24Hr Time Switch – Mechanical Time Switch for Electrical Control

The 24Hr Time Switch by NSI Industries is a mechanical time control device designed for automatic on/off operation in electrical applications such as lighting, pumps, signs, air conditioning, water heaters, and fans. Ideal for electrical distributors and lighting solutions providers, this device offers reliable scheduling with optional day omissions, supporting consistent daily operation. It is suitable for wire and cable installations requiring timed switching and is a practical component for switchgear suppliers managing load control.

Specifications

• Manufacturer Part #: 7209A
• Switch Type: SPST/DPST
• Contact Ratings: 40 Amp 120/208-277 VAC General Purpose/Resistive, 20 Amp 120/208-277 VAC Inductive (Ballast), 16 Amp 120/208-277 VAC Electronic Ballast/LED, 40 Amp 120 VAC Tungsten
• Pilot Duty: 1100 VA (120 VAC); 2200 VA (240 VAC)
• Horsepower Ratings: 2 HP 120 VAC; 5 HP 240 VAC
• Time Motor Voltage: 120/208-277 VAC, 60 Hz
• Power Consumption: 3 Watts Max
• Short Circuit Rating: 5 KA (when protected by a Class T Fuse 60A)
• Operating Temperature Range: -40 to 165 degrees Fahrenheit
• Dimensions (L x W x H): 8.65 in x 5.1 in x 3.7 in
• Product Weight: 2.435 lbs

Features

• 24-hour mechanical dial with up to 12 pairs of trippers for on/off scheduling
• Optional one to six days omission functionality for flexible operation
• Manual override lever for temporary on/off control without disrupting schedule
• Durable construction suitable for various electrical control applications
• UL917 standard listed for safety and reliability
• Multi-voltage compatible with 120/208-277 VAC supply

Downloads & Links

• Operations Manual
• Spec Sheet