
17
P-3026 • Doc. No. 60881 • Boston Gear
®
Ratiotrol
®
DC Motor Speed Control
Illustrations
Section VII
Max. Control Proj.
.65
1.35
Circuit
Breaker
Operator
Panel
Mounting
Slot
Width
.25
8.59
9.34
12.00
1.33
1.20
1.75
6.00
10.55
6.30
.25
9.06
16.81
Conduit
Entrance
3/4-14 N.P.T.
(4) Places
Ratiotrol D.C. Systems
Figure 1
VEL/VEH Series
1/6-3 Horsepower Dimensions