Prospot UK brochure 2024/2025 - Catalog - Page 71
STRONGHOLD PROJECTION WELDER
TECHNICAL SPECIFICATIONS
Con琀椀nuous power @100% duty cycle
75 STRONGHOLD
100
STRONGHOLD
150 STRONGHOLD
Sp
kVA
53
71
106
Max short circuit power
Scc
kVA
290
360
460
Max welding power
Smax
kVA
230
290
360
Nominal power@50% Duty Cycle
S50
kVA
75
100
150
Nominal supply voltage
U1n
V
415
415
415
Con琀椀nuous primary current at 100%
duty cycle
I1p
A
130
170
250
Hz
50
Supply Frequency
Supply Phases
2
Supply Capacity
kVA
170
210
300
HRC fuse size to BS88
A
160
200
315
mm2
50
70
95
Feed cable c.s.a up to 30m long
Max short circuit primary current
I1cc
A
690
860
1200
Max short circuit secondary current
I2cc
A
32000
35000
42000
Max welding current
I2 max
A
25000
28000
33000
Duty cycle for max welding
Xmax
%
5.4
6.1
7.1
Con琀椀nuous secondary current at
100% duty cycle
I2p
A
6000
7200
8900
9.9/8.8/8
11.9/10.4/8.6
Number of taps
Secondary open circuit volts
3
U20
V
8.8/8/7
Weld cylinder diameter
mm
125
Weld force min/max with a 1.5/5.5bar
supply
kN
1.8/6.7
Weld force min/max with a 80psi
supply
lbf
400/1500
Weld cylinder stroke max
mm
76
Air pressure max opera琀椀ng
bar
7
Air connec琀椀on/hose size
BSP/in
1/2” / 1/2”
Cooling water min opera琀椀ng pressure
bar
3
Cooling water consump琀椀on
lit/min
3
Cooling water max inlet temp
°C / °F
30/86
Cooling water connec琀椀on/hose size
BSP/in
1/2” / 1/2”
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