Miller XT30 Посібник користувача - Сторінка 19
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5-3. Connecting Work Clamp
2
5-4. Electrical Service Guide
Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda-
tions are for a dedicated circuit sized for the rated output and duty cycle of the welding power source.
In dedicated circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating
of the circuit protection device. All components of the circuit must be physically compatible. See NEC articles 210.21, 630.11, and
630.12.
Input Voltage (V)
Input Amperes (A) At Rated Output
Max Recommended Standard Fuse Rating In Amperes
Min Input Conductor Size In AWG
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG
Reference: 2011 National Electrical Code (NEC) (including article 630)
1 If a circuit breaker is used in place of a fuse, choose a circuit breaker with time-current curves comparable to the recommended fuse.
2 "Time-Delay" fuses are UL class "RK5" . See UL 248.
3 "Normal Operating" (general purpose - no intentional delay) fuses are UL class "K5" (up to and including 60 amps), and UL class "H" ( 65 amps and
above).
4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table
310.15(B)(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.
5-5. Extension Cord Data
.
When calculating max. cord length, remember to include conductor length from line disconnect device to input power receptacle.
Single Phase AC
Input Voltage
120
240
*Conductor size is based on maximum 3% voltage drop
.
A complete Parts List is available at www.MillerWelds.com
1
1
2
Time-Delay Fuses
3
Normal Operating Fuses
4
4
6 (13.3)
8 (8.4)
175 (53)
110 (33)
700 (213)
440 (134)
Conductor Size − AWG (mm
10 (5.3)
Maximum Allowable Cord Length in ft (m)
70 (21)
277 (84)
1
Work Clamp
2
Workpiece
Connect work clamp to a clean,
paint-free location on workpiece, as
close to cutting area as possible.
Ref. 803 640-A
Elec Serv 2011−08
50/60 Hz Single Phase
120
240
A 15 or 20
ampere individual
branch circuit
protected by
time-delay fuses
or circuit breaker
is required.
See Section 4-2
(29)
2
)*
12 (3.3)
14 (2.1)
44 (13)
28 (9)
175 (53)
110 (33)
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