Description
The Edon TB-250 is popular among Kenyan welders looking for an affordable, compact welding machine that operates on single-phase electricity. It can be used in small fabrication workshops, garages, farms and suitable construction maintenance projects.
The machine is advertised with a digital current display, adjustable welding output, fan cooling and support for commonly used stick welding electrodes.
Important specification note: Although the model is marketed as a 250A welder, a published Edon TB-series technical table lists the TB-250’s actual MMA output range as 20–120A. Other retailers advertise 20–250A. Buyers should verify the machine’s rated output on its nameplate rather than relying only on the TB-250 model number.
KSh 5,999–9,467
Advertised prices for selected Edon TB-250 packages in Kenya
| Supplier | Advertised Price |
|---|---|
| Toolsman Kenya | KSh 5,999 |
| Jumia Kenya, TB-250 MMA | KSh 6,499 |
| Jumia Kenya, digital display version | KSh 6,999 |
| Jumia Kenya, heavy TB-250 version | KSh 8,499 |
| Kreatives Kenya | KSh 8,500 |
| Jumia Kenya, TB-250 with welding rods | KSh 9,467 |
These are online advertised prices, not confirmed quotations from Peter Machines and Spares. Prices and package contents may change.The final price depends on the model version, welding cables, accessories, warranty and seller.
Edon TB-250 Technical Specifications
| Specification | Published TB-250 Data |
|---|---|
| Brand | Edon |
| Model | TB-250 |
| Welding Process | MMA / Stick / Arc welding |
| Inverter Technology | IGBT |
| Input Voltage | Single-phase 220V ±15% |
| Frequency | 50/60Hz |
| Input Current | 21.8A |
| Input Capacity | 4.7kVA |
| MMA Output Current | 20–120A in published TB-series table |
| Advertised Model Output | Up to 250A in some retailer descriptions |
| No-Load Voltage | 65V ±5V |
| Rated Duty Cycle | 60% at 40°C, according to published table |
| Efficiency | 85% |
| Power Factor | 0.73 |
| Electrode Diameter | 1.0–3.2mm in published table |
| Insulation Class | Class F |
| Protection Class | IP21S |
| Motor | Not applicable; electronic inverter welder |
| Cooling | Fan cooling |
| Main Applications | Mild steel welding and general repairs |
Figures are taken from the published Edon TB-series technical table. Actual production versions and retailer specifications may differ.
Main Features of Edon TB 250 Welding Machine
1. IGBT Inverter Technology
The Edon TB-250 uses IGBT inverter technology to convert incoming electrical power into controlled welding output.
This allows the machine to be smaller and more portable than many traditional transformer welders.
The inverter design also supports adjustable welding current, helping the operator match the welding settings to different electrodes and workpieces.
2. Adjustable Welding Current
The welding current can be adjusted using the machine’s control panel.
Lower current settings are useful for small electrodes and thinner steel.
Higher settings may be required for larger electrodes and thicker joints.
The available current must be checked on the actual machine. The TB-250 name alone does not guarantee a genuine 250A welding output.
3. Digital Current Display
Many Edon TB-250 versions sold in Kenya feature a digital display.
This helps the operator view the selected welding current.
A digital display is convenient when changing settings between different welding tasks.
However, the displayed current should not automatically be treated as a calibrated measurement of actual output.
4. MMA Stick Welding System
The Edon TB-250 is designed for manual metal arc welding.
This process uses a consumable flux-coated electrode to create a weld between metal components.
MMA welding is widely used for gates, steel doors, window grills, brackets, farm equipment and general fabrication.
It is practical for many outdoor jobs because it does not normally require a separate shielding gas cylinder.
5. Portable and Compact Design
The TB-250 is intended for users who need to move welding equipment between work areas.
Its compact inverter construction makes it convenient for small workshops and mobile repair work.
Always place the machine on a dry, stable surface and protect it from rain.
6. Fan Cooling and Thermal Protection
The TB-series machines are advertised with fan cooling and overheating protection.
Cooling helps remove heat from internal electronic components during operation.
If the machine reaches its thermal limit, welding may stop until the internal temperature decreases.
Proper ventilation and duty-cycle management remain important.
7. Hot Start and Anti-Stick Features
Some Edon TB-250 packages advertise Hot Start and Anti-Stick functions.
Hot Start helps with arc ignition, while Anti-Stick can reduce output when an electrode sticks to the workpiece.
