–
+
White
Thermocouple
Heater
Relay
1
2
3
4
5
6
7
8
9
10
Control
Fuse
Incoming
Power
o
o
o
o
o
o
Coil
o
o
o
Three
Phase
Heater
Power
3-Pole
Magnetic
Contactor
NEMA
or
DP
Three Phase
Delta Heater
Load
Alarm
2 Amps
Maximum
Alarm
Relay
Heater
Fuses
Red
Figure 4.6
ETR-9090-121 with Relay Output.
Heaters connected in 3-Phase to Contactor.
With Alarm option.
Note control label for incoming power requirements.