Specification Sheet

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©2013 Cummins Power Generation Inc. | S-1639b (6/13)
UL withstand and closing ratings
The transfer switches listed below must be protected by circuit breakers or fuses. Referenced drawings include
detailed listings of specific breakers or fuse types that must be used with the respective transfer switches. Consult
with your distributor/dealer to obtain the necessary drawings. Withstand and Closing Ratings (WCR) are stated in
symmetrical RMS amperes.
Transfer
switch
ampere
MCCB protection Special circuit breaker protection
WCR at volts
max with
specific
manufacturers
MCCBs
Max MCCB
rating
Drawing
reference
With specific
current limiting
breakers (CLB)
Max CLB
rating Drawing reference
125 14,000 at 600 V 225 A 098-6885 200,000 @ 600 V 225 A 098-6918
225 30,000 at 600 V 400 A 098-6886 200,000 @ 600 V 400 A 098-6919
400, 600 65,000 at 600 V 1200 A 098-6887 200,000 @ 600 V 1200 A 098-6920
Fuse protection
Transfer
switch
ampere
WCR at volts
max. with
current limiting
fuses Max fuse, size and type Drawing reference
125 200,000 at 600 V 200 A Class, J, RK1, RK5, T 098-6885
225 200,000 at 600 V 1200 A Class L or T, or 600 A class J, RK1, RK5 098-6886
400, 600 200,000 at 600 V 1200 A Class L or T, or 600 A Class, J, RK1, RK5 098-6887
Enclosures
The transfer switch and control are wall-mounted in a key-locking enclosure. Wire bend space complies with 2011 NEC.
Dimensions – transfer switch in UL type 1 enclosure
Amp rating
Height Width
Depth
Weight Outline drawing
Door closed Door open
in mm in mm in mm in mm lb kg
125 27.0 686 20.5 521 12.0 305 31.5 800 82 37 0310-0544
225 35.5 902 26.0 660 16.0 406 41.0 1042 165 75 0310-0414
400, 600 54.0 1372 25.5 648 18.0 457 42.0 1067 225 102 0310-1307
Dimensions – transfer switch in UL type 3R enclosure
Amp rating
Height Width
Depth
Weight
Cabinet
type
Outline
drawing
Door closed Door open
in mm in mm in mm in mm lb kg
125 34.0 864 26.5 673 12.5 318 36.5 927 125 57 3R 0310-0453
225 42.5 1080 30.5 775 16.0 406 44.0 1118 215 97 3R 0310-0454
400, 600 59.0 1499 27.5 699 16.5 419 41.5 1054 275 125
3R 0310-1315
4 0310-1316
Dimensions for SE models– transfer switch in UL type 1 enclosure
Amp rating
Height Width
Depth
Weight Outline drawing
Door closed Door open
in mm in mm in mm in mm lb kg
40, 70, 100,
125
45.8 1164 32.0 814 16.3 413.0 45.9 1165 300 136 0500-4721
150, 200, 225,
250
73.6 1869 32.3 820 19.7 499.0 49.6 1259 500 227 0500-4606
300, 400, 600 74.5 1892 34.4 873 20.1 510.4 50.9 1293 520 236 0500-4611
Dimensions for SE models – transfer switch in UL type 3R or 12 enclosure
Amp rating
Height Width
Depth
Weight Outline drawing
Door closed Door open
in mm in mm in mm in mm lb kg
40, 70, 100,
125
45.8 1164 32.0 814 16.3 413.0 45.9 1165 340 154 0500-4721
150, 200, 225,
250
73.6 1869 32.3 820 19.7 499.0 49.6 1259 580 263 0500-4606
300, 400, 600 74.5 1892 34.4 873 20.1 510.4 50.9 1293 600 272 0500-4611