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AIR OPERATED PRESS TYPE 4666

Purchase our Press Type 4666! This pedestal welder is versatile 50 KVA AC Air-Operated Press Type Spot Welder with Weld control and a t15.7’’ throat depth.  Just like all of our product, the Press Type 4666 is a high-quality welder that will get the job done!  

  • Chrome-copper electrode-holders for heavy duty and long life, designed for both straight and angled fitting.
  • Water-cooled epoxy resin coated transformer.
  • Water-cooled arms, electrodes and electrode-holders.
  • Microprocessor control unit TECNA TE101.
  • USB Port for data storage (only with TE550).
  • The air operated lubrication free cylinder eliminates oil mist.
  • Protected filter assembly with gauge.
  • Two-stage electric foot-pedal for clamping and welding pieces only if correctly positioned.
  • Pre-connected for additional electric foot-pedal for the direct recalling of welding program No.2. This function is helpful when different kinds of welding are to be performed on the same piece.
  • Adjustable electrodes stroke for max. working rate.

ITEMS 4665N-4666N

  • Arms: gap 280 mm, depth 400 mm.
  • Cylinder with chrome-plated stem for heavy duty and long life.
  • Cylinder with double stroke with hand control.

ITEMS 4667N-4668N

  • Arms: gap 280 mm, depth 500 mm
  • Cylinder with chrome-plated stem for heavy duty and long life.
  • Cylinder with double stroke with hand control


* Features and specifications may vary, and are subject to change without notice

SPECIFICATION UNITS WTP-4665 WTP-4666 WTP-4667 WTP-4668
Power @ 50% Duty Cycle kVA 35 50 35 50
Max Power kVA 67 84 64 82
No-Load Secondary Voltage V 5.4-4 6.1 5.4-4 6.1
Short Circuit Current A 15,500 17,000 14,500 16,500
Thermal Current @ 100% kA 4.5 5.7 4.5 5.7
Supply Voltage (@60Hz)* V 230 or 440 Dual Voltage 230/440 230 or 440 230 or 440
Delayed Fuses @ 230VAC A 125 125 175 175
Delayed Fuses @ 440VAC A 70 70 100 100
Primary Cables Ø (up to 30m) mm² 16 35 16 35
Insulation Class F F F F F
Compressed Air Supply psi (bar) 94 (6.5) 94 (6.5) 94 (6.5) 94 (6.5)
Air Consumption per 1000 Spots @ 94 psi (650kP / 6.5 bar) SCF (N/m³) 191-60 (5.4-1.7) 191-60 (5.4-1.7) 191-60 (5.4-1.7) 191-60 (5.4-1.7)
Arm Minimum Length in (mm) 15.7 (400) 15.7 (400) 19.7 (500) 19.7 (500)
Max Electrode Force @ 94 psi (6.5 bar) lbs. (daN) 1034 (470) 1034 (470) 660 (300) 660 (300)
Working Stroke in (mm) 0.2-3.2 (5-80) 0.2-3.2 (5-80) 0.2-3.2 (5-80) 0.2-3.2 (5-80)
Arm Maximum Length in (mm) – – – –
Max Electrode Force @ 94 psi (6.5 bar) lbs. (daN) – – – –
Working Stroke in (mm) – – – –
Short Circuit Current with Arms @ Max Length kA – – – –
Adjustable Arm Gap Assembly (OPTION 4638)   – –    
Short Circuit Current with Arms @ Max Gap kA – – 10 12.1
Minimum Gap in (mm) – – 6.7 (170) 6.7 (170)
Maximum Gap in (mm) – – 19.7 (500) 19.7 (500)
Water Cooling @ 36 psi (250 kP / 2.5 bar) gpm (lpm) 1.1 (4) 1.1 (4) 1.1 (4) 1.1 (4)
Minimum Water Pressure psi (bar) 36 (2.5) 36 (2.5) 36 (2.5) 36 (2.5)
Aerial Noise Produced dB(A) <70 <70 <70 <70
Measured Conditions          
Working Stroke in (mm) 20 20 20 20
Welding Time Cycles 17 23 20 24
Welding Current kA 11.6 12.7 10.9 12.4
Working Rating (Welds per Minute) #/min 15 15 15 15
Net Weight lbs (kg) 484 (220) 495 (225) 484 (220) 495 (225)
Ø Arms in (mm) 1.97 (50) 1.97 (50) 1.97 (50) 1.97 (50)
Ø Electrode Holders   25mm 1″ 25mm 1″
Electrode Taper Size   5RW/2MT 5RW/2MT 5RW/2MT 5RW/2MT
Air Operated Press Type 4666

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