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NSi Industries AlumStem Stem-Mount Photocontrol, 120/208-277V, 2000W Tungsten
Model: NSI-2129A-P
NSi
NSi Industries Stem-Mount Lexan Photocontrol, 208-277V
The NSi Industries Stem-Mount Lexan Photocontrol is a 1/2" stem-mounted, conduit-mount photocontrol built with a durable Lexan housing and a Cadmium Sulphide Cell sensor for reliable dusk-to-dawn lighting control. Rated for 208-277 VAC supply voltage, this fixed-position photocontrol switches at 1 to 5fc (turn on) and 3 to 15fc (turn off), supporting loads up to 3470-4620W tungsten, 2080-2770VA ballast, and 1040-1385VA LED. Backed by cULus listing, it is engineered for dependable performance across outdoor lighting applications where consistent, code-compliant switching is essential.
Key Features
- Stem Mount Design: 1/2" Lexan stem with 6" leads for straightforward conduit-mount installation.
- Durable Construction: Lexan housing enclosure rated for operating temperatures from -40 to +140 F, supporting long-term outdoor durability.
- Fixed Position Photocontrol: Cadmium Sulphide Cell sensor turns on at 1 to 5fc and turns off at 3 to 15fc for consistent dusk-to-dawn switching.
- Electrical Rating: 208-277 VAC supply voltage supporting 3470-4620W tungsten, 2080-2770VA ballast, and 1040-1385VA LED loads.
- Low Power Consumption: Draws under 1 Watt during operation for efficient standby performance.
- Frequency Rating: Compatible with 50-60 Hz supply frequency.
- Timing Range: 2-minute timing range for stable switching response.
Certifications & Compliance
- cULus Listed
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Flood Lamp and Patio Lamp Lighting Control
- Decorative Outdoor Lighting
- Dusk-to-Dawn Lighting Switching
- Conduit-Mount Outdoor Fixtures
- Commercial and Residential Exterior Lighting
Why NSi Industries?
NSi Industries builds this stem-mount photocontrol with a rugged Lexan housing and a Cadmium Sulphide Cell sensor designed to withstand demanding outdoor environmental conditions from -40 to +140 F. With cULus listing and a defined 208-277 VAC electrical rating, it delivers dependable, code-compliant dusk-to-dawn switching for flood, patio, and decorative lighting applications where consistent performance matters.
Manufacturer Resources
Product Specs
- Mounting Method:
- Conduit Mount
- Environmental Conditions:
- -40 to + 140 F
- Product Voltage:
- 208-277 VAC
- Standards:
- cULus
- Timing Range:
- 2 Minutes
- Sensor Type:
- Cadmium Sulphide Cell
- Sensitivity:
- Turn On Is 1 to 5fc - Turn Off is 3 to 15fc
- Product Wattage:
- Under 1 Watt
- Product Type:
- Lexan Fixed Position Photocontrol
- Operating Temperature:
- -40 to + 140 F
- Frequency Rating:
- 50-60 Hz
- Configuration:
- Lexan Housing
- Application:
- Flood Lamp-Patio Lamp-Decorative Ligting
- Product Material:
- Lexan
- Listing:
- cULus
- Department:
- Electrical
- Product Group:
- Wiring Devices