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NSI EWZ120 Tork® 1-Channel EWZ Series Astronomic Timer Switch; 7 Days, SPDT, 30 Amp, 120 - 277 Volt AC

  • NSI EWZ120 NSI EWZ120 Tork® 1-Channel EWZ Series Astronomic Timer Switch; 7 Days, SPDT, 30 Amp, 120 - 277 Volt AC
  • NSI EWZ120 Tork® 1-Channel EWZ Series Astronomic Timer Switch; 7 Days, SPDT, 30 Amp, 120 - 277 Volt AC
Manufacturer: NSI
Mfr. #: EWZ120
Item #: 50785
UPC: 786261824714
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Product Details

1 minimum minimum setting time

Automatic compensation leap year

Manual override until the next regularly scheduled On/Off, automatic operation then resumes

AM/PM Clock format

Power outage backup permanent schedule retention, supercapacitor provides 4 days of real time backup

Detailed Description: NSI Torkreg; Astronomic Timer Switch finds its application in outdoor signs, lighting security and heating and air conditioning. It has an input voltage of 12 - 277 VAC at 50/60 Hz with maximum power consumption of 6 VA. It is engineered to set 20 ON/OFF events to repeat daily. It has a minimum time setting of one minute and maximum time setting of 24 hours. It is provided with an automatic daylight adjustment for reduced energy cost. It features adjustable 10 - 60 deg northern or southern latitudes that can be separately offset to +/- 1 - 240 minutes from both sunset and sunrise times. Time switch with automatic leap year compensation has manual override to ensure continuous ON/OFF operation. Time switch has a super-capacitor that delivers four days of real time backup. It is provided with plastic indoor/outdoor NEMA 3R enclosure with lockable hasp for added durability. Normally open contact is rated at 40 Amps, 24 - 277 VAC for general purpose/40 Amps, 120 - 277 VAC for inductive load/30 Amps, 120 VAC for ballast/15 Amps, 120 VAC for tungsten load/720 VA, 120 - 277 VAC for pilot duty application/30 Amps, 28 VDC for resistive load. For motor contact is rated at 1 hp, 120 VAC/1.5 hp, 208 VAC/2 hp, 240 - 277 VAC. Time switch is UL listed.

Product Specification

Application Outdoor Signs-Lighting Security-HVAC Control
Base Screw
Brand NSi
Catalog Description Tork 7 Day 1 Channel SPDT Astronomic Time Switch APPLICATIONS: Outdoor Signs Heating and Air Conditioning Lighting Security FEATURES: INPUT SUPPLY: 120-277 VAC 50/60Hz INPUT VOLTAGE: 12-277 VAC 50/60Hz OUTPUT DRY CONTACTS: SPDT POWER CONSUMPTION: 6VA Max. TIMING ACCURACY: Line Frequency SCHEDULING: 20 ON/OFF set points repeat each day. Minimum Setting 1 minute. NO. OF CHANNELS: 1 Channel DAYLIGHT SAVINGS: Automatic adjustment (can be omitted) ASTRONOMIC: Adjustable 10 degrees - 60 degrees Northern or Southern latitudes. Can be individually offset +/- 1-240 minutes from both sunset and sunrise times. LEAP YEAR: Automatic Compensation MANUAL OVERRIDE: Until the next regularly scheduled ON or OFF, automatic operation then resumes. CLOCK FORMAT: AM/PM. POWER OUTAGE BACKUP: Permanent schedule retention. Super-capacitor provides 4 days of real time backup. ENCLOSURE: Plastic Indoor/Outdoor NEMA 3R with lockable hasp. BRAND EQUIVALENT: Intermatic ET8115C, ET8215CR MANUFACTURER: Tork, UPC: 786261824714 CONTACT RATINGS: GENERAL PURPOSE: 24-277VAC. Rating NO: 40A INDUCTIVE: 120-277VAC. Rating NO: 40A BALLAST: 120VAC. Rating NO: 30A 208-277VAC. Rating NO: 20A TUNGSTEN: 120VAC. Rating NO: 15A PILOT DUTY: 120-277VAC. Rating NO: 720VA MOTOR LOAD: 120VAC. Rating NO: 1HP 208VAC. Rating NO: 1.5 HP 240-277VAC. Rating NO: 2HP RESISTIVE: 28VDC. Rating NO: 30A
Contact Rating 120-277 VAC
Enclosure NEMA 3R Plastic Indoor-Outdoor With Locking Hasp
Environmental Conditions -40 to + 149 F
Frequency Rating 50-60


Height 8.3120
Height Unit IN
Initiation Contact
Item Status A
Length 3.0620
Length UOM IN
Mfr. # EWZ120
Mounting Screw Mount
Number Of Poles 1
Operating Temperature -40 to + 149 F
Phase 1
Size L=5.062 - H-8.312 - W=3.062
Special Features 20 On-Off Set Points - Daylight Savings Auto - Leap Year Automatic Compensation
Standard cULus
Sub-Brand Digital Time Controls
Timing Range 0-168
Type 7 Day Astronomic Time Switch - 1 Or 2 Channel
UNSPSC 39121523
Width 5.0620
Width UOM IN