WEG CFW-11 User Manual page 22

A1
(a.1) Dimensions external in inverters with degree protection IP2X


Air
flow
(b) Surface mounting
A1 B1
Protection
Model
mm mm
Degree
(in) (in)
IP2X 145 247
Frame
(5.70) (9.72)
Size A
IP2X 190 293
(7.48) (11.53)
Frame
Size B
IP55 273 497.4
(10.74) (19.58)
IP2X 220 378
(8.67) (14.88)
Frame
Size C
IP55 307 588
(12.08) (23.14)
IP2X 300 504
(11.81) (19.84)
Frame
Size D
IP55 375 707
(14.76) (27.83)
Tolerances for dimensions d3 and e3: +1.0 mm (+0.039 in).
Tolerances for remaining dimensions: ±1.0 mm (±0.039 in).
(*) Recommended torque for the inverter mounting (valid for c2 and c3).
C1
D1
a2
∅ c2
C1 D1 E1 a2
mm mm mm mm
(in) (in) (in) (in)
227 70 270 115
(8.93) (2.75) (10.62) (4.52) (9.84)
227 71 316 150
(8.94) (2.79) (12.44) (5.90) (11.81)
237 68 529 200
(9.33) (2.67) (20.82) (7.87) (19.88)
293 136 405 150
(11.52) (5.36) (15.95) (5.91) (14.77)
348 137 670 200
(13.70) (5.39) (26.37) (7.87) (25.75)
305 135 550 200
(12.00) (5.32) (21.65) (7.88) (20.67)
338.8 129 754 250
(13.33) (5.07) (29.68) (9.84) (28.54)
Figure 3.1 - (a) to (c) - Mechanical installation details
Installation and Connection
A1
(a.2) Dimensions external in inverters with degree
protection IP55


Max. 3 mm
Air
 
(0.12 in)
flow
(c) Flange mounting
b2 c2 a3 b3
mm mm mm mm
M
(in) (in) (in) (in)
250 M5 130 120
(5.11) (4.72)
300 M5 175 142.5
(6.89) (5.61)
505 M8 - -
375 M6 195 182.5
(7.68) (7.18)
642 M8 - -
525 M8 275 255 262
(10.83) (10.04) (10.31)
725 M8 - -
C1
E1
a3
d3
∅ c3
c3 d3 e3 f3 Torque
mm mm N.m
M
(in) (in) (lbf.in)
136 226 M5 5.0
(5.35) (8.89) (44.2)
180 272 M5 5.0
(7.09) (10.71) (44.2)
- - M8 5.0
(44.2)
206 346 M6 8.5
(8.11) (13.62) (75.2)
- - M8 8.5
(75.2)
287 487 M8 20.0
(11.30) (19.17) (177.0)
- - M8 20.0
(177.0)
CFW-11 | 3-3
3
(*)