Hobart Welding Products 625 Electrical Service Guide, Extension Cord Data, 50/60 Hz Single Phase

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4-7. Electrical Service Guide

	50/60 Hz Single Phase
Input Voltage	208	230
Input Amperes At Rated Output	33	30
Max Recommended Standard Fuse Rating In Amperes
Cricuit Breaker 1, Time-Delay 2	40	35
Normal Operating 3	50	45
Min Input Conductor Size In AWG 4	10	10
Max Recommended Input Conductor Length In Feet (Meters)	80	98
	(24)	(30)
Min Grounding Conductor Size In AWG 4	10	10

Reference: 2005 National Electrical Code (NEC) (including article 630)

1Choose a circuit breaker with time-current curves comparable to a Time Delay Fuse.

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).

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.

YCaution: Failure to follow these fuse and circuit breaker recommendations could create an electric shock or fire hazard.

4-8. Extension Cord Data

NOTE

When calculating max. cord length, remember to include conductor length from line disconnect device to input power receptacle.

	Input Power		Fuse Size Or
Input Voltage	Phase	Hertz	Circuit Breaker Rating		Conductor Size	Max. Cord Length
208 V	1	50/60	Time-Delay 2	40 A	10 AWG	80 ft (24 m)
			Normal Operating 3	50 A
230 V	1	50/60	Time-Delay 2	35 A	10 AWG	98 ft (30 m)
			Normal Operating 3	45 A

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).

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