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Storage
The unit should be stored in a clean, dry environment. Storage temperature is -40
o
C (-40
o
F) to +60
o
C (+140
o
F).
Avoid exposing the unit to areas of high condensation. All of the packaging materials should be left intact until the
unit is ready for installation. If the unit has been stored for an extended period of time, it may be necessary to clean
the unit and make a complete inspection of the unit prior to having it installed and placing it into service.
LOCATION CONSIDERATIONS
Environment
The SPD is designed to operate indoors in an ambient temperature range of -40
o
C (-40
o
F) to +60
o
C (+140
o
F) with
a relative humidity of 0% to 95% non-condensing. The standard unit is in a Type 1 industrial use enclosure intended
for indoor use. Primarily, it provides a degree of protection against contact with the enclosed equipment. It should not
be installed in areas with excessive dust, flammable materials, corrosive vapors or explosive atmospheres.
Audible Noise
The unit background noise is negligible, and does not restrict the location of the installation.
Mounting and Cabinet Data
For planning purposes, the PMH3XLM is designed to be wall mounted. The unit size is as shown in Figure 1, and
weighs 17 pounds (7.71 kg). Shipping weight is 19 pounds (8.618 kg).
**Surge Protection Devices are designed for use on the load side
of the service entrance disconnect only**
Service Clearance
In addition to national and local code requirements, 36 inches of service clearance is needed at the front of the SPD.
Page 2
6.0"
(15.24 cm)
8.75"
(22.22 cm)
* Mounting Holes
are 5/16" (7.11 mm)
* Unit Weight is
17 lbs. (7.71 kg)
8.0"
(20.32 cm)
8.0"
(20.32 cm)
Figure 1. SPD Mounting Requirements
Display
Board
9.5"
(24.13 cm)
(13.97 cm)
5.5"D