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A-22
FIGURA A.19 – CONEXIÓN DE NA-3 A FUENTES DE CORRIENTE QUE NO SON LINCOLN.
POWER SOURCE
INTERNALLY POWERED CONTACTOR
OUTPUT CONTACTOR
FOR POWER TO
OPERATE CONTACTOR
MAX. RATING OR NA-3
#2 TO #4 CIRCUIT IS
3 AMPS 125 VAC
FULL LOAD
STEADY STATE
TO 115 VAC 350
VOLT-AMP* CAPACITY
TAPE UP
EACH LEAD
TO NA-3 CIRCUIT
31
32
2
4
NA-3 CONTROL UNIT
REFER TO THE POWER SOURCE WIRING DIAGRAM TO FIND THE TYPE OF CONTACTOR CIRCUIT.
THE MAXIMUM RATING OF THE NA-3 TERMINAL #2 TO TERMINAL #4 CIRCUIT IS 3 AMPS 125 VAC AT FULL LOAD AND STEADY STATE.
*600 VAC IF THE LINCOLN ELECTRIC CO. TRAVEL CARRIAGE IS CONNECTED TO THE NA-3. THERE WILL BE NO OUTPUT CONTROL OF THE
POWER SOURCE AT THE NA-3.
INSTALACIÓN
WARNING
TURN OFF INPUT POWER
TO THE WELDING POWER
SOURCE USING THE
DISCONNECT SWITCH
BEFORE WORKING
ELECTRIC
ON THIS EQUIPMENT.
SHOCK
CAN KILL
ELECTRODE
WORK
GND
21
4
2
31
32
75
76
TO
77
WORK
INPUT
CONTROL
CABLE
ELECTRODE CABLE
NA-3 Y NA-4
POWER SOURCE
EXTERNALLY POWERED CONTACTOR
OUTPUT CONTACTOR
(115 VAC)
MAX. RATING OR NA-3
#2 TO #4 CIRCUITIS
3 AMPS 125 VAC
FULL LOAD
STEADY STATE
TO 115 VAC 350 VOLT-AMP*
FOR NA-3 PLUS
CONTACTOR
REQUIREMENTS
TAPE UP
EACH LEAD
TO NA-3 CIRCUIT
CONTROL
31
32
2
4
NA-3 CONTROL UNIT
R
CLEVELAND, OHIO U.S.A
A-22
ELECTRODE
WORK
GND
21
4
2
31
32
75
76
TO
77
WORK
INPUT
CABLE
ELECTRODE CABLE
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