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Electronic Technician Assistant NEMA Enclosures
Installation and Operation Instructions
rev.
12/9/11
15557_Ins_NEMA
Mounting
Figure 5:
44X20X8 Overall and Mounting Hole Dimensions
Select a mounting location that conforms to the National Electric Code and local codes. BAPI recommends a minimum of
two 3/8 inch SAE grade 2 steel bolts to hold the enclosure to the mounting surface.
NEMA 1 Enclosures
Each backplate has four mounting studs welded into the enclosure to mount the backplate. Remove the four nuts and the
backplate. Drill through the back of the enclosure for your mounting fasteners. After attaching the enclosure to your
mounting surface place the backplate onto the studs in the desired orientation. Replace the nuts and torque to 16 foot-
pounds.
NEMA 4X Enclosures
Use the external mounting tabs to secure the enclosure to your mounting surface. DO NOT drill through the back of the
enclosure to mount it.
Note: Be sure to check local seismic codes for additional mounting requirements.
There are no conduit knockouts in any of the enclosures. Drill and punch for any conduit openings you require.
The Large Backplate (BP185X285) has punched holes to mount a variety of accessories, see Figure 4. As shown, at the
bottom of the plate, are two rows of holes for TRK18 Snaptrack and a row for a PAN16 Panduit Wire Duct. Along the right
edge are sets of holes for up to three Bracket Cable Guides (BCGs). If you need the BCGs on the left side, rotate and
mount the plate that way. The upper half of the plate has random holes that can be used to mount many different types of
controllers. You may add any holes you wish to the plate.
The Small Backplate (BP6X185) has punched holes to mount a variety of accessories. As shown, holes are available for
power supply snaptrack and user supplied transformers.
The Medium Backplate is only supplied with BAPI's 20 x 20 x 8 Enclosure and the hole pattern is shown in Figure 2.
Since you may wish to rotate the enclosure for left or right door opening, the divider plate is shipped loose. After mounting
the backplate in the orientation you desire screw the divider to the indicated row of holes with the self-tapping screws
provided. Power supplies and customer supplied transformers may be attached to the plate in the suggested positions.
TRK18 Snaptrack and PAN16 Panduit are accommodated in the suggested positions. You may add any holes you wish to
the plate.
Specifications subject to change without notice.
Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI 54631 USA
Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:sales@bapihvac.com • Web:www.bapihvac.com
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