TECNA 3066Q C-Type Weld Gun — 90 kVA Air-Operated MFDC (Inverter) Three-Phase

TECNA 3066Q c-type suspended MFDC (inverter) weld gun — 90 kVA at 50% duty, three-phase. Maximum welding current of 30,000 amps and maximum electrode force of 1,393 lbs at 8 bar.

Description

The TECNA 3066Q is a 90 kVA (50% duty) MFDC inverter c-type suspended weld gun with air-operated actuation, fed from a three-phase supply. Medium-frequency DC delivers stable, low-distortion welds with reduced power draw versus single-phase AC. It produces a maximum welding current of 30,000 amps and up to 1,393 lbs of electrode force (620 daN at 8 bar, single-stage cylinder).

Features

  • 90 kVA @ 50% (142 kVA @ 20%) MFDC inverter with water-cooled secondary; max welding power 270 kVA.
  • Medium-frequency DC output for consistent welds on coated and dissimilar materials with lower mains demand.
  • Gyro suspension on sealed bearings with rotation lock for accurate maneuverability with a TECNA balancer.
  • Electrode force 1,393 lbs (620 daN) at 8 bar, or 1,045 lbs (465 daN) at 6 bar (single-stage cylinder).
  • Adjustable working stroke 0.20–1.18 in. (5–30 mm) plus temporary extra stroke; max stroke 2.95–3.94 in. (75–100 mm).
  • Fully water-cooled copper secondary; lube-free chromium-plated cylinder and shaft; cooling-circuit valves for easy electrode changes.
  • Recommended balancer: TECNA 9413.

Installation Requirements

  • US stock supply: 480 V / 60 Hz three-phase (400 V / 50 Hz on request).
  • Delayed fuses 100 A; cable section 0.05 in² (35 mm²) at L=30 m.
  • Compressed air: 116 psi (8 bar). Water cooling: 127 gal/h (480 l/h).
  • Net weight 139 lbs (63 kg) with cables, hoses, and suspension, without arms.

Additional information

Weight 139 lbs
Gun Type

C-Type

Power Supply

Nominal Power 20% (kVA)

142

Nominal Power 50% (kVA)

90

Max Welding Power (kVA)

270

Max Welding Current (A)

30000

Thermal Current 100% (A)

6600

No-Load Secondary Voltage (V)

9.9

Supply

480 V / 60 Hz

Mains Cable (L=30m, 480 V)

0.05 in² (35 mm²)

Delayed Fuses (480 V)

100 A

Insulated Arms Connection Ø

1.85 in (47 mm)

Non-Insulated Arms Conn. Ø

1.93 in (49 mm)

Gyro Suspension Ø

12.32 in (313 mm)

Max Electrode Force

1393 lbs (620 daN)

Max Elec Force 8 bar (1-Stage)

1393 lbs (620 daN)

Max Elec Force 6 bar (1-Stage)

1045 lbs (465 daN)

Working Stroke

0.20–1.18 in (5–30 mm)

Max Stroke

2.95–3.94 in (75–100 mm)

Compressed Air

116 psi (8 bar)

Air Supply Hose Ø

0.39 in (10 mm)

Water Cooling Flow

127 gal/h (480 l/h)

Max Steel Thickness (Min Arms)

0.10 + 0.10 in (2.5 + 2.5 mm)

Actuator Type

Product Type

Supply Notes

480 V / 60 Hz 3-Phase (US stock; 400 V / 50 Hz on request)