Sunkko 709A

The Sunkko 709A is the affordable entry point into the Sunkko spot welder lineup. Simple, reliable, and effective for basic battery assembly and hobby projects.

Sunkko 709A

AC WELDING MACHINES SERIES
Value Entry-Level Spot Welder

The Sunkko 709A is the affordable entry point into the Sunkko spot welder lineup. Simple, reliable, and effective for basic battery assembly and hobby projects.

Key Specifications

Model name
709A
Power supply
AC 110V/220V±20V
Output power
3.2KW(Max.)
Welding current
50~800A

Technical Specifications

Welding thickness 0.05-0.35mm(Fixed head)/0.05-0.2mm(Spot welding pen)
Temparature of solder pen 150~450 C
solder pen 50W
Time of temperature rising Rise to 300 °C in 6-8s
Output voltage DC 20V
Constant temperature accuracy ±5°C
Power supply AC 110V/220V±20V
Output power 3.2KW(Max.)

Key Features

  • Integrated spot welding and precision soldering.
  • Supports both fixed-head and mobile-probe welding
  • Selectable 2/4/6/8 pulse settings for high-reliability joints.
  • Built-in pressure regulator for consistent spot welds.
  • Knob-style current adjustment for fast, efficient setup.
  • Anti-static, constant-temp station for circuit and copper work.

Applications

  • Lithium battery pack
  • Strain gauge
  • Stainless steel mesh
  • Circuit board
  • Button battery

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