Tork 105-305VAC 50/60Hz SPST N.C. 1000W(T) 1800VA Electric Phototimer 5737TZ

Tork 5737TZ Electric Phototimer

The Tork 5737TZ Electric Phototimer is a versatile lighting control device designed to optimize energy usage by automating lighting schedules based on ambient light levels and user-defined settings. This phototimer is ideal for applications such as office buildings, restaurant signage, billboards, and landscape or yard lighting.

Key Features

• Dual Functionality: Operates both as a photocontrol and a time switch, providing flexibility in lighting management.
• Adjustable Off Time: Users can set the off time up to two hours before or after midnight, allowing for customized lighting schedules.
• Early Morning Activation: The device can be programmed to turn lights back on from two to ten hours after midnight, catering to early morning lighting needs.
• Automatic Adjustments: A built-in microprocessor tracks seasonal changes in dusk and dawn times, automatically determining midnight without the need for manual programming.
• Daylight Saving Time Correction: Automatically adjusts for daylight saving time, ensuring accurate operation throughout the year.
• Power Outage Recovery: The phototimer “re-learns” and resets itself after power outages, eliminating the need for manual reprogramming and reducing maintenance costs.

Technical Specifications

• Voltage Range: 105-305 VAC
• Load Rating: 1000W Tungsten, 1800 VA Ballast
• Surge Protection: Equipped with a 360-joule metal oxide varistor (MOV) to exceed ANSI and NEMA requirements.
• Light Sensor: Utilizes a silicon photosensor for reliable light detection.
• Relay: Features a DC relay with positive snap-action switching, reducing bounce and prolonging contact life.
• Operating Temperature: -40°F to +158°F (-40°C to +70°C)
• Enclosure: Constructed with a UV-stabilized, ANSI color-coded polypropylene dome and a UV-stabilized clear acrylic window.
• Mounting: Designed for easy retrofit with a turn-lock mounting system, requiring no re-wiring.

Applications

• Office Buildings: Manage parking lot lighting by turning lights on at dusk, off at a specified time (e.g., 11 PM), back on in the early morning (e.g., 5 AM), and off at dawn.
• Restaurants: Control signage lighting by turning lights on at dusk, off at midnight when the area is less active, and back on before dawn.
• Billboards: Illuminate billboards at dusk, turn off at midnight due to reduced traffic, and turn back on in the early morning hours.
• Landscape and Yard Lighting: Provide lighting at dusk, turn off at midnight when the area is unoccupied, and turn back on for early morning illumination.

The Tork 5737TZ Electric Phototimer offers a comprehensive solution for efficient and customizable lighting control, enhancing energy savings and reducing maintenance efforts.