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Sigma One is a super simple, high-performance inverter. It is ideal for busy welding productions where the main aim is to keep productivity level high.
Use Sigma One for welding large steel structures, prefabrication and thick plates in mild and stainless steel in the production hall or on-site.
Key features
- High duty cycle – weld for many hours
- Few programs and function – only the essentials
- Fast welding with pulse function
- Advanced equipment, simple to operate
Product Specifications
- Current range: 15-300 A
- Mains voltage +/- 15 %: 3 × 400 V
- Fuse type C: 16 A
- Mains current, effective: 11.0 A
- Power, 100%: 9.0 kVA
- Efficiency: 0.85
- Power factor: 0.9
- Minimum generator size: 16 kVA
- Duty cycle 100 %/20 °C (MIG): 290 A/28.5 V
- Duty cycle max./20 °C (MIG): –
- Duty cycle 100 %/40 °C (MIG): 220 A/25.0 V
- Duty cycle 60 %/40 °C (MIG): 240 A/26.0 V
- Duty cycle max./40 °C (MIG): 300 A/25 %/29.0 V
- Application class: S/CE
- Protection class: IP 23S
- Standard: IEC60974-1. IEC60974-10 Cl. A
- Dimensions C (HxWxL): 700 mm × 260 mm × 735 mm
- Dimensions S (HxWxL): 454 mm × 260 mm × 735 mm
- Weight C: 36.9 kg
- Weight S: 26 kg
Returns policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping details
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping details
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.