28
NEMA 1 & 12,
R7…R8 Mounting Dimensions
NEMA 1 and NEMA 12 – Dimensions for each Frame Size
Ref.
R7 & R8
Top View
mm
in
W 806 31.7
D 659 25.9
a 675 26.6
b 474.5 18.7
c 61 2.4
d 65.5 2.6
Mounting Hardware
11 mm
13/32
* Measurements are center to center.
Weights
The following table lists typical maximum weights for each frame size. Variations within each
frame size (due to components associated with voltage/current ratings and options) are minor.
En-
Weight
closure
R1 R2 R3 R4 R5 R6 R7 R8
kg lb. kg lb. kg lb. kg lb. kg lb. kg lb. kg lb. kg lb.
NEMA 1 13 28 17 37 45 100 55 121 121 266 163 360 230 506 360 793
NEMA 12 15 33 19 42 47 103 57 125 123 271 166 375 250 551 380 837
NOTE: -088A-2, -114A-2 and -097A-4 NEMA 1 & 12 units are R4 frame base drives in R5 enclosures.
R5 enclosure information applies.
D
W
c
b
d
a
TECHNICAL DATA
