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Part #TORK SS703Z 15AMP 120/277VAC SPST 7DAY IN-WALL ASTRONOMIC DIGITAL TIMER (10)ON/OFF SET POINTS WHITE (WAS SS700Z) NSI Tork® Time Switch, 3 -Way Sunrise/Sunset On/Off, Series: SS703Z, Operation Mode: 7 days, 120 VAC, 15 A, 0.5 hp, 1 Pole, 1/
MFG #SS703Z
7 in Stock. More available 03/06/2026
$134.55/EA
Part #TORK 2000-2 3470/4620WATT 208/277VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN FIXED POSITION NSI Tork® Fixed Position Photocontrol, Stem, Series: 2000, 208 to 277 VAC, 50/60 Hz, 3470 to 4620 W Tungsten, 2080 to 2770 VA Ballast
MFG #2000-2
2 in Stock. More available 03/07/2026
$43.62/EA
Part #TORK TU40 40AMP 120/277VAC 24HOUR TIME CLOCK AUTOMATIC INPUT VOLTAGE DETECTION (4-IN-1)CONTACTS DPDT SPST SPDT DPST (96)CAPTIVE TRIPPERS NEMA3R NSI Tork® Mechanical Time Switch, ON/OFF, Series: TU40, Operation Mode: 24 hr, 120/208/240/277
MFG #TU40
9 in Stock. More available 03/06/2026
$262.46/EA
Part #TORK TA598 TRANSFORMER TPX57-0040H II-120V NSI Tork® Alert Signaling Device Transformer, Tri-Volt, 120 VAC Primary, 8/16/24 VAC Secondary, 20 to 30 VA Power, 50/60 Hz Frequency, 1 ph, Threaded Mounting, 2-1/2 in L x 2-5/16 in W x 2-3/16 in
MFG #TA598
1 in Stock. More available 03/07/2026
$71.94/EA
Part #TORK 101 REPLACEMENT MOTOR 120V, 60HZ NSI Replacement Enclosed Motor, 1-Phase, 120 VAC, 60 Hz, For Use With: 1100, 7100, 7200, 7300, W100, W200 and W300 Series Time Switch and Mechanical Time Clock
MFG #101
8 in Stock. More available 03/07/2026
$86.03/EA
Part #TORK 2008B 480V 1000W QUICK RESPONSE TURNLOCK NSI Tork® Photocontrol, Electronic Instant Response, 400 to 550 VAC, 4 A, 50/60 Hz Frequency, 1000 W Tungsten, 1800 VA Ballast, 360 J Arrester, Instant On and 3 to 5 s Off Timing, Molded Sealed
MFG #2008B
4 in Stock. More available 03/07/2026
$120.15/EA
Part #TORK HPS30 STARTER FOR HIGH PRESSURE SODIUM LAMPS NSI TORK® HPS Starter, 105 to 347 VAC Line Voltage, 9 in Lead, -40 to 221 F Operating Temperature, 2-3/4 in W x 1-1/2 in H
MFG #HPS30
5 in Stock. More available 03/07/2026
$119.25/EA
Part #TORK 2002 3470/4620WATT 208/277VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN SWIVEL POSITION NSI Tork® Photocontrol, Stem, Series: 2001, 208 to 277 VAC, 50/60 Hz Frequency, 3470 to 4620 W Tungsten, 2080 to 2770 VA Ballast, SPST
MFG #2002
2 in Stock. More available 03/07/2026
$49.35/EA
Part #TORK 2021 2000WATT 120VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN 180DEG SWIVEL NSI Tork® Photocontrol, Pencil, Series: 2020, 120 VAC, 50/60 Hz Frequency, 2000 W Tungsten, 1800 VA Ballast, SPST Contact Form, 2 min Timing, 16
MFG #2021
14 in Stock. More available 03/06/2026
$42.18/EA
