Lincoln Electric COMMANDER IM544-B Operator's Manual page 13

A-6
2. Take necessary steps to assure load is limited to the
capacity of the Commander by installing a 45 amp,
240 VAC double pole circuit breaker.
rated load for each leg of the 240 VAC auxiliary is 45
amperes. Loading above the rated output will
reduce output voltage below the allowable -10% of
rated voltage which may damage appliances or
other motor-driven equipment and may result in
overheating of the Commander 400 engine.
Figure A.2 Connection of the Commander 400 to Premises Wiring
POWER
240 Volt
60 Hz.
COMPANY
3-Wire
Service
METER
DOUBLE POLE DOUBLE THROW
SWITCH RATING TO BE THE SAME
AS OR GREATER THAN PREMISES
SERVICE OVERCURRENT
PROTECTION.
50 AMP, 120/240
VOLT PLUG
NEMA TYPE 14-50
50 AMP, 120/240 VOLT
RECEPTACLE
INSTALLATION
Maximum
240 VOLT
120 VOLT
120 VOLT
45AMP
240 VOLT
DOUBLE
POLE
CIRCUIT
240 VOLT
BREAKER
GND
COMMANDER 400
3. Install a 50 amp 120/240 VAC plug (NEMA Type 14-
50) to the double-pole circuit breaker using No. 6, 4
conductor cable of the desired length. (The 50 amp,
120/240 VAC plug is available in the optional K802R
plug kit.)
4. Plug this cable into the 50 Amp 120/240 Volt recep-
tacle on the Commander 400 case front.
GROUNDED CONDUCTOR
GROUND
N
NOTE: No. 8 COPPER CONDUCTOR CABLE SEE
NATIONAL ELECTRICAL CODE FOR ALTERNATE WIRE
SIZE RECOMMENDATIONS.
A-6
NEUTRAL
BUS
N
LOAD
PREMISES
DISCONNECT AND
SERVICE
OVERCURRENT
PROTECTION