3-4 Installing the Drive
MN762
3.5 Conduit Size and Lock off
Figure 3-4 Opening Identification
B
A
C
Table 3-4 Opening Dimensions
Cable Gland recommended Hole Sizes and Types:
Frame Size
Opening A and C
Knock Out B
Diameter
UL Gland Size Metric Gland Size
Diameter
UL Gland Size
Metric Gland Size
A
.866 (22mm)
PG13.5
M20
.866 (22mm)
PG13.5
M20
B & C
1.11 (28.2mm)
PG21
M25
.866 (22mm)
PG13.5
M20
Flexible Conduit Hole Sizes:
Frame Size
Opening A and C
Knock Out B
Diameter
UL Gland Size Metric Gland Size
Diameter
UL Gland Size
Metric Gland Size
A
.866 (22mm)
3/4 in
28mm
.866 (22mm)
3/4 in
21
B & C
1.11 (28.2mm)
1 in
35mm
.866 (22mm)
3/4 in
27
Note: UL rated ingress protection (“Type”) is only met when cables are installed using a UL recognized bushing or fitting for
a flexible-conduit system which meets the required level of protection (“Type”). Not intended for rigid conduit system.
Figure 3-5 Lock-Off (IP55/NEMA 12 Only)
Lock Off:
On the switched models the main power isolator switch can be locked in the “Off” position using a 20mm standard shackle
padlock or the VS1MX-ILOCK kit.
