Tork TU40 Quick Start Manual Download Page 1

MODEL#: 

TU40    

 

FEATURES:

Real-Time Clock Face with  

• 

OFF/AUTO/ON Override Switch

Captive Trippers

• 

15 Minute Intervals

• 

NEMA 3R Plastic Indoor/Outdoor 

• 

Enclosure

Green LED Indicates power

• 

Red LED indicates load status

• 

40 AMP DPDT Contacts

• 

8-18 AWG Screw Terminals

• 

OUTPUT:

DPDT, Dry Contacts (Unpowered) all in one may also be used for SPST, SPDT, DPST

CONTACT RATINGS:

NO CONTACTS:

40 AMPS RESISTIVE @ 120-277 VAC

30 AMPS INDUCTIVE @ 120-277 VAC

1HP, 30FLA, 90LRA @ 120 VAC

2HP, 20FLA, 60 LRA @ 240 VAC

30 AMPS BALLAST @ 120 VAC

20 AMPS BALLAST @ 277 VAC

15 AMPS TUNGSTEN @ 120 VAC

5 AMPS TUNGSTEN @ 250 VAC

20 AMPS RESISTIVE @ 28 VDC

720 VA PILOT DUTY @ 120-240 VAC

30 AMPS MAX ABOVE 104°F

NC CONTACTS:

30 AMPS RESISTIVE @ 120-277 VAC

15 AMPS INDUCTIVE @ 120-277 VAC

1/4HP, 12FLA, 30 LRA @ 120 VAC

1/2HP, 12FLA, 33 LRA @ 240 VAC

10 AMPS BALLAST @ 120-277 VAC

290 VA PILOT DUTY @ 120VAC

360 VA PILOT DUTY @ 240 VAC

OPERATING TEMP:

-31°F to 116°F (-35°C to +47°C) Relative Humidity is 10% to 95%

TIMER SUPPLY:

120/208-240/277VAC, 60Hz Detects voltage automatically 

(NO DIP SWITCH SETTING REQUIRED)

POWER CONSUMPTION:

6VA Max @ 120VAC

INSTALLATION & WIRING DIAGRAMS

UNIT IS TO BE INSTALLED BY A  

LICENSED ELECTRICIAN

Mount the enclosure at eye level using screws or 

1. 

other suitable fastening device. Bring supply and 

load wires in through bottom or side knockouts.

Wire as per typical wiring diagram below, and 

2. 

follow all local and NEC codes.

To ensure proper connection to the terminal 

3. 

block, turn the screw fully counterclockwise 

before inserting wires.  Firmly fasten the screw 

terminal 

SETTING ON/OFF TIMES

The timer has 96 tabs which can turn loads ON or OFF every 15 minutes. Push tabs outward to turn the load ON,  

1. 

and pull them inwards to turn the load OFF for the desired ON and OFF durations.

Rotate dial clockwise to set the time. Align time with arrow. DO NOT ATTEMPT TO SET THE TIME BY USING  

2. 

THE MINUTE HAND IN THE CENTER OF THE DIAL. 

Automatic operation: To execute the programmed schedule, set the selector switch to the center position.  

3. 

(Shown by clock symbol)

MANUAL OVERRIDE: Set the switch to the “I” position to turn the load permanently ON. 

4. 

Set the switch to the “0” position to turn the load permanently OFF.

TORK, INC. • 877.230.7874 • www.nsiindustries.com

®

UNIVERSAL MULTI-VOLTAGE 

ELECTROMECHANICAL TIME SWITCH

A DIVISION OF

                        

NSi INDUSTRIES, LLC  

Use copper wire AWG 8-18 suitable for 90°C. WIRING TO COMPLY WITH ALL LOCAL AND NA-

TIONAL ELECTRICAL CODES. Bonding between conduit connection is not automatic and must 

be provided as part of the installation. THE ENCLOSURE MUST BE PROPERLY GROUNDED. 

Minimum 10.6 lb. in. torque required at the terminals to ensure proper connections. Strip the 

supply and load wires to 1/2”.

BVUP.BEKVTUJOH!NVMUJ.WPMUBHF

HFOFSBM!QVSQPTF!UJNF!TXJUDI!

Multi-Voltage unit automatically adjusts for 

timer supply voltage (120,208-240,277 VAC.) 

NO USER-ADJUSTMENT REQUIRED. 

    

TORK       

          

TU40 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 

 

 

 

 

 

 

 

 

 

Sfbm.Ujnf!Dmpdl!Gbdf!xjui!
PGG0BVUP0PO!Pwfssjef!Txjudi!
Dbqujwf!Usjqqfst!
26!Njovuf!Joufswbmt!
OFNB!4S!Pvuepps!Fodmptvsf!
Hsffo!MFE!Joejdbuft!qpxfs!
Sfe!MFE!joejdbuft!mpbe!tubuvt!
51!BNQ!EQEU!Dpoubdut!
$9.29!BXH!Tdsfx!Ufsnjobmt!

OP!DPOUBDUT;!

