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OM-818 Page 17
3-10. Electrical Service Guide For XMT 304 4-Racks
Input Voltage
230 460 575
Max Recommended Standard Fuse Or Circuit Breaker Rating In
Amperes
200 110 90
Min Input Conductor Size In AWG/Kcmil
2 6 8
Max Recommended Input Conductor Length In Feet (Meters)
210 (64) 301 (92) 300 (91)
Min Grounding Conductor Size In AWG/Kcmil
6 6 8
Reference: 1996 National Electrical Code (NEC). S-0092J
3-11. Electrical Service Guide For XMT 304/EX 300 6-Racks
Input Voltage
230 460 575
Max Recommended Standard Fuse Or Circuit Breaker Rating In
Amperes
300 175 125
Min Input Conductor Size In AWG/Kcmil
1/0 2 4
Max Recommended Input Conductor Length In Feet (Meters)
215 (66) 451 (137) 467 (142)
Min Grounding Conductor Size In AWG/Kcmil
4 6 6
Reference: 1996 National Electrical Code (NEC). S-0092J
3-12. Electrical Service Guide For XMT 456/Invision 456 Racks (Customer-Installed Only)
Input Voltage*
460 575
Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes
200 175
Min Input Conductor Size In AWG/Kcmil
2 2
Max Recommended Input Conductor Length In Feet (Meters)
210 (64) 451 (137)
Min Grounding Conductor Size In AWG/Kcmil
6 8
* Due to current demands, a rack containing XMT/Invisions 456 requiring 230/460 volt input power must be connected to 460 volt input power
only.
Reference: 1996 National Electrical Code (NEC). S-0092J