3 Digital Display 
Time, Current Controller
40A/100A Supports
Regulate the Power of Spot Weld
 
Hi, if you are looking for a Spot welding time and power control board then you are in right place. This circuit can control the power or current and the time easily of you spot. You can varry this from cells to cells and according to the thickness of the Nickel Strip. You use the knob and digital display to fix the current of spot weld time for best results.
 
Special Features - 
The use of STM8 industrial control center microcontroller.
Strong and weak electricity through optocoupler insulation, safe operation.
The power line and foot switch line adopts the bolt the quick connect terminal, more convenient and reliable.
Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input
On-board power supply, state, foot, trigger indicator, work status clearly visible.
The design of reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy.
The controller is compatible with 100A scr.
Digital control interface, you can display the current time and current settings.
 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%),
 
Package Include - 
1 X controller Board