CTR12000 Spot Welder

  • Automatic recognition of total material thickness via Pulse-Sonar-System
  • Automatic recognition of material type via Virtual Generator
  • Automatically establishes required settings to ensure the proper weld nugget
  • Advanced quality control system that monitors and adjusts the welder to guarantee the total energy input
  • Powerful; with welding current up to 12,000 Amps
  • Completely liquid-cooled welding, from the power module all the way to the caps providing a greater Duty Cycle
  • Easily upgraded via convenient USB port
  • Reproducible welding quality
  • Welding data documentation with the use of WinSpotQS-Software
CTR7 Spot Welder
Max. voltage 3 x 400V 50 Hz
Max power 75kVA
Fuse (delayed action 16-32 A
Protection type IP21
Insulation class F
Compressed air supply 8 bar
Power unit for transformer gun (10 KHZ)
Output current 0-200 A
Output voltage 560V
Cooling power 1000 W
Tank capacity 20 l (5.3gal)
Flow rate 6 l/min (1.6 gal)
Dimensions (HxWxD) approx. (without support arm) 1220 x 680 x 800 mm (48 x 27 x 32 in)
Approx. Weight (without support arm)

95 kg (210 lbs)

Transformer C- Gun Connection Data
Primary voltage / Frequency 560 V/10 kHz
Primary power (100% duty cycle 20kVA
Protection type IP21
Insulation class F
Cooling type Liquid Cooled
Welding Circuit
Welding amperage 12,000 A (Current Controlled)  
No-load voltage 12.5 VDC
Mechanical Data
Electrode force 0 - 500 daN
(0 - 1124 lbf)
Weight, with 80mm yoke, ca 11 kg (24 lbs)
Cable length 6 m (19.7 ft)
Part Number Description
CAR43000 CTR12000 Spot Welder