Load Derating

A load derating applies when multiple devices are installed in an electrical box. The derating for the device is determined by the number of devices and their location within the box.

Single: One device in a 1-gang electrical box.
Side Position: A device placed in the left or right side of a 2-gang or larger electrical box.
Middle Position: A device placed between two other devices in a 3-gang or larger electrical box.

Refer to the table below for the device derating information.

	Device Location
Device	Single	Side Position	Middle Position
CLW-DELVEX-230-E, CLW-DELVEX-230-P	500 VA	400 VA	250 VA
CLW-DELVEX-277-P	500 VA	400 VA	250 VA
CLW-DELVEX-E, CLW-DELVEX-P	500 VA	400 VA	250 VA
CLW-DIMEX-230-E, CLW-DIMEX-230-P	1000 VA	800 VA	400 VA
CLW-DIMEX-277-E, CLW-DIMEX-277-P	1200 VA	800 VA	600 VA
CLW-DIMEX-E, CLW-DIMEX-P	750 VA	600 VA	400 VA
CLW-DIMFLVEX-E, CLW-DIMFLVEX-P	No derating¹	No derating¹	No derating¹
CLW-DIMSWEX-E, CLW-DIMSWEX-P	500 VA	400 VA	250 VA
CLW-DIMUEX-P	600 VA	500 VA	300 VA
CLW-SWEX-230-E, CLW-SWEX-230-P, CLW-SWEX-277-P, CLW-SWEX-E, CLW-SWEX-P	No derating¹	No derating¹	No derating¹
HZ-DIMUEX	600 VA	500 VA	300 VA
HZ-DIMEX	750 VA	600 VA	300 VA
HZ-DIMLVEX	No derating²	No derating²	No derating²
HZ-SWEX	No derating²	No derating²	No derating²

The maximum environmental temperature for the CLW-DIMFLVEX and CLW-SWEX is 104° F (40° C).
The maximum environmental temperature for the HZ-DIMLVEX and HZ-SWEX is 86° F (30° C).

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