Part #TORK P69 SCREW ON TYPE TRIPPERS 7 DAY DIALS EXCEPT W400A (7PC SETS) TORK NSI Tork® Time Switch Tripper, On/Off, For Use With: W Series Mechanical Time Switches, Screw-On Mounting
MFG #P69
43 in Stock. More available 03/07/2026
$55.48/EA
Part #TORK 5237-UL TURNLOCK LED ELECTRONIC 105-305V IR PHOTOCELL NSI Tork® Photocontrol, Electronic Instant Response Utility Grade, 105 to 305 VAC, 50/60 Hz Frequency, 1000 W Tungsten, 1800 VA Ballast, 360 J Arrester, 3 to 5 s Timing, Molded Sea
MFG #5237-UL
431 in Stock. More available 03/10/2026
$31.42/EA
Part #TORK TA740 LIGHT DUTY BELL 16VAC 6VDC MAX 2 1/2" NSI TORKALERTâ„¢ Bell and Buzzer, Light Duty General Purpose, 8 to 16 VAC, 3 to 6 VDC, 1 A, 78 dB at 10 ft Sound Level, 2-1/2 in Gong, Snap Mounting, Steel, Silver, 3 in H x 2-1/2 in W x
MFG #TA740
1 in Stock. More available 03/07/2026
$45.94/EA
Part #TORK P47 TRIPPERS SET OF (1)ON/OFF FOR ALL 1100 SERIES AND AS EXTRA SET FOR 7000 SERIES NSI Replacement Tripper, On/Off Standard Screw-On, For Use With: 24 hr Dial, Silver
MFG #P47
3 in Stock. More available 03/06/2026
$9.23/EA
Part #TORK 2001 2000WATT 120VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN SWIVEL POSITION NSI Photocontrol, Series: 2000, 120 VAC, 50/60 Hz, 2000 W Tungsten, 1800 VA Ballast, SPST, 2 min, 16 AWG Wire, Cadmium Sulfide Cell Sensor, 1 to 5 FC (ON)
MFG #2001
28 in Stock. More available 03/06/2026
$44.24/EA
Part #TORK TA09 REMOTE CONTROL DOOR OPENER 1-9/16" NSI TORKALERTâ„¢ Remote Opener, Mortise, 8 to 16 VAC, 3 to 6 VDC, For Use With: TA591/TA592 Transformer, Electric Door Openers, Remote Controller, Mortise Entrance Locks, 0.95 to 1.75/1.25 t
MFG #TA09
3 in Stock. More available 03/07/2026
$137.52/EA
Part #TORK TA502 ELECTRIC DOOR SWITCH 125/250V NC NSI Electric Door Switch, 125/250 VAC, 6 A, 1NC, On/Off, 3.875 in H x 1.25 in W x 2 in D
MFG #TA502
8 in Stock. More available 03/07/2026
$48.58/EA
Part #TORK 3000 2000WATT 120VAC SPST FLUSH MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN LEXAN 3/8"NPT 3/4" POST MOUNT .6875" HOLE STEM NSI Photocontrol, Button, Series: 3000, 120 VAC, 50/60 Hz Frequency, 2000 W Tungsten, 1200 VA Ballast, 1NC-SPST Contact Form, 2 mi
MFG #3000
41 in Stock. More available 03/06/2026
$33.41/EA
Part #TORK A530MW 20AMP 120/277VAC 30MINUTE SPRINGWOUND WALL SWITCH NO HOLD WHITE STANDARD OR DECORATOR PLATE NOT INCLUDED NSI Tork® Spring Wound Timer, Auto Off Interval Mechanical, Series: A Series, Operation Mode: 30 min, 125/250/277 VAC, 20/
MFG #A530MW
2 in Stock. More available 03/07/2026
$81.95/EA
Part #TORK 2129A 120/208-277 PHOTO CONTROL (REPLACEMENT FOR 2104, 2101) NSI Photocontrol, Stem, Series: 2100 Series, CFL Fixture, 120/208 to 277 VAC, 50/60 Hz, 2000/3470 to 4620 W Tungsten, 1800/2080 to 2770 VA Ballast, 2 min, 6 in Wire, Cadmium Sulfide Ce
