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Gray metal electromechanical timer in steel enclosure

TORK nsi

TORK nsi 8001U 24 hr Electromechanical Timer Gray Metal

SKU CH-V6WW-BCM01

Electromechanical timer with 48 on/off cycles per 24 hours, 20 A at 480 V AC, and 96 trippers included

  • TypeIndustrial Electrical Controls & Automation
  • 24-hour scheduling with 15-minute minimum intervals
  • 48 on/off cycles per day using 96 included trippers
  • 20 A SPDT contact rated for 480 V AC
  • Steel enclosure rated NEMA 1 for surface mounting
  • Operates from -40 to 165 °F with cULus listing

Industrial 24-hour timer for automated circuits

The NSI TORK 8001U is an electromechanical timer built for industrial electrical control and automation. It provides a single-pole double-throw contact rated at 20 amps and 480 volts AC. The unit suits panels that need daily on/off scheduling for motors, lighting or heating loads up to three-quarter horsepower at 120 volts.

Steel enclosure rated NEMA 1 for indoor mounting

A gray enamel steel housing protects the mechanism in ambient temperatures from minus 40 to 165 degrees Fahrenheit. The timer mounts directly on a surface and carries cULus listing. Power draw in normal operation is limited to the coil driving the contacts, with no active cooling required.

Up to 48 daily cycles with 15-minute resolution

Ninety-six trippers are included to program on and off events across a 24-hour dial. Minimum setting is 15 minutes and maximum on-time reaches 23 hours 45 minutes. The fixed cycle count and mechanical dial mean the timer fits repetitive daily schedules but not applications needing variable weekly programs or remote adjustment.

Highlights

  • 24-hour scheduling with 15-minute minimum intervals
  • 48 on/off cycles per day using 96 included trippers
  • 20 A SPDT contact rated for 480 V AC
  • Steel enclosure rated NEMA 1 for surface mounting
  • Operates from -40 to 165 °F with cULus listing

Specifications

TypeIndustrial Electrical Controls & Automation
BrandNSI TORK

Questions about this item

How do I surface-mount the TORK 8001U timer and what is the common wiring mistake?

Mount the steel enclosure directly to a flat surface using the integral mounting tabs. The step often missed is confirming the load does not exceed 20 A at 480 V AC and that the SPDT contacts are wired for the correct circuit — motor loads must stay within the 3/4 hp rating at 120 V.

Which parts of the TORK 8001U will need replacement after extended use?

The electromechanical clock motor and the SPDT switch contacts are the wear items. The 96 included trippers can also wear or break over time; replacements are standard 15-minute increment trippers. No other user-serviceable parts are inside the sealed NEMA 1 enclosure.

What is the first limit the TORK 8001U hits during continuous daily cycling?

The timer is rated for a maximum of 48 on/off cycles per 24-hour period. Exceeding this cycle count will cause premature contact wear and clock-motor fatigue before the -40 °F to 165 °F temperature range or the 20 A current rating become limiting factors.

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