Miller Electric 280 NT, Owner'S Manual

Page: 17 / 60

A complete Parts List is available at www.MillerWelds.com
OM-4430 Page 13
SECTION 4 − SPECIFICATIONS
4-1. Description
This multiprocess engine-driven welder and AC generator provides low speed generator AC power and DC weld out-
put for quiet, fuel-efficient operation. At 1800 rpm, this unit produces 5 kW/kVA 60 Hz 120/240 Volt AC generator
power. Achieve high quality Stick and TIG welding results at either 3000 or 3600 rpm. A special variable frequency
(60-120 Hz) receptacle provides 2.4 kW/kVA 120 Volt AC generator power continuously.
4-2. Weld, Power, And Engine Specifications
Welding
Mode
Rated
Welding
Output
Maximum
Open-Circuit
Voltage
Amperage
Range In
CC Mode
Voltage
Range In
CV Mode
Generator
Power Rating
Fuel
Capacity
Engine
CC/DC
280 A, 25 V, 100%
Duty Cycle
50 20 − 300 A
13 − 35 V
5.5 kVA/kW (Peak)
5 kVA/kW (Continuous)
42/21 A,
120/240 V AC,
60 Hz,
Single-Phase at
1800 rpm
12 gal
(45 L)
Kohler CH-23
Air-Cooled,
Two-Cylinder,
Four-Cycle,
CV/DC
300 A, 25 V, 100%
Duty Cycle
35 − −
13 − 35 V
1800 rpm
And
2.4 kVA/kW, 20 A,
120 V AC,
60-120 Hz,
Single-Phase
At All Speeds
(45 L)
Tank
Four Cycle,
23 HP Gasoline or
25 HP LP Engine
w/Electronic
Governor
4-3. Dimensions, Weights, and Operating Angles
Dimensions
Height 34 in (864 mm)
A
B
Width 20 − 1/2 in (521 mm)
B
C
!
Do not exceed tilt angles or engine could
Depth 45-1/2 in (1156 mm)
D
!
Do not exceed tilt angles or engine could
be damaged or unit could tip.
!
A 20 in (508 mm)
D
G
!
Do not move or operate unit where it could
tip.
B 16-1/2 in (419 mm)
4 Holes
G
p
C 1 − 3/4 in (44 mm)
E
F
D 5 in (127 mm)
F
E 32-3/4 in (832 mm)
2
°
F 44-1/4 in (1124 mm)
25
°
G 13/32 in (10 mm) Dia.
25
°
°
25
°
Weight
Engine End
25
°
590 lb (267 kg)
Engine End
Lifting Eye Weight Rating
800 426
803 983
1280 lb (580 kg)
800 426
803 983