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27
PX Cable Selection Chart 120V
Insulation Thickness 1/2” Min. 1” Min. 2” Min.
Pipe Material Metal PVC Metal PVC Metal PVC
Pipe Diameter
(Inches)
1/2 3W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
3/4 3W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
1 5W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
1 1/4 5W/ft 8W/ft 3W/ft 5W/ft 3W/ft 3W/ft
1 1/2 5W/ft 8W/ft 3W/ft 5W/ft 3W/ft 3W/ft
2 5W/ft 8W/ft 5W/ft 5W/ft 3W/ft 3W/ft
2 1/2 8W/ft 10W/ft 5W/ft 5W/ft 3W/ft 3W/ft
3 8W/ft 10W/ft 5W/ft 5W/ft 3W/ft 5W/ft
4 10W/ft 10W/ft* 5W/ft 8W/ft 3W/ft 5W/ft
6 10W/ft* 10W/ft* 8W/ft 10W/ft 5W/ft 5W/ft
8 - - 10W/ft 10W/ft* 5W/ft 8W/ft
PX Cable Selection Chart 240V
Insulation Thickness 1/2” Min. 1” Min. 2” Min.
Pipe Material Metal PVC Metal PVC Metal PVC
Pipe Diameter
(Inches)
1/2 3W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
3/4 3W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
1 5W/ft 5W/ft 3W/ft 3W/ft 3W/ft 3W/ft
1 1/4 5W/ft 8W/ft 3W/ft 5W/ft 3W/ft 3W/ft
1 1/2 5W/ft 8W/ft 3W/ft 5W/ft 3W/ft 3W/ft
2 5W/ft 8W/ft 5W/ft 5W/ft 3W/ft 3W/ft
2 1/2 8W/ft 10W/ft 5W/ft 5W/ft 3W/ft 3W/ft
3 8W/ft 10W/ft 5W/ft 5W/ft 3W/ft 5W/ft
4 10W/ft 10W/ft* 5W/ft 8W/ft 3W/ft 5W/ft
6 10W/ft* 10W/ft* 8W/ft 10W/ft 5W/ft 5W/ft
8 - - 10W/ft 10W/ft* 5W/ft 8W/ft
Danfoss PX
Self-Regulating Cables
Pipe Freeze Protection
Chart based on minimum ambient temperature -22°F (-30°C)
*Requires 2 runs
Chart based on minimum ambient temperature -22°F (-30°C)
*Requires 2 runs
Controls - See PG. 28
Accessories- See PG. 28