Prospot UK brochure 2024/2025 - Catalog - Page 75
ALFA 209 SPOT WELDER
AC - MEDIUM FREQUENCY 1000 Hz
PNEUMATIC OR ELECTRIC DRIVE
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Pnuema琀椀c circuit with single pressure system
I/O water valves 1/2”
Air Inlet valve 1/2”
Electric Pedal
Isolator
Adjustable hydraulic jack in lower arm
OPTIONS
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Circuit breaker (incorporated in MF welders)
Distance between arms 550 mm
Servo driven head. Force 750 daN
Pneuma琀椀c circuit with counterpressure system
Propor琀椀onal valve
Flow meter
TECHNICAL SPECIFICATIONS
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Main Voltage
Electrode Diameter (conical 10°)
Electrode Holder Diameter
Arms Diameter
Distance between arms min/max
Cylinder Stroke
Cycles Per Minute (10mm gap)
ALFA 209 - MACHINE CODES
A2122
400V (50Hz)
19mm
35mm
70mm
140-450mm
100mm
90m/min
A2152
A2153
MFC - 3000
Medium Frequency
Inverter with adaptive
controller.
A2183
A2124
A2186
A2222
A2253
A2224
A2256
A2323
Welding Frequency
Hz
50
50
50
50
1000
1000
50
50
1000
1000
50
Power at 50 % D.C
kVA
100
100
125
125
100
170
100
125
100
170
125
DIN Throat Depth
mm
400
400
400
400
400
400
600
600
600
600
750
Force at 6 Bar
daN
450
750
750
900
450
900
450
750
450
750
450
Max. Short Circuit Current (5
periods)
kA
40
40
50
50
26
45
35
42
26
45
38
Max. Welding Current (5 periods)
kA
32
32
40
40
26
45
28
33
26
45
30
Air Consump琀椀on 50mm / 6 bar
Nl
2.67
4.17
4.17
5.34
2.67
5.34
2.67
4.70
2.67
4.17
2.67
Cooling Water Consump琀椀on
l/h
360
360
360
360
720
720
360
360
720
720
360
Lower Arm
-
-
-
-
-
-
-
●
●
●
●
●
Admissible Power
kVA
200
200
250
250
160
250
200
250
160
250
250
Delayed Fuses
A
200
200
250
250
160
250
200
250
160
250
250
Main Supply Sec琀椀on By Phase
mm2
90
90
120
120
70
120
90
120
70
120
120
Secondary Voltage
V
7.7 / 9
7.7 / 9
8.6 /
11
8.6 /
11
10
10
7.7 / 9
8.6 /
11
10
10
8.6 /
11
Width
mm
500
500
500
500
500
500
500
500
500
500
500
Length
mm
1230
1230
1230
1230
1230
1230
1630
1630
1630
1630
1790
Height
mm
1893
1893
1893
2152
1893
2152
1893
1893
1893
1893
1893
Weight
kg
610
620
640
640
580
600
610
630
580
600
660
Medium Frequency Inverter
MFC
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-
-
-
3007
3015
-
-
3007
3015
-
Prospot
Linked in
Prospot
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