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Process
Resistance Spot Welding
Work Capacity 20 kVA units
weld total thicknesses up to 1/4 in
(6.3 mm). Not recommended for
aluminum or copper alloys.
Rated Output 20 kVA at 40% duty cycle
depending on model, based
on 10-second time period
Weight SSW 170–185 lb (77–84 kg) Depending on model
Applications
Sheet Metal Work
Light Fabrication
Maintenance Work
Quick
Specs
SSW Series Spot Welders
Water-Cooled Resistance
Spot Welders
Issued April 2009 • Index No. SW/3.1
The Power of Blue
®
.
SSW foot switch permits user to use both hands
to position weldment between tongs. Can be held
longer if longer hold time is desired.
All spot welders operate on single-phase input
power, and require an air supply of 60 PSI
(414 kPa) minimum.
SSW models are designed for stationary
use and come with an all-steel pedestal
which houses timers and controls.
SSW models come complete with:
Stationary welding head
Remote foot switch
Pedestal inclusive of controls
and timer
Air filter/regulator assembly
Order tongs/tips separately to
match your applications
Air filter/regulator
assembly included.
Set-up/weld switch permits checking of
tong pressure and alignment without
making a weld.
Built-in squeeze/weld timer makes it quick
and easy to set or adjust squeeze and/or
weld time in hundredths of a second.
LED display makes it easy to read and
see timer settings.
Ten-step current control adjusts output current
with no change in duty cycle.
Cam-operated locking device simplifies
installation and adjustment of bottom tong.
Power switch/power “on” light/circuit breaker
protects control circuitry. Easy reset.
Adjustable tong pressure nuts to adjust tong
pressure for different thicknesses and applications.
Model
SSW-2020 ATT
Stationary
SSW-2040 ATT
Stationary
Work
Capacity*
1/4 in
(6.3 mm)
Input
50/60 Hz
230 VAC
90 Amps
460 VAC
45 Amps
Rated
Out put**
20 kVA at
40% Duty
Cycle
Rated Output (Calibrated w/ standard-type tongs)
6 in (152 mm) 12 in (305 mm) 18 in (457 mm)
12,500 A 10,500 A 9000 A
Specifications
(Subject to change without notice.)
Max. Open-
Circuit Voltage
3.55
Dimensions
H x W x D
49 x 11 x
21-3/4 in
(1245 x 280
x 552 mm)
Net
Weight
185 lb
(84 kg)
*Combined thickness un coated mild steel using 6 in (152 mm) tongs.
**Duty Cycle based on 10-second time period. (40% duty cycle means unit can weld for 4 second out of each 10-second time period.)
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Web Site
www.MillerWelds.com
Equipment Sales US and Canada
Phone: 866-931-9730
FAX: 800-637-2315
International Phone: 920-735-4554
International FAX: 920-735-4125