Chromalox TUFF-TUBE PD437-4 - Manual (Page 3)

Cutout
Ground
120V or 240V
Control Circuit
Factory
Field
Green
Line Voltage
3 Pole Contactor
(Customer Supplied)
1
2
1
3
2
3
C1
C2
1
2
Cutout
Ground
Factory
Field
Green
120V Line Voltage
C2
C1
WIRING DIAGRAMS
1
2
C2
C1
Line Voltage
2 Pole Contactor
(Customer Supplied)
Cutout
Ground
Factory
Field
Green
120V or 240V
Control Circuit
Figure 3
Figure 4
Figure 5
Single Phase (All TPR Heaters)
Alt. Single Phase (TPR-101 Only)
Three Phase (TPF-302, -304, -402, -404)