Miller Thunderbolt 225 User Manual

OWNER’S
MANUAL
July 1995 Form: OM-116J
Effective With Serial No. KF943539
cover_om 4/95 – ST-052 359-D PRINTED IN USA
 1995 MILLER Electric Mfg. Co.
Thunderbolt 225
CC/AC Welding Power Source For SMAW (Stick) Welding
Rated
Welding
Output
Amperage
Range
Maximum
Open-
Circuit
Amperes Input
at Rated Load
Output 60 Hz,
Single-Phase
Overall Dimensions Weight
Output
Voltage
230 V KW
225 A @ 25
Volts AC, 20%
Duty Cycle
Low: 30 – 150A
High: 40 – 225A
80 VAC
47.5
(8.6)*
7.2
(0.22)*
Height: 21-1/2 in (546 mm)
Width: 12-1/2 in (318 mm)
Depth: 14 in (356 mm)
Net: 100 lb (45 kg)
Ship: 105 lb (48 kg)
*While idling

Miller Thunderbolt 225 Specifications

General

Input Voltage	120/240 V
Input Phase	1-Phase
Input Hz	60 Hz
Amperage Range	40 - 225 A
Processes	Stick (SMAW)
Rated Output	225 A at 25 V, 20% Duty Cycle
Duty Cycle	20%
Output Voltage Range	25 V