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HVAC Drive H300 55
Issue Number: 3
Figure 3-43 Example of IP55 (NEMA 12) size 9 to 11 through-panel layout
The main gasket should be installed as shown in Figure 3-38. Any screws / bolts that are used for mounting should be installed with M8 flat nylon
washers to maintain a seal around the screw hole.
See Figure 3-44 on page 56, sealing clamps are supplied in the through panel mounting kit to aid compression of the gasket.
The heatsink fans have conformal coated PCBs and have sealant at cable entry points. Dripping, splashing or sprayed water can impede the
operation of the fan, therefore if the environment is such that the fan may be subjected to more than occasional dripping or sprayed water while
operational, then suitable drip protection covers should be employed.
IP20
(NEMA1)
IP55 (NEMA 12)
enclosure
Gasket seal provides
IP55 rated barrier to
maintain enclosure
rating after drive is
fitted.
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