NSI Industries 5008ME - TurnLock Utility 480V Phototransistor with delayed response. Uses a silicone photo sensor instead of a standard CdS photocell. For use on streets, highways and other luminaries equipped with locking type receptacles, where most stringentsurge protection is needed.
NSI Industries

5008ME

UPC: 786261610201

Contact for Pricing

Overview

The NSI Industries 5008ME TurnLock Phototransistor is engineered for demanding outdoor lighting applications, particularly on streets, highways, and commercial facilities requiring robust surge protection. This model distinguishes itself by utilizing a silicone photo sensor, offering superior performance and longevity compared to standard CdS photocells. It is designed for luminaries equipped with standard locking-type receptacles, ensuring easy and secure installation. Key specifications include a 480V operating voltage, a high tungsten rating of 7500W, and a ballast rating of 4800VA, making it suitable for a wide range of lighting loads. The 5008ME features a delayed response mechanism, preventing false switching caused by transient light sources such as passing vehicles or nearby lighting. This ensures reliable dusk-to-dawn operation. The ON light level is set between 1 to 3 foot candles (fc), with a Turn-OFF to Turn-ON ratio of a maximum of 5:1, providing precise control. Built to meet stringent industry standards, the 5008ME complies with UL773 and ANSI C136.10, including color designations for voltage. Its housing is constructed from UV-stabilized polycarbonate, offering high impact resistance, flammability resistance, and long-term color stability. The locking prongs are made of solid brass, guaranteeing maximum corrosion resistance and excellent electrical conductivity. The operating temperature range is -40°F to +140°F (-40°C to +60°C), ensuring dependable performance in extreme weather conditions. The fail mode is set to ON, providing continuous illumination in the event of a control failure. NSI Industries backs this product with a 5-year warranty, underscoring its commitment to quality and reliability. SKU: 5008ME.
  • Delayed response prevents false switching due to light from vehicles or lighting, etc.
  • Polycarbonate housing and window, UV stabilized for permanent color. Provides high impact performance, flammability resistance, and electrically safe operations.
  • Turn-ON is 1 to 3 fc. Turn-OFF to Turn-ON ratio is 5 max
  • Surge Protection is 380 joule MOV (metal oxide varistor) which exceeds ANSIand NEMA requirements
  • Locking Prongs are solid brass for maximum corrosion resistance andelectrical conductivity.

Specifications

Application
Street-Highway Lighting
Enclosure
Polycarbonate
Environmental Conditions
-40 to + 140 F
Frequency Rating
50/60 Hz
Material
Polycarbonate
Mounting
Twist Lock
Operating Temperature
-40 to + 140 F
Sensitivity
Turn On Is 1 to 3fc - Turn Off to Turn On Ratio is 5 Max
Sensor
Silicone Photo Sensor
Series
TurnLock Utility
Size
H=2.187 - W=3.187 IN
Size
1" in
Special Features
380 Joule MOV (Metal Oxide Varistor) Surge Arrestor - Locking Prongs - 1 Light Sensor IN
Standard
UL773
Supply Voltage
480 VAC
Timing Range
2 Minutes
Type
Delayed Response Utility Grade
Voltage Rating
480 VAC
Warranty
5 Year
Package Dimensions (L x W x H)
3.187 IN x 3.187 IN x 2.187 IN
Package Dimensions (L x W x H)
8.095 cm x 8.095 cm x 5.555 cm
Package Weight (Imperial)
0.220 L
Package Weight (Metric)
0.100 kg
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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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