4-2. Electrical Service Guide
YCAUTION: INCORRECT INPUT POWER can damage this welding power source. This welding pow- er source requires a CONTINUOUS supply of 60 Hz (+10%) power at +10% of rated input voltage. Phase to ground voltage shall not exceed +10% of rated input voltage. Do not use a generator with automatic idle device (that idles engine when no load is sensed) to supply input power to this welding power source.
NOTE
Actual input voltage should not exceed ± 10% of indicated required input voltage. If actual input voltage is outside of this range, output may not be available.
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Input Voltage | 480 | 575 | |
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Input Amperes At Rated Output | 55 | 45 | |
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Max Recommended Standard Fuse Rating In Amperes 1 |
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Normal Operating 3 | 60 | 50 | |
Min Input Conductor Size In AWG 4 | 10 | 10 | |
Max Recommended Input Conductor Length In Feet (Meters) | 175 | 274 | |
(53) | (83) | ||
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Min Grounding Conductor Size In AWG 4 | 10 | 10 | |
Reference: 2005 National Electrical Code (NEC) (including article 630) |
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1Consult factory for circuit breaker applications.
2
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).
4Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table 310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.
Notes