These functions can make MMA welding easier, especially for users learning electrode control.
Their availability should be confirmed on the exact machine.
8. Single-Phase Electrical Supply
The published TB-250 technical table specifies single-phase 220V input.
This makes it suitable for consideration in workshops with a properly rated single-phase electrical installation.
The rated input current is 21.8A, so users should not assume an ordinary 13A socket or extension cable is sufficient. Have a qualified electrician verify the circuit, plug and protection requirements.
Applications of Edon TB 250 Welding Machine in Kenya
| Application | Typical Welding Work |
|---|---|
| Gate fabrication | Joining steel frames, bars and hinges |
| Window grills | Welding security grills and frames |
| Steel furniture | Making tables, chairs and shelves |
| Farm maintenance | Repairing suitable steel equipment |
| Vehicle workshops | Non-safety-critical metal repairs |
| Construction maintenance | Welding brackets and general fittings |
| Home workshops | DIY steel fabrication |
| Metal repair businesses | Repairing damaged mild steel components |
Gate and Window Grill Fabrication
The Edon TB-250 can be used for everyday mild steel fabrication, including gates, security grills and metal frames.
It is particularly useful for workshops working with common stick electrodes such as E6013.
Correct joint preparation and electrode selection are important for producing strong welds.
Metal Furniture Production
Metal furniture makers can use the TB-250 for joining suitable steel sections when manufacturing chairs, tables, shelves and storage racks.
Its adjustable output helps operators work with different steel thicknesses within the machine’s capacity.
Agricultural Equipment Repairs
The machine can assist with repairs to suitable steel components on farms.
For load-bearing or safety-critical equipment, repairs should follow a qualified welding procedure.
Recommended Welding Electrodes for Edon TB-250
The published TB-250 specification lists an electrode diameter range of 1.0–3.2mm.
| Electrode Diameter | General Current Guide | Typical Use |
|---|---|---|
| 1.6mm | 25–45A | Light steel repairs |
| 2.0mm | 40–70A | Thin steel and small joints |
| 2.5mm | 60–100A | Gates, grills and furniture |
| 3.2mm | 90–130A | Medium steel fabrication |
| 4.0mm | 130–190A | Requires a machine specifically rated for it |
The current ranges are general electrode guidelines. The actual setting depends on electrode type, welding position and manufacturer instructions.
For the TB-250 version rated at 120A, 2.5mm electrodes are a practical everyday option, while 3.2mm electrodes may be usable within the machine’s rated limits.
Do not assume that a 4.0mm electrode is supported simply because the machine is marketed as TB-250.
Edon TB-200 vs TB-250 vs TB-300 Welding Machines
The following comparison uses the published TB-series technical table rather than the advertised model numbers.
| Feature | TB-200 | TB-250 | TB-300 |
|---|---|---|---|
| Input Voltage | 220V | 220V | 220V |
| Input Capacity | 3.8kVA | 4.7kVA | 5.8kVA |
| Input Current | 17.6A | 21.8A | 26.2A |
| Published MMA Current | 20–100A | 20–120A | 20–140A |
| Maximum Listed Electrode | 2.5mm | 3.2mm | 3.2mm |
| Duty Cycle | 60% | 60% | 60% |
| Inverter Technology | IGBT | IGBT | IGBT |
Source: Edon TB-series technical table reproduced in the online manual. Ratings may differ across production versions.The TB-250 provides a higher published output range than the TB-200, making it worth considering for workshops that regularly use 2.5mm and selected 3.2mm electrodes.
Understanding the Duty Cycle of Edon TB-250
Duty cycle is the percentage of a ten-minute period during which a welding machine can operate at a specified output current and test temperature.
The published TB-250 table states a 60% duty cycle at 40°C.
This means that, at the rated test current, the machine may be operated for six minutes within a ten-minute period, followed by sufficient cooling time.
It does not mean the machine can weld continuously at its maximum current.
How to Choose the Best Edon TB 250 Welding Machine
Before purchasing, consider the machine’s actual output, electrical requirements and intended workload.
Check that the rated welding current is suitable for your preferred electrode size. Verify the input current and ensure the workshop has a properly rated electrical circuit.
Also confirm that the package includes suitable welding cables, an electrode holder, a work return clamp and a user manual. A welding helmet, gloves and other protective equipment may be sold separately.
