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TECNA HAND OPERATED SPOT WELDERS (2 kVA & 2.5 kVA)
Professional spot welding solutions for automotive body repair and workshop use. Both models include Tecna’s reliable synchronous timer and compensation circuit for consistent, controlled weld quality even on oxidised or painted surfaces
Package Includes (Both Models)
Tecna spot welder unit 125 mm Tecna arms Built-in synchronous timer F-class insulated transformer Force adjustment scale (daN) 3.8m mains cable Compatibility with Tecna arm & electrode range
This Is Ideal For:
Automotive body repair shops Maintenance workshops Welding thin sheet metal Welding stainless steel (7902/P) Welding rods with reduced diameter (7902/P) General fabrication requiring clean, accurate spot welds
What Does It Weld?
Mild steel Stainless steel (7902/P) Oxidised or painted sheet Thin sheet metal Small-diameter rod (7902/P)
AVAILABLE TECNA MODELS
OPTION 1: TECNA 7900 – 2 kVA SPOT WELDER WITH TIMER Supplied with 3501 Arms (125 mm)
A lightweight, reliable spot gun designed for general bodyshop work.
Features
2 kVA spot welder (230V) Synchronous built-in electronic timer (2–65 cycles) Compensation circuit for welding on oxidised/painted sheets F-class insulated transformer (tested at 4000V) Force adjustment with daN scale Supplied with 3501 125 mm arms Additional arm coupling points Large choice of optional arms & electrodes 3.8m mains cable
Time adjustment: 2–65 cycles Current adjustment: Fixed Cooling: Air Supply voltage: 230V (optional 110V: 7900/110) Nominal power (50%): 2 kVA Maximum welding power: 13 kVA Short circuit current: 7.2 kA No-load secondary voltage: 2.3 V Insulation class: F Cable section <15m: 2.5 mm² Delayed fuses: 16 A Standard arms throat depth: 125 mm Max electrode force (short arms): 120 daN Arms gap: 96 mm Electrode stroke: 55 mm Mains cable length: 3.8 m Net weight (125 mm arms): 10.5 kg
OPTION 2: TECNA 7902 2.5 kVA SPOT WELDER WITH TIMER & PULSE
A versatile, professional spot welder with pulse function and phase shift current control for difficult and delicate welds.
Features
2.5 kVA spot welder (230V) Synchronous built-in electronic timer (2–65 cycles) Pulse welding function Compensation circuit for reliable welding on oxidised/painted sheets Current control with phase-shift adjustment F-class insulated transformer (tested at 4000V) Force adjustment with daN scale Supplied with 125 mm arms Wide choice of optional arms & electrodes 3.8m mains cable
Time adjustment: 2–65 cycles Current adjustment: 40–100% Cooling: Air Supply voltage: 230V Nominal power (50%): 2.5 kVA Maximum welding power: 16 kVA Short circuit current: 8.2 kA No-load secondary voltage: 2.5 V Insulation class: F Cable section <15m: 2.5 mm² Delayed fuses: 16 A Standard arms throat depth: 125 mm Max electrode force (short arms): 120 daN Arms gap: 94 mm Electrode stroke: 55 mm Mains cable length: 3.8 m Net weight (125 mm arms): 11 kg
Why Buy Tecna Spot Welders?
Tecna is known worldwide for dependable spot welding performance. The built-in synchronous timer, compensation circuit, long-life F-class insulated transformer and adjustable electrode force deliver reliable, repeatable welds across a wide range of materials.
Whether you need a simple, lightweight 2 kVA unit or a more advanced 2.5 kVA model with pulse and phase-shift control, Tecna offers professional results trusted in bodyshops and workshops across the industry.
What electrode materials are compatible with Tecna spot welders?
Copper chrome and silver coated electrodes are recommended for conductivity and durability.
Do Tecna spot welders provide welding data logging?
Advanced models include built in logging for weld parameters and traceability.
Can Tecna spot welders integrate with production lines?
I/O modules allow PLC integration for automated welding sequences.
Are Tecna spot welders equipped with foot pedals or hand switches?
Some models offer both foot pedal and hand switch options are available based on operator preference.
What cooling options exist for Tecna spot welders?
Water cooled electrode holders and transformers maintain stable temperatures.
What cycle times do Tecna spot welders achieve?
High speed models reach cycle times as low as 0.5 seconds per weld.
How is welding force adjusted on Tecna spot welders?
Pneumatic or servo driven actuators control electrode force via the user interface.
What throat depths are available on Tecna spot welders?
Models range from 120 mm to 400 mm throat depth for various workpiece sizes.
How much is a spot welder?
The price of a spot welder can vary significantly based on the brand and specifications. Generally, you can expect to pay between £200 and £2,000 for a quality spot welder in the UK. For professional-grade models, prices may exceed this range.
How to use spot welding machine?
To use a spot welding machine, first ensure the machine is properly set up and connected to power. Position the metal pieces to be welded together, then align the electrodes. Activate the machine, applying pressure and current for a few seconds until the weld forms. Release and inspect the joint.
What equipment do welders use?
Welders use various equipment, including welding machines (MIG, TIG, and stick welders), protective gear (helmets, gloves, and aprons), gas cylinders, welding rods, and accessories like clamps and wire brushes. Proper tools ensure safety and quality in welding projects.
What is a multiprocess welder?
A multiprocess welder is a versatile welding machine that can perform various welding techniques, such as MIG, TIG, and stick welding, all in one unit. This flexibility makes it ideal for different projects, allowing users to switch processes easily as needed.
What is amperage in welding?
Amperage in welding refers to the electric current flowing through the welding circuit, measured in amperes (amps). It determines the heat generated during the welding process, influencing penetration and bead shape. Proper amperage is crucial for achieving strong welds.
What is slag inclusion in welding?
Slag inclusion in welding refers to the presence of non-metallic solid materials, such as slag, trapped within the weld bead. This defect can weaken the weld's integrity, leading to reduced strength and potential failure. Proper technique and cleaning can help prevent it.
What is the difference between AC and DC welding?
AC (Alternating Current) welding is ideal for aluminium and magnesium, providing a smoother arc and better cleaning action. DC (Direct Current) welding offers a more stable arc and deeper penetration, making it suitable for steel and other ferrous metals.
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