51!BNQT!SFTJTUJWF!A!231.388!WBD!
41!BNQT!JOEVDUJWF!A!231.388!WBD!
2IQ-!41GMB-!:1MSB!A!231!WBD!
3IQ-!31GMB-!71!MSB!A!351!WBD!
41!BNQT!CBMMBTU!A!231!WBD!
31!BNQT!CBMMBTU!A!388!WBD!
26!BNQT!UVOHTUFO!A!231!WBD!
6!BNQT!UVOHTUFO!A!361!WBD!
31!BNQT!A!39!WED!
831!WB!QJMPU!EVUZ!A!231.351!WBD!
41!BNQT!NBY!BCPWF!215

°

G!

OD!DPOUBDUT;!

41!BNQT!SFTJTUJWF!A!231.388!WBD!
26!BNQT!JOEVDUJWF!A!231.388!WBD!
205IQ-!23GMB-!41MSB!A!231!WBD!
203IQ-!23GMB-!44!MSB!A!351!WBD!
21!BNQT!CBMMBTU!A!231.388!WBD!
3:1!WB!QJMPU!EVUZ!A!231WBD!
471!WB!QJMPU!EVUZ!A!351!WBD!

 

DPOUBDU!SBUJOHT;

H

N

L

N

N C

N O

C

L

N

L O A D

N C

N O

C

L

N

T U 4 0  W IR IN G  D IA G R A M S

T y p ica l W irin g  D ia g ra m , 1 2 0 / 2 7 7  V A C  A p p lica tio n

H

N

L 1

L 2

N C

N O

C

L 1

N C

N O

C

L 2

T y p ica l W irin g  D ia g ra m , 2 0 8 / 2 4 0  V A C  A p p lica tio n

S U P P L Y

T IM E R

T IM E R

S U P P L Y

L O A D

L O A D

 

PQFSBUJOH!UFNQFSBUVSF;!.42

°

G!up!227

°

G!

SFMBUJWF!IVNJEJUZ!21&!.!:6&!

JOTUBMMBUJPO!
VOJU!JT!UP!CF!JOTUBMMFE!CZ!B!MJDFOTFE!FMFDUSJDJBO!

2/!Npvou!uif!fodmptvsf!bu!fzf!mfwfm!vtjoh!tdsfxt!ps!puifs!
tvjubcmf!gbtufojoh!efwjdf/!Csjoh!tvqqmz!boe!mpbe!xjsft!jo!
uispvhi!cpuupn!ps!tjef!lopdlpvut/!
3/!Xjsf!bt!qfs!uzqjdbm!xjsjoh!ejbhsbn!cfmpx-!boe!gpmmpx!bmm!
mpdbm!boe!OFD!dpeft/!
4/!Up!fotvsf!qspqfs!dpoofdujpo!up!uif!ufsnjobm!cmpdl-!uvso!uif!
tdsfx!gvmmz!dpvoufsdmpdlxjtf!cfgpsf!jotfsujoh!xjsft/!!Gjsnmz!
gbtufo!uif!tdsfx!ufsnjobm!dmpdlxjtf!bgufs!jotfsujoh!uif!xjsft/
!

SETTING ON/OFF TIMES 

2/!Uif!ujnfs!ibt!:7!ubct!xijdi!dbo!uvso!mpbet!PO!ps!PGG!
fwfsz!36!njovuft/!Qvti!ubct!pvuxbse!up!uvso!uif!mpbe!PO-!boe!
qvmm!uifn!joxbset!up!uvso!uif!mpbe!PGG!gps!uif!eftjsfe!PO!
boe!PGG!evsbujpot/!
3/!Spubuf!ejbm!dmpdlxjtf!up!tfu!uif!ujnf/!!EP!OPU!BUUFNQU!
UP!TFU!UIF!UJNF!CZ!VTJOH!UIF!NJOVUF!IBOE!JO!UIF!
DFOUFS!PG!UIF!EJBM/!!
4/!NBOVBM!PWFSSJEF;!!Up!fyfdvuf!uif!
qsphsbnnfe!tdifevmf-!tfu!uif!tfmfdups!txjudi!up!!
uif!dfoufs!qptjujpo/!!Tfu!uif!txjudi!up!uif!

“I”

qptjujpo!

up!uvso!uif!mpbe!qfsnbofoumz!PO/!!Tfu!ju!up!uif!

“O”

!

qptjujpo!up!tfu!uif!mpbe!qfsnbofoumz!PGG/!

LI-831(A)

PATENT PENDING 

NSi Industries, LLC 

 USA 

 800.321.5847 

 www.nsiindustries.com

H

N

L

N

NC

NO

C

L

N

LOAD

NC

NO

C

L

N

Typical Wiring Diagram, 120/277 VAC Application

H

N

L1

L2

NC

NO

C

L1

NC

NO

C

L2

Typical Wiring Diagram, 208/240 VAC Application

TIMER

SUPPLY

TIMER

SUPPLY

LOAD

LOAD

Reviews: