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

NSI Tork® 5737TZ Solid State Photo Timer Photocontrol

The NSI Tork® 5737TZ is a versatile solid-state photo timer designed to provide precise control over lighting systems, enhancing energy efficiency and operational flexibility. This device is ideal for applications such as office buildings, restaurant signage, billboards, and landscape or yard lighting.

Key Features

• Microprocessor Control: Automatically tracks dusk and dawn times throughout the year, adjusting for seasonal changes without the need for manual programming.
• Adjustable Off Time: Allows users to set the off time up to two hours before or after midnight, enabling staggered lighting schedules and additional energy savings.
• Early Morning Activation: Provides the option to turn lights back on between 2 to 10 hours after midnight, ensuring illumination during early morning hours as needed.
• Automatic Reset: In the event of a power outage, the device re-learns and resets itself, eliminating the need for manual maintenance.
• Durable Construction: Features a UV-stabilized, ANSI color-coded polypropylene dome with a clear acrylic window and an ABS base, ensuring longevity and resistance to environmental factors.
• Reliable Switching: Equipped with a DC relay that provides positive snap-action switching, reducing contact bounce and prolonging the life of the contacts.
• Surge Protection: Incorporates a 360-joule metal oxide varistor (MOV) that exceeds ANSI and NEMA requirements, offering robust protection against power surges.

Technical Specifications

• Voltage Rating: 105 to 305 VAC
• Frequency Rating: 50/60 Hz
• Contact Form: SPST (Single Pole Single Throw) Normally Closed
• Tungsten Load Rating: 1000 W
• Ballast Load Rating: 1800 VA
• Operating Temperature Range: -40 to 158°F (-40 to 70°C)
• Mounting Type: Twist-Lock
• Dimensions: 2.187 inches (H) x 3.187 inches (W)
• Light Sensitivity: Turns on at 5 foot-candles (fc) with an average off/on ratio of 1.5:1

The NSI Tork® 5737TZ Solid State Photo Timer Photocontrol offers a reliable and adaptable solution for managing lighting systems, ensuring optimal performance and energy conservation across various applications.