Specification

Energy Controls
T170, T1400 & T1800 Series
Diagrams
Model T171 SPST
T171CR
120 VAC
Input
Line 1
Neutral
To Load
A 1 2
Clock
Motor
Equipment
Ground
Model T173 DPST
T173R
T173CR
120 VAC
Input
Equipment
Ground
Line 1
Neutral
Clock
Motor
To
Loads
A 1 2 3 4
Model T175 or T176R (1N.O./1N.C.)
Equipment
Ground
Clock
Motor
To N.0.
Load
A 1 2 3 4
120 VAC
or
208-277
VAC Input
Neutral/Line
Line
Jumper
See Note 3
NOTES:
1. For Single Pole Normally Open Operation - See Diagram
2. For Single Pole Normally Closed operation - Move motor lead from Terminal 3
to Terminal 2. Connect LINE to Terminal 2 and LOAD to Terminal 1.
3. For Single Pole Double Throw operation - Install JUMPER between Terminals 2
and 3; Connect LINE to Terminal 2; N.O. LOAD to Terminal 4 and N.C. LOAD to Terminal 1.
Connect COMMON to Terminal A.
Model T172 SPST
208-277 VAC
Input
To Load
A 1 2
Clock
Motor
Equipment
Ground
Model T174 DPST
T174R
T174CR
Equipment
Ground
Clock
Motor
To
Loads
A 1 2 3 4
Line 1
Line 2
208-277 VAC
Input
7 ¾"
3"
5"
[12.70 cm]
[7.62 cm]
[19.69 cm]
9
5 ½"
[9.21 cm]
[13.97 cm]
[23.81 cm]
3
8
⁄
"
3
5
8
⁄
"
T1470BR & T1470BCR Series 4PST
Equipment
Ground
Clock
Motor
Clock Motor
Supply
To Load(s)
A 1 2 3 4
B
5 6 7 8
Supply
T1870BR & T1870BCR Series 2PDT 2N.O./2N.C.
Equipment
Ground
Clock
Motor
Clock Motor
Supply
To Load(s)
A 1 2 3 4
5 6 7 8
Supply
B
3
5
⁄8"
[9.21 cm]
9
3
⁄8"
[23.81 cm]
5
1
⁄2"
[12.70 cm]
Type 1 Enclosure
Type 3R Enclosure