NSI Industries Tork WH2 24 Hour Water Heater Time Switch, Metal Indoor NEMA 1, 208-250 VAC Input Supply, DPST Output Contacts

NSI Industries Tork WH2 24 Hour Water Heater Time Switch, Metal Indoor NEMA 1, 208-250 VAC Input Supply, DPST Output Contacts
by NSI Industries

New!: $159.12 (as of 01/10/2014 20:08 PST)
2 Used! | New! from $98.10 (as of 01/10/2014 20:08 PST)

Photo Detectors

This NSi Industries WH2 mechanical time switch accepts 208-250 VAC input and its DPST output contacts can activate a 40 amp load. This energy-saving switch allows water heater on/off operation at the same time each day. The timer includes three pairs of contact trippers and has a minimum On cycle time of 20 minutes and a minimum Off cycle time of 75 minutes. The timer accommodates up to 12 pairs of contact trippers (not included). The double-pole single-throw (DPST) contacts are housed within a metal enclosure that meets NEMA-1 standards for dust resistance and has a lockable hasp. The enclosure is suitable for indoor use and mounts to an external surface. This mechanical timer is Underwriter Laboratories (UL) listed and Canadian Standards Association (CSA) certified for quality assurance and is suitable for controlling water heaters.

Specifications

Switch type	Mechanical 24-hour timer contact trippers for three on/off cycles (included). Accommodates 9 pair additional trippers (not included).
Input power supply	208-250 VAC, 60 Hz, 3 W power consumption
Output contacts	DPST contacts, 40 amp load rating
On/off control	20-minute minimum On cycle, 75-minute minimum Off cycle, up to 12 cycles per 24 hours
Enclosure	NEMA-1 metal enclosure, indoor use, external surface mount
Terminal wire size range	#8 to #14 AWG (American wire gauge)
Operating temperature range	-40 to +165 degrees F (-40 to +74 degrees C)
Standards met	UL Listed, CSA certified

Automatic switches are used to turn on or off electrical devices and are activated by time, light, and motion. Time activated switches (also known as timers) operate at preset time intervals during a daily or weekly period and can be either mechanical or electronic. Mechanical timers feature a dial with multiple pins to set the on/off time intervals. Electronic timers feature an LCD display and pushbuttons to set the time intervals. Light activated switches (also known as optical or photo) operate when ambient light levels reach preset values, generally measured in foot candles. Motion-activated switches (also known as motion sensors) operate when an electronic field of a preset range is interrupted. These switches can include energy saving logic that uses combinations of time, light, and motion to operate and can include one or more device outlets or circuit contacts. Automatic switches are used to control indoor lights, outdoor lights, appliances, and small equipment motors.

NSi Industries manufactures electrical components and sensors, lighting products, and energy management products. The company, founded in 1975, is headquartered in Huntersville, NC.

• Rank: #11321 in BISS
• Brand: NSI Industries
• Model: WH2
• Number of items: 1

• Automatic on/off control for operation at same time each day
• Mechanical 24-hour dial with three pairs of trippers, 20 minutes minimum On cycle and 75 minutes minimum Off cycle, manual override switch
• Accommodates 9 pair additional trippers (not included)
• 208-250 VAC input voltage, 40 amp DPST output contacts
• Metal enclosure with locking hasp for indoor use