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Dedra DESI131BT

Photos - Welder Dedra DESI131BT
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Type: inverter; MMA; Welding current: DC; Input voltage: 230 В; Max. welding current (A): 100; Max. welding current (duty cycle 100%) (A): 70; Max. electrode size (mm): 2.5; Protection class (IP): 21; In box: face shield; brush-hammer; Weight (kg): 2.2;
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Dedra DESI131BT
Type
inverter
Welding type
MMA
Welding current
DC
Input voltage
230 В
Min. welding current
10 А
Max. welding current
100 А
Max. welding current (duty cycle 100%)
70 А
Duty cycle
20 %
Max. electrode size
2.5 mm
More features
Hot Start
Arc Force
Anti-Stick
digital display
Protection class (IP)
21
Electrode holder cable
2 m
Mass cable
1.5 m
In box
face shield
brush-hammer
Weight
2.2 kg
Added to E-Catalog
January 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
How to choose a welding machineKey information about modern inverters and semi-automatic welding machines

Budget Welding Inverter for the Home Handyman

For most simple welding tasks around the home, powerful professional equipment is not required. The Dedra DESI131BT welding inverter is quite capable of handling such tasks, delivering up to 100 A of current. The device is not designed for welding thick metal workpieces, but its moderate power allows it to operate on electrical networks not designed for high loads. This is especially relevant for summer houses, rural areas, and garage cooperatives. The inverter supports electrodes with a diameter ranging from 1.6 to 2.5 mm, which are sufficient to weld a shelf frame, repair a metal fence, or perform other small jobs.

Comfortable Work in "Home" Mode

The inverter is based on IGBT transistor technology and is easily adjustable for different tasks. The welding current is adjustable in the range of 10 to 100 A, and the Arc Force function automatically stabilizes the arc and maintains its stable burning. Beginner welders will benefit from the Hot Start and Anti-Stick technologies, which simplify arc ignition and prevent the electrode from sticking to the metal.

When using a current of up to 70 A and electrodes about 2 mm in diameter, the device can operate almost without interruptions. A built-in fan is provided to cool the internal components. At maximum power, the duration of continuous operation is noticeably reduced: the duty cycle coefficient is 20%. This means that after two minutes of welding, the inverter will require about eight minutes for cooling.

Compact and Affordable Solution

Inexpensive welding inverters are best suited for users who consider the capabilities and limitations of budget equipment. The Dedra DESI131BT will be a successful choice for occasional work and simple home tasks. The advantages of the model include an affordable price, a compact body, and a small weight — only 2.2 kg. The set also includes a strap allowing the device to be carried on the shoulder.

Over time, it is advisable to replace the electrode and ground cables with more flexible ones, as the standard wires are quite stiff. Otherwise, the inverter should not pose serious challenges during operation.