Cut Sheet
Interval
Astronomic
THE PHOTO CONTROL YOU NEED
Intermatic Photo Controls
provide “dusk-to-dawn” control
of street, parking lot, billboard
and security lighting. Our line
includes Thermal type, Relay
type and Solid State (electronic)
Photo Controls. Mounting types
include fixed position mounting,
stem mounting and twist lock.
With so many different options;
we have the right Photo Control
for your application.
For more information go to
www.intermatic.com
• Specifier Resources
• Competitive comparisons
• Downloadable documentation
and wiring diagrams
K4021
K4321C
LC4521CK4521 K1221
FEATURES & BENEFITS
• 5 Year Warranty
• NEMA twist lock
plug connection
• K4000 style thermal switch for
reliable long life performance
• Accessories available
• UL/CSA approved
FEATURES & BENEFITS
• 5 year Warranty
• Instant ON/OFF switching
• Two mounting types
• 2400V open type spark gap
arrestor and standard
3-prong connector
(K1200 series only)
• Equipped with an adjustable
stem for mounting at up to
80° angle (K1100 series only)
• UL/CSA approved
FEATURES & BENEFITS
• 3 Year Warranty
• NEMA twist lock
plug connection
• Integral housing and lens,
with UV protection
• Solid brass terminals
• UL/CSA approved
Stem Mounting Stem and Swivel Mounting
FEATURES & BENEFITS
• 5 Year Warranty
• Fits into a standard outlet box,
post lamp or wall packs
• Single and multivolt models
available
• Equipped with a 3/8”
threaded side mounting
locking nut and gasket
• K4321C includes weatherproof
wall plate with gasket
• UL/CSA approved
FEATURES & BENEFITS
• 5 Year Warranty
• Single and multivolt models
available
• Equipped with light level slide
adjustment and 1/2”
threaded stem
• Washer gasket and locking
nut included
• UL/CSA approved
K4121M K4121 K4251 K4221C K1121K4236C K4536SS
FEATURES & BENEFITS
• 5 Year Warranty
• Normally closed contact
• Electronically calibrated
• Raintight enclosure
• NEMA twist lock
plug connection
• K4536SST provides adjustable
ON/OFF times between sunset
and sunrise
• Instant ON, 10 second delay
OFF switching
• UL/CSA approved
Solid State Fixed Position
FEATURES & BENEFITS
• 5 Year Warranty
• Single and multivolt models
available
• Models equipped with light
level slide adjustment and
1/2” threaded stem
• Washer gasket and locking
nut included
• UL/CSA approved
Relay Type
Low Cost Locking-Type
Fixed Position Mounting
Locking Type Mounting
PHOTO CONTROLS