How to Use Edon TB-250 Welding Machine
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Place the machine on a dry, stable surface with adequate ventilation.
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Inspect the electrical supply, welding cables and connectors.
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Connect the electrode holder and work return cable using the polarity specified for the electrode.
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Attach the work return clamp securely to clean metal.
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Select a suitable electrode and welding current.
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Wear a welding helmet, welding gloves and flame-resistant clothing.
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Strike the arc and maintain a consistent arc length.
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Move the electrode steadily along the joint.
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Stop welding if an overheating or overcurrent warning appears.
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Allow the machine to cool and switch it off after use.
Welding fumes, ultraviolet radiation, electric shock and hot metal can cause serious injury. Use suitable ventilation, protective equipment and fire precautions.
Maintenance Tips for Edon TB-250
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Keep ventilation openings free from dust.
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Inspect welding cables and clamps regularly.
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Avoid using damaged electrode holders.
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Protect the machine from rain and moisture.
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Follow the rated duty cycle.
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Keep cable connections tight.
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Store the welder in a clean, dry location.
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Have internal electrical repairs performed by a qualified technician.
Do not open the inverter enclosure yourself. Internal capacitors may retain dangerous voltage even after the machine has been unplugged.
Common Edon TB-250 Welding Problems
| Problem | Possible Cause | Recommended Action |
|---|---|---|
| Electrode keeps sticking | Low current or poor arc control | Check current and electrode technique |
| Arc is unstable | Loose connection or incorrect settings | Inspect connections and polarity |
| Excessive spatter | Incorrect current or arc length | Adjust settings and technique |
| Weak weld penetration | Poor preparation or insufficient current | Clean joint and verify settings |
| Machine overheats | Excessive welding time or blocked airflow | Stop and allow cooling |
| No welding output | Protection shutdown or electrical fault | Stop and seek qualified inspection |
| Circuit breaker trips | Insufficient circuit rating or machine fault | Have supply checked by an electrician |
Where to Buy Edon TB 250 Welding Machine in Kenya
The Edon TB-250 Welding Machine is listed on the Peter Machines and Spares website.
View Edon TB-250 at Peter Machines and SparesSupplier: Peter Machines and Spares
Location: Nairobi, Kenya
Call/WhatsApp: 0719276999
Website: petermachinesandspares.co.ke
Contact the supplier to confirm the current selling price, exact model rating, accessories, warranty and delivery arrangements.
Frequently Asked Questions
What is Edon TB 250 welding machine?
The Edon TB-250 is a portable DC inverter MMA welding machine designed for stick welding and general metal fabrication.
How much is Edon TB 250 welding machine in Kenya?
Kenyan online listings advertise selected Edon TB-250 models from approximately KSh 5,999 to KSh 9,467, depending on the supplier and accessories.
Is Edon TB-250 a 250-amp welding machine?
It is marketed as a 250A model by some sellers, but a published TB-series specification table lists an actual output range of 20–120A. Check the nameplate on the machine before buying.
Can Edon TB-250 weld with 3.2mm electrodes?
Yes. The published TB-250 specifications list support for electrodes up to 3.2mm, subject to the required welding current.
Can Edon TB-250 use 4mm welding rods?
The published TB-250 specification does not confirm 4.0mm electrode support. Choose a machine specifically rated for the electrode and required current.
Does Edon TB-250 use single-phase electricity?
Yes. The published TB-250 specification lists single-phase 220V AC input.
Is Edon TB-250 suitable for gate fabrication?
Yes. It can be used for common mild steel gates, grills and metal furniture within its rated capacity.
Does Edon TB-250 have a digital display?
Many Edon TB-250 versions sold in Kenya feature a digital current display.
Can Edon TB-250 weld stainless steel?
It can weld suitable stainless steel using compatible MMA electrodes and the correct welding procedure.
Can Edon TB-250 run on a generator?
It may run on a properly sized generator with stable output. Generator selection must account for the welder’s actual input requirements, not only the model number.
What is the duty cycle of Edon TB-250?
A published TB-series specification lists a 60% duty cycle at 40°C. The rating should be confirmed on the exact machine.
Where can I buy Edon TB-250 in Nairobi?
Contact Peter Machines and Spares on 0719276999 for current pricing, availability and ordering information.
I can also create an Edon TB-250 product flyer for your website, Facebook and WhatsApp.
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