Selecting Weld Cable Sizes; Remote Receptacle Information - Miller Electric 280 NT Owner's Manual

5-6. Selecting Weld Cable Sizes*

Weld Output
Terminals
! !
Stop engine before
connecting to weld
output terminals.
!
Do not use worn,
damaged, under-
sized, or poorly
spliced cables.
This chart is a general guideline and may not suit all applications. If cable overheats, use next size larger cable.
*
**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.
2
( ) = mm for metric use
***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.

5-7. Remote Receptacle Information

.
Engine runs at weld speed (3000 or 3600 rpm) whenever a device connected to the remote receptacle is running.
A J
K
I
B
C L N L N
H H
M M
D D G G
F
E
*The remaining sockets are not used.
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit
100 ft (30 m) or Less
10 − 60% 60 − 100%
Welding
Duty Duty
Amperes
Cycle Cycle
100 4 (20) 4 (20)
150 3 (30) 3 (30)
200 3 (30) 2 (35)
250 2 (35) 1 (50)
300 1 (50) 1/0 (60)
350 1/0 (60) 2/0 (70)
400 1/0 (60) 2/0 (70)
24 VOLTS AC
115 VOLTS AC
AMPERAGE AMPERAGE
VOLTAGE
.
A complete Parts List is available at www.MillerWelds.com
Not Exceeding***
150 ft 200 ft
(45 m) (60 m)
10 − 100% Duty Cycle
4 (20) 3 (30)
2 (35) 1 (50)
1 (50) 1/0 (60)
1/0 (60) 2/0 (70)
2/0 (70) 3/0 (95)
3/0 (95) 4/0 (120)
3/0 (95) 4/0 (120)
Socket*
A 24 volts ac. Protected by supplementary protector
CB4.
B Not used.
I 115 volts ac. Protected by supplementary protec-
tor CB3.
J Not used.
C +10 volts dc output to remote control.
A/V A/V
D Remote control circuit common.
E 0 to +10 volts dc input command signal from
remote control.
G Circuit common for 24 and 115 volts ac circuits.
GND GND
K Chassis common.
250 ft 300 ft 350 ft
(70 m) (90 m) (105 m)
2 (35) 1 (50) 1/0 (60)
1/0 (60) 2/0 (70) 3/0 (95)
2/0 (70) 3/0 (95) 4/0 (120) 4/0 (120)
2 ea. 2/0
3/0 (95) 4/0 (120)
(2x70)
2 ea. 2/0 2 ea. 3/0
4/0 (120)
(2x70) (2x95)
2 ea. 2/0 2 ea. 3/0 2 ea. 3/0
(2x70) (2x95) (2x95)
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0
(2x70) (2x95) (2x120)
Socket Information
OM-4430 Page 23
400 ft
(120 m)
1/0 (60)
3/0 (95)
2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
2 ea. 4/0
(2x120)
S-0007-F