Figure 7.17: IP21 (NEMA type 1) and IP54 (NEMA type 12) enclosure power connection position of disconnect switch
Frame
size
Unit type
Dimension for disconnect terminal
E1
IP54/IP21 UL AND NEMA1/NEMA12
350/450 hp [250/315 kW] (400 V) AND
500/600–675/850 hp [355/450–500/630 KW]
(690 V)
381 (15.0)
253 (9.9)
253 (9.9)
431 (17.0)
562 (22.1)
N/A
450/500–550/600 hp [315/355-400/450 kW]
(400 V)
371 (14.6)
371 (14.6)
341 (13.4)
431 (17.0)
431 (17.0)
455 (17.9)
7 Mechanical Installation - Frame size D, E and
F
FC 300 Design Guide
7-16
MG.33.BC.22 - VLT
®
is a registered Danfoss trademark
7