MNBE-B, D, D3R, E Instructions
(continued)
Rev: A Page 5 of 10
Step 4:
Attach the top using six #10 x 3/8” Hex head SS
sheet metal screws. Four on the sides and two to
the back covers. Orient the top such that the 2”
knockout is located to the rear of the enclosure.
MNBE-D3R does not have this 2” knockout,
This top has no front or back orientation.
Step 4A (MNBE-D3R Only)
The MNBE-D3R is supplied with weather stripping to be applied around the door opening top
and sides and also on the left door lip.
Step 4B (MNBE-D3R Only)
Install outer covers as shown using four 10-32 X 3/8 Machine Screws from the inside. This is
easier before the doors are installed. Run a bead of silicone sealant along the edge of the cover
before installation.
Note:
Any components installed in knockouts must be rated for use with a NEMA 3R enclosure.
10-32 X 3/8 Machine Screw
Outer cover installed, Right side shown.
Left side is installed the same as the right.
#10 x 3/8” Stainless Steel
Hex head sheet metal screw
Cabinet lip
Lip of left door
Apply silicone sealant
from the inside to seal
corners of cover
Seal all unused openings on outdoor enclosures
Use 100% silicone (not included).
Behind doors
