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Powerful DC Spot Welder

OEM & custom branding Customisable CE

High-performance DC spot welder designed for stable, energy-efficient metal welding with balanced three-phase power input and low-grid-impact DC output. Available in DTB-280, DTB-340 and DTB-450 models.

Specification

Machine TypePowerful DC Spot Welder
Rated capacity280/340/450 kVA
Input voltage380V three phase
Cooling Water Flow14/16/20 L/min
ModelDTB-280, DTB-340,DTB-450
Short_Circuit_Current65/80/100 KA
Inverter_Frequency1000 HZ

About this product

The Powerful DC Spot Welder is designed for high-performance resistance welding of various metal materials. With balanced three-phase power input, low-grid-impact DC output and stable current control, the machine provides efficient and consistent welding performance for demanding industrial applications.

It is suitable for welding aluminum, copper, galvanized steel sheets, carbon steel, nickel and tungsten, as well as high-temperature enameled wire, flexible connections and inductor coils.

The DTB series is available in different capacity options, allowing customers to select a suitable model according to welding material, thickness and production requirements. It is widely used in automotive and auto parts manufacturing, new energy batteries, optoelectronic communications, motors, hardware, furniture and kitchenware.

OEM, ODM & customised orders

This photo shows a typical example of the style. Size, material, colour, quantity and delivery timing are set to your order — we quote each one.

  • OEM — your logo, colours and packaging on this style
  • ODM — we develop the design with you, from a sketch or a sample
  • Customised — size, material, function and finish changed to your specification
  • Any quantity discussed — trial orders, container loads or a project
OEM · ODM · Customised

Make this style your product

What you see is a typical example. Tell us what to change — we build it to your order and quote the quantity and timing you actually need.

Your logo & branding Printed, engraved, embossed or moulded in — on the product and the packaging.
Colour & material Pantone-matched colours and the material grade your market asks for.
Size & specification Dimensions, capacity, power or fittings changed to your drawing or sample.
Packaging Retail boxes, inserts, labels and barcodes to your artwork.
New design (ODM) Start from a sketch, a reference sample or an idea — we develop it with the factory.
Any order size Trial runs, container loads or a full project. Quantity is agreed per order.

Minimum quantity, delivery time and price depend on what you customise — they come with your written quote, not from a list.

How a customised order runs

  1. You tell us what to changeLogo, colour, size, packaging — or a whole new design
    1
  2. Written quotePrice, quantity and timing for exactly that order
    2
  3. Sample for approvalYou sign off a sample before bulk production
    3
  4. ProductionAt the factory, against the sample you approved
    4
  5. Inspection & shippingChecked with photos before payment is released, then shipped to your port
    ✓
Customise with AI

Make it yours.
Brief it in a minute.

Tell the assistant your quantity, branding, packaging and port. It asks what the factory will ask, then hands our team a brief with this product already attached.

  • Starts with Powerful DC Spot Welder on your brief
  • OEM, ODM or fully customised — it asks what the factory will ask
  • Our team turns it into one written quote
Sourcing assistant Product briefing
OC

This is a typical example of the style — we make it as OEM with your branding, as ODM from your own design, or customised in size, material and finish. Tell me what you want changed, roughly how many, and where it ships — I will build the specification our team quotes from.

3 free messages, no account needed to start. Starts your brief with this product attached
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