OM-2220 Page 13
50 Hz Models Single
Phase Three Phase
Input Voltage 230 230 380 400 415
Input Amperes At Rated Output 33 20 10 10 10
Max Recommended Standard Fuse Rating In Amperes 1
Time-Delay 240 20 10 10 10
Normal Operating 3 50 30 15 15 15
Min Input Conductor Size In AWG/Kcmil 10 14 14 14 14
Max Recommended Input Conductor Length In Feet (Meters) 88
(27) 69
(21) 188
(57) 208
(63) 224
(68)
Min Grounding Conductor Size In AWG/Kcmil 10 14 14 14 14
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).
2-7. Extension Cord Data
When calculating max. cord length, remember to include conductor length from
line disconnect device to input power receptacle.
NOTE
Input Voltage Input Power
Phase Hertz Fuse Size Or
Circuit Breaker Rating Conductor Size Max. Cord Length
208 V 1 60 Time-Delay 245 A
Normal Operating 350 A 10 AWG 72 ft (22 m)
230 V 1 60 Time-Delay 240 A
Normal Operating 350 A 10 AWG 89 ft (27 m)
460 V 1 60 Time-Delay 220 A
Normal Operating 325 A 14 AWG 138 ft (42 m)
575 V 1 60 Time-Delay 215 A
Normal Operating 320 A 14 AWG 215 ft (66 m)
208 V 3 60 Time-Delay 225 A
Normal Operating 330 A 14 AWG 87 ft (27 m)
230 V 3 60 Time-Delay 220 A
Normal Operating 330 A 14 AWG 69 ft (21 m)
460 V 3 60 Time-Delay 210 A
Normal Operating 315 A 14 AWG 275 ft (84 m)
575 V 3 60 Time-Delay 210 A
Normal Operating 310 A 14 AWG 429 ft (131 m)
230 V 1 50 Time-Delay 240 A
Normal Operating 350 A 10 AWG 88 ft (27 m)
230 V 3 50 Time-Delay 220 A
Normal Operating 330 A 14 AWG 69 ft (21 m)
380 V 3 50 Time-Delay 210 A
Normal Operating 315 A 14 AWG 188 ft (57 m)
400 V 3 50 Time-Delay 210 A
Normal Operating 315 A 14 AWG 208 ft (63 m)
415 V 3 50 Time-Delay 210 A
Normal Operating 315 A 14 AWG 224 ft (68 m)
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).