Section 2 - Specifications; Specifications; Duty Cycle And Overheating - Miller Maxstar 91 Manuel Du Propriétaire

2-1. Specifications

Rated Welding Amperage
Output Range
90 A @ 14 Volts DC,
Min. – 90
20% Duty Cycle
* While idling

2-2. Duty Cycle And Overheating

Overheating
SECTION 2 – SPECIFICATIONS
Maximum Open-
Circuit Voltage
DC
95
20% Duty Cycle At 90 Amperes
2 Minutes Welding
When overheated, thermostat
opens, output stops, and cooling
fan keeps running.
Amperes Input at
Rated Load Output
KVA
115 V AC, 50/60 Hz,
Single-Phase
2.2
19.5 (0.6*)
(0.049*)
8 Minutes Resting
0
15
minutes
Let fan run for
15 minutes.
Overall
KW Weight
Dimensions
Length: 16-1/2 in
(419 mm)
1.5 31 lb Width: 9-1/2 in
(14 kg)
(241 mm)
(0.05*)
Height: 8 in
(203 mm)
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and
warranty.
Start welding.
rduty1 5/95 – SB-162 795 / ST-157 356-B
OM-207 Page 9
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