Specification

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Energy Controls
K4200 Series
Diagrams
Specification
The photo control shall provide automatic switching for outdoor lighting loads. The control shall be a thermal design with
built-in delay to ensure that the controlled lighting does not switch off due to ambient light or light striking the photocell.
The photo control shall have a rating of ______Watts and ______Amps tungsten and _______Watts and ________Amps
ballast based on agency testing at 50% power factor for ballast loads. The photo control shall provide switching for
nominal voltage xtures of _________Volts ±10% to accommodate uctuations in supply voltage. The photo control
mounting shall be the stem and swivel type with all necessary mounting hardware and instructions. The photo control
housing shall be constructed of high impact polycarbonate. The photo control components shall consist of a resistor,
dual temperature compensating bi-metal blades, snap action contact blades, chemically treated/polymer encapsulated
cadmium sulde photocell and silver alloy contacts to ensure reliable operation. The photo control shall be 100% factory
tested for function within specied light levels. The photo control shall be agency certied (unless otherwise noted) and
tested accordingly. The photo control shall function over temperature range of -40°F to 158°F (-40°C to 70°C). The photo
control shall be Intermatic model _________________(See Model Numbers Listed).
Model Number
Tungsten
(Watts)
Ballast (VA)
Tungsten
(Amps)
Ballast
(Amps)
Volts AC Agency Listing
K4221C 1800 1000 15 8.3 120 UL
K4223C** 3100-4150 1700-2300 15 8.3 208-277 CSA, C/US
K4227 5205 2880 15 8.3 347 CSA, C/US
K4235* 7200 4000 15 8.3 480
K4236C 1800-4150 1000-2300 15 8.3 120-277 UL, CSA
K4251 1800 1000 15 8.3 120 CSA, C/US
K4253** 3100-4150 1700-2300 15 8.3 208-277 CSA, C/US
*Not Agency certied
**Title 20 Listed Model
White
(Neutral)
Red (Load)
Load
(Line)
Line
Neutral
Black
Photo Control
Photo Control 120 or 277 VAC
1/2" nipple
Nut and
neoprene
washer
White
(Neutral)
Red (Load)
Load
(Line)
Line 1
Line 2
Black
Photo Control
Photo Control 208/240/480 VAC