MFG #2129A
15 in Stock. More available 03/06/2026
$77.09/EA
Part #TORK P49 TIMER TRIPPER SPECIAL TRIPPER FOR 7000 & 1800 NSI Tork® Time Switch Tripper, On/Off, For Use With: 7000 Dial Mechanical Time Switch, Screw-On Mounting
MFG #P49
5 in Stock. More available 03/07/2026
$8.91/EA
Part #TORK A560MW 20AMP 120/277VAC 60MINUTE SPRINGWOUND WALL SWITCH NO HOLD WHITE STANDARD OR DECORATOR PLATE NOT INCLUDED NSI Tork® Spring Wound Timer, Auto Off Interval Mechanical, Series: A Series, Operation Mode: 60 min, 125/250/277 VAC, 20/
MFG #A560MW
5 in Stock. More available 03/07/2026
$81.95/EA
Part #TORK 652B PHOTO WP PLUG IN 2 GROUNDED OUTLET B NSI TORK® Plug-In Timer, Photo, Series: 650B, Operation Mode: Automatic ON/OFF, 125 VAC, 15 A, 1/3 hp, 1 Pole, 24 hr, 7 days Sunset Timer Time Setting, Plug Mounting
MFG #652B
Part #TORK 1109A-O 24 HOUR TIME SWITCH 120-277V SPST OUTDOO NSI Tork® Mechanical Timer, 1-Phase, Operation Mode: On/Off, 120/208 to 277 VAC, 40 A, 2 hp, 5 hp, 2 Pole, DPST Contact Form, 24 hr Time Setting, NEMA 3 Enclosure, -40 to 165 deg F, Thr
MFG #1109A-O
Part #TORK TA600 8-24VAC ROUND PUSHBUTTON POLISHED BRASS NSI TORKALERTâ„¢ Non-Illuminated Pushbutton, Heavy Duty Oil/Watertight Round, 2-1/4 in Dia, 2 Positions, Threaded Mount, Polished, Brass
MFG #TA600
Part #TORK SS703Z 15AMP 120/277VAC SPST 7DAY IN-WALL ASTRONOMIC DIGITAL TIMER (10)ON/OFF SET POINTS WHITE (WAS SS700Z) NSI Tork® Time Switch, 3 -Way Sunrise/Sunset On/Off, Series: SS703Z, Operation Mode: 7 days, 120 VAC, 15 A, 0.5 hp, 1 Pole, 1/
MFG #SS703Z
7 in Stock. More available 03/06/2026
$134.55/EA
Part #TORK 2000-2 3470/4620WATT 208/277VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN FIXED POSITION NSI Tork® Fixed Position Photocontrol, Stem, Series: 2000, 208 to 277 VAC, 50/60 Hz, 3470 to 4620 W Tungsten, 2080 to 2770 VA Ballast
MFG #2000-2
2 in Stock. More available 03/07/2026
$43.62/EA
Part #TORK TU40 40AMP 120/277VAC 24HOUR TIME CLOCK AUTOMATIC INPUT VOLTAGE DETECTION (4-IN-1)CONTACTS DPDT SPST SPDT DPST (96)CAPTIVE TRIPPERS NEMA3R NSI Tork® Mechanical Time Switch, ON/OFF, Series: TU40, Operation Mode: 24 hr, 120/208/240/277
MFG #TU40
9 in Stock. More available 03/06/2026
$262.46/EA
Part #TORK TA598 TRANSFORMER TPX57-0040H II-120V NSI Tork® Alert Signaling Device Transformer, Tri-Volt, 120 VAC Primary, 8/16/24 VAC Secondary, 20 to 30 VA Power, 50/60 Hz Frequency, 1 ph, Threaded Mounting, 2-1/2 in L x 2-5/16 in W x 2-3/16 in
MFG #TA598
1 in Stock. More available 03/07/2026
$71.94/EA
