Publicité
3-9. Electrical Service Guide For CST 280 Racks
Input Voltage
Input Amperes At Rated Output
Max Recommended Standard Fuse Rating In Amperes
Time-Delay
Normal Operating 3
Min Input Conductor Size In AWG
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG
Reference: 1999 National Electrical Code (NEC)
1 Consult factory for circuit breaker applications.
2 "Time-Delay" fuses are UL class "RK5" .
3 "Normal Operating" (general purpose - no intentional delay) fuses are UL class "K5" (up to and including 60 amp), and UL class "H" ( 65 amp and
above).
3-10. Rack Line Fuse Requirements
Product
Input Votage
(3-Phase)
220 VAC
230 VAC
400 VAC
CST 280
CST 280
440 VAC
460 VAC
575 VAC
* Full 280 amperes output from power source may cause rack line fuses to blow. Reduce output to 235 amperes.
** Full 280 amperes output from power source may cause rack line fuses to blow. Reduce output to 245 amperes.
OM-221 611 Page 16
1
2
Amperage Input At
Recommended Line
Rated Load Output,
Fuse Size (Amps)
50/60 Hz
34.2
33.5
19.7
18.1
17.4
14.3
50/60 Hz Three Phase
220
230
400
137
134
79
175
150
90
225
200
125
3
3
8
119
130
142
(36)
(39)
(43)
4
6
8
Individual Fuse Part
No.
30*
199 795
30**
199 795
25
220 513
25
220 513
25
220 513
20
212 541
440
460
575
72
70
57
80
80
60
110
100
80
8
8
8
171
187
293
(52)
(57)
(89)
8
8
8
Bussman Fuse Part
No.
KTK-R-30
KTK-R-30
KTK-R-25
KTK-R-25
KTK-R-25
KTK-R-20
Publicité
