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Power Input
Hot
Fuse
Figure 4.6
Example of wiring connections for
ETR-3200-1321
SSR Output with Alarm
Power Input
Hot
Neutral
Fuse
2 3 4
1
9 10 11 12 13 14
8
(Red) –
Figure 4.7
Example of wiring connections for
ETR-3200-1221 with three phase Delta
Heater Load and Alarm/Cooling
2 3 4
1
ALM 1
9 10 11 12 13 14
8
(Red) –
T/C
Alarm/Cooling Output
3 A/240VAC max
5
6 7
ALM 1
OUT 1
T/C
Alarm/Cooling
Output
3A/240VAC max
5
6 7
–
OUT 1
This diagram can also be used
for controls with 4-20mA output.
o
Three Phase
Heaters
o
o
Heater Power
L
N
Heater
Fuse
2
1
Solid State
Relay
+
3
4
Three Pole
Magnetic
Coil
Contactor
o
o
o
o
o
o
Heater
Fuses
NOTE: The use of motor starters in place of
magnetic contactors should be avoided. They
have very large inductive loads that can
damage the controller's relay.
Load
Three
Phase
Power
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