Part #TORK 101 REPLACEMENT MOTOR 120V, 60HZ NSI Replacement Enclosed Motor, 1-Phase, 120 VAC, 60 Hz, For Use With: 1100, 7100, 7200, 7300, W100, W200 and W300 Series Time Switch and Mechanical Time Clock
MFG #101
8 in Stock. More available 03/07/2026
$86.03/EA
Part #TORK 2008B 480V 1000W QUICK RESPONSE TURNLOCK NSI Tork® Photocontrol, Electronic Instant Response, 400 to 550 VAC, 4 A, 50/60 Hz Frequency, 1000 W Tungsten, 1800 VA Ballast, 360 J Arrester, Instant On and 3 to 5 s Off Timing, Molded Sealed
MFG #2008B
4 in Stock. More available 03/07/2026
$120.15/EA
Part #TORK HPS30 STARTER FOR HIGH PRESSURE SODIUM LAMPS NSI TORK® HPS Starter, 105 to 347 VAC Line Voltage, 9 in Lead, -40 to 221 F Operating Temperature, 2-3/4 in W x 1-1/2 in H
MFG #HPS30
5 in Stock. More available 03/07/2026
$119.25/EA
Part #TORK 2002 3470/4620WATT 208/277VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN SWIVEL POSITION NSI Tork® Photocontrol, Stem, Series: 2001, 208 to 277 VAC, 50/60 Hz Frequency, 3470 to 4620 W Tungsten, 2080 to 2770 VA Ballast, SPST
MFG #2002
2 in Stock. More available 03/07/2026
$49.35/EA
Part #TORK 2021 2000WATT 120VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN 180DEG SWIVEL NSI Tork® Photocontrol, Pencil, Series: 2020, 120 VAC, 50/60 Hz Frequency, 2000 W Tungsten, 1800 VA Ballast, SPST Contact Form, 2 min Timing, 16
MFG #2021
14 in Stock. More available 03/06/2026
$42.18/EA
Part #TORK P69 SCREW ON TYPE TRIPPERS 7 DAY DIALS EXCEPT W400A (7PC SETS) TORK NSI Tork® Time Switch Tripper, On/Off, For Use With: W Series Mechanical Time Switches, Screw-On Mounting
MFG #P69
43 in Stock. More available 03/07/2026
$55.48/EA
Part #TORK 5237-UL TURNLOCK LED ELECTRONIC 105-305V IR PHOTOCELL NSI Tork® Photocontrol, Electronic Instant Response Utility Grade, 105 to 305 VAC, 50/60 Hz Frequency, 1000 W Tungsten, 1800 VA Ballast, 360 J Arrester, 3 to 5 s Timing, Molded Sea
MFG #5237-UL
431 in Stock. More available 03/10/2026
$31.42/EA
Part #TORK TA740 LIGHT DUTY BELL 16VAC 6VDC MAX 2 1/2" NSI TORKALERTâ„¢ Bell and Buzzer, Light Duty General Purpose, 8 to 16 VAC, 3 to 6 VDC, 1 A, 78 dB at 10 ft Sound Level, 2-1/2 in Gong, Snap Mounting, Steel, Silver, 3 in H x 2-1/2 in W x
MFG #TA740
1 in Stock. More available 03/07/2026
$45.94/EA
Part #TORK P47 TRIPPERS SET OF (1)ON/OFF FOR ALL 1100 SERIES AND AS EXTRA SET FOR 7000 SERIES NSI Replacement Tripper, On/Off Standard Screw-On, For Use With: 24 hr Dial, Silver
MFG #P47
3 in Stock. More available 03/06/2026
$9.23/EA
Part #TORK 2001 2000WATT 120VAC SPST 1/2" CONDUIT MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN SWIVEL POSITION NSI Photocontrol, Series: 2000, 120 VAC, 50/60 Hz, 2000 W Tungsten, 1800 VA Ballast, SPST, 2 min, 16 AWG Wire, Cadmium Sulfide Cell Sensor, 1 to 5 FC (ON)
MFG #2001
