dawn.

SW103CTC-4 1800W Heavy Duty Outdoor Swivel Eye Direct Wire Light Control

On at Dusk, Off at Dawn, For Incandescent, Fluorescent, Mercury Vapor and Sodium Bulbs
Swivels to allow for precise positioning
Wires directly into box with standard 1/2" pipe thread
Built-in Time Delay and Weather Resistant
120 Volts, 60 cycle AC and1800 Watts (tungsten load), 15.0 Amp and Radio Frequency Interference Suppressed

SW103 $59.99

Intermatic K4221C Photo Control

120V, 1800W Swiveling Threaded Photocontrol

Provides dusk-to-dawn control of street, parking lot, billboard and security lighting. Mounting is twist lock. Equipped with a light level slide adjustment. Mounts via 1/2"-14 male threaded stem. A washer gasket and locking nut are packaged with each photo control.
Foot Candles Off 3-15, Foot Candles ON 1-5

K4221 $69.99

931210 Standard 1 Pole 10 Amp. 277 VAC SPST
General purpose low power drain DC

Plug-in relay, DIN mount base (included)
8 A. Ballast
12 A. General purpose
10 A. Tungsten
Coil: 60mA @ 120VAC
Normally Open (N.O.) contact
UL C9805 CSA, CE approved)

931210 $39.99

Wiring applications