GE Aftermarket Catalog

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Aftermarket Catalog 6-4 Prices and data subject
to change without notice
Busway
Short-Circuit Ratings
Spectra® Series Busway
Short-Circuit Ratings Plug-In and Feeder
Spectra® LowAmp Busway
Plug-In and Feeder Bus
Maximum Fuse Sizes for Increased Short-Circuit Protection
Maximum Fuse Sizes for Increased Short-Circuit Protection
3
Cycles
6
Cycles
1
Sec.
3*
Secs.
3
Cycles
6
Cycles
1
Sec.
3*
Secs.
225 50 50 24 14 50 50 36 21
400 85 85 24 14 50 50 36 21
600 85 85 24 14 85 85 36 21
800 100 100 42 24 85 85 36 21
1000 100 100 50 29 100 100 51 29
1200 125 125 62 36 100 100 65 37
1350 150 150 84 49 100 100 76 44
1600 150 150 95 55 125 125 95 55
2000 150 150 121 70 150 150 129 75
2500 200 200 132 76 150 150 162 107
3000 200 200 169* 97 200 200 191* 110
4000 200 200 200* 140 200 200 200* 149
5000 — — — — 200 200 200* 200
*Ratings based on calculated values
Aluminum (kA) @ Copper (kA) @
Amperage
3
Cycles
1
Sec.
3
Secs.
3
Cycles
1
Sec.
3
Secs.
225 30 11 6 30 17 10
400 42 17 10 30 17 10
600 50 28 16 42 25 15
800 50 50 29 50 42 24
Amp Rating
Aluminum (kA) @ Copper (kA) @
Aluminum Copper @100 kA @200 kA
225 225 1200 1 8001
400 400 1200 1 8001
— 600 1200 1 8001
600 800 2000 1 12001
— 1000 — 20001
800 1200 — 25001
1000 1350 — 25001
1200 1600 — 30001
1350 2000 —
— —
40001
1600 40001
2000 2500 — 40001
Amperage
Max "L" Fuse Sizes For
Increased Short-Circuit Rating
1Also 600J, 800T or 400R.
Class J Class T C lass R Class J Class T C lass R
Aluminum
225 600 800 100 400 400 200
400 600 800 400 600 800 400
600 600 800 600 600 800 400
800 600 800 600 600 800 400
Copper
225 600 800 200 400 400 200
400 600 800 200 400 400 200
600 600 800 400 600 800 400
800 600 800 600 600 800 400
Max. Fuse Sizes
For Increased Short-Circuit Rating
@100 kA @200 kA
Amperage
Flex-A-Power® Type DH Busway2
Type DH Busway has been tested in accordance with NEMA test procedures, to a maximum short-circuit rating of 14,000 rms
amperes symmetrical. When properly protected by a maximum 100 ampere UL listed Class K-1, K-5, or J fuses, the DH Busway may
be applied to a system with a short-circuit available up to the UL listed short-circuit rating of the fuses.
2The adjustable straight length is rated 10 kA.
Busway6