28 in Stock. More available 03/06/2026
$44.24/EA
Part #TORK TA09 REMOTE CONTROL DOOR OPENER 1-9/16" NSI TORKALERTâ„¢ Remote Opener, Mortise, 8 to 16 VAC, 3 to 6 VDC, For Use With: TA591/TA592 Transformer, Electric Door Openers, Remote Controller, Mortise Entrance Locks, 0.95 to 1.75/1.25 t
MFG #TA09
3 in Stock. More available 03/07/2026
$137.52/EA
Part #TORK TA502 ELECTRIC DOOR SWITCH 125/250V NC NSI Electric Door Switch, 125/250 VAC, 6 A, 1NC, On/Off, 3.875 in H x 1.25 in W x 2 in D
MFG #TA502
8 in Stock. More available 03/07/2026
$48.58/EA
Part #TORK 3000 2000WATT 120VAC SPST FLUSH MOUNT PHOTOCONTROL ON/DUSK OFF/DAWN LEXAN 3/8"NPT 3/4" POST MOUNT .6875" HOLE STEM NSI Photocontrol, Button, Series: 3000, 120 VAC, 50/60 Hz Frequency, 2000 W Tungsten, 1200 VA Ballast, 1NC-SPST Contact Form, 2 mi
MFG #3000
41 in Stock. More available 03/06/2026
$33.41/EA
Part #TORK A530MW 20AMP 120/277VAC 30MINUTE SPRINGWOUND WALL SWITCH NO HOLD WHITE STANDARD OR DECORATOR PLATE NOT INCLUDED NSI Tork® Spring Wound Timer, Auto Off Interval Mechanical, Series: A Series, Operation Mode: 30 min, 125/250/277 VAC, 20/
MFG #A530MW
2 in Stock. More available 03/07/2026
$81.95/EA
Part #TORK 2129A 120/208-277 PHOTO CONTROL (REPLACEMENT FOR 2104, 2101) NSI Photocontrol, Stem, Series: 2100 Series, CFL Fixture, 120/208 to 277 VAC, 50/60 Hz, 2000/3470 to 4620 W Tungsten, 1800/2080 to 2770 VA Ballast, 2 min, 6 in Wire, Cadmium Sulfide Ce
MFG #2129A
15 in Stock. More available 03/06/2026
$77.09/EA
Part #TORK P49 TIMER TRIPPER SPECIAL TRIPPER FOR 7000 & 1800 NSI Tork® Time Switch Tripper, On/Off, For Use With: 7000 Dial Mechanical Time Switch, Screw-On Mounting
MFG #P49
5 in Stock. More available 03/07/2026
$8.91/EA
Part #TORK A560MW 20AMP 120/277VAC 60MINUTE SPRINGWOUND WALL SWITCH NO HOLD WHITE STANDARD OR DECORATOR PLATE NOT INCLUDED NSI Tork® Spring Wound Timer, Auto Off Interval Mechanical, Series: A Series, Operation Mode: 60 min, 125/250/277 VAC, 20/
MFG #A560MW
5 in Stock. More available 03/07/2026
$81.95/EA
Part #TORK 652B PHOTO WP PLUG IN 2 GROUNDED OUTLET B NSI TORK® Plug-In Timer, Photo, Series: 650B, Operation Mode: Automatic ON/OFF, 125 VAC, 15 A, 1/3 hp, 1 Pole, 24 hr, 7 days Sunset Timer Time Setting, Plug Mounting
MFG #652B
Part #TORK 1109A-O 24 HOUR TIME SWITCH 120-277V SPST OUTDOO NSI Tork® Mechanical Timer, 1-Phase, Operation Mode: On/Off, 120/208 to 277 VAC, 40 A, 2 hp, 5 hp, 2 Pole, DPST Contact Form, 24 hr Time Setting, NEMA 3 Enclosure, -40 to 165 deg F, Thr
MFG #1109A-O
Part #TORK TA600 8-24VAC ROUND PUSHBUTTON POLISHED BRASS NSI TORKALERTâ„¢ Non-Illuminated Pushbutton, Heavy Duty Oil/Watertight Round, 2-1/4 in Dia, 2 Positions, Threaded Mount, Polished, Brass
MFG #TA600