Spec Sheet

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Specifications are subject to change without notice.
SG-1478j (6/09)
Electrical performance
The transfer switches listed below must be protected by fuses. The following WCR ratings are available when
protecting the transfer switch with a fuse. Short circuit ratings are stated in symmetrical RMS amperes.
Fuse protection
Transfer switch
ampere
Overload
current
(make-break
test)
Endurance cycles
at current
(operational
performance
capability)
Operating
frequency
WCR at 480V max
with current
limiting fuse
Max fuse, size
and type
40, 63 95 amps
4500 at 0 amps
1500 at 63 amps
1 per minute 26,000 amps RT16NT-00 63 amp
100, 125 188 amps
5000 at 0 amps
1000 at 125 amps
1 per minute 26,000 amps RT16NT-00 125 amp
160, 200, 225, 250 375 amps
5000 at 0 amps
1000 at 125 amps 1 per minute 38,000 amps RT16NT-2 250 amp
350, 400, 500 750 amps
2500 at 0 amps
500 at 500 amps 1 per minute 50,000 amps RT16NT-3 500 amp
630, 800 1200 amps
2500 at 0 amps
500 at 800 amps
1 per minute 55,000 amps RT16NT-4 800 amp
1000, 1250 1875 amps
2500 at 0 amps
500 at 1250 amps
1 per 3 minutes 65,000 amps RT16NT-4 1250 amp
1600, 2000 3000 amps
1500 at 0 amps
500 at 2000 amps 1 per 6 minutes 120,000 amps KRP-C 3000 amp
Enclosures
The transfer switch and control are mounted in a key-locking enclosure. Enclosures meet IEC 60947-6-1 standard.
40-500 amp switches are front-connected. 630-2000 amps are rear-connected.
Standard enclosure is gray. Green is available as an option (P152).
Dimensions - IP32
Amp rating Height Width Door closed Door open
Weight 3-pole
type
Outline
drawing
in mm in mm in mm in mm lb kg
40, 63 31.4 800 23.6 600 8.8 226 31.4 800 101.4 46 0500-6004
100, 125 31.4 800 23.6 600 8.8 226 31.4 800 105.8 48 0500-6004
160, 200, 225, 250 39.3 1000 31.4 800 8.8 226 39.3 1000 125.6 57 0500-6005
350, 400, 500 39.3 1000 31.4 800 8.8 226 39.3 1000 143.3 65 0500-6005
630, 800 53.9 1370 29.2 742 24.8 631 53.0 1348 385.8 175 0500-6006
1000, 1250 53.9 1370 29.2 742 24.8 631 53.0 1348 405.6 184 0500-6006
1600, 2000 78.7 2000 39.4 1000 44.3 1126 83.7 2126 888.9 400 A0281839
Dimensions - IP54
Amp rating Height Width Door closed Door open Weight
Outline
drawing
in mm in mm in mm in mm lb kg
40, 63 34.0 864 23.3 598 11.6 296 31.4 800 110.2 50 0500-4559
100, 125 34.0 864 23.3 598 11.6 296 31.4 800 114.6 52 0500-4559
160, 200, 225, 250 41.8 1064 31.6 804 11.6 296 39.3 1000 143.3 65 0500-4560
350, 400, 500 41.8 1064 31.6 804 11.6 296 39.3 1000 160.9 73 0500-4560
630, 800 53.9 1370 29.5 750 26.6 676 53.0 1348 414.4 188 0500-4561
1000, 1250 53.9 1370 29.5 750 26.6 676 53.0 1348 434.3 197 0500-4561
1600, 2000 78.7 2000 39.4 1000 44.3 1126 83.7 2126 892.9 405 A026M050