WSM-400S / WSM-500S IGBT DC Inverter Welding Mach | RFQ Sourcing Details
Arc Welding Machines · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Arc Welding Machines. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The WSM-400S and WSM-500S are industrial IGBT DC inverter welding machines for three-phase 660 V or 1140 V, 50 Hz input power. The WSM-400S is listed with 14.5 kVA rated input capacity and a 0–400 A current range, while the WSM-500S is listed with 20 kVA capacity and a 0–500 A range. Both configurations specify a 20 k.
Hz inverter frequency, 75 V no-load voltage, 60% duty cycle, 90% efficiency, Class F insulation, water cooling, and a vertical equipment format. The described control board combines IGBT drive and control functions with preset-current, arc-force-current, thermal-protection, and over-current-protection functions.
The broader machine description also lists built-in overheat, over-current, and over-voltage protection. Supported electrode ranges are 0.8–5.0 mm for the WSM-400S and 0.8–6.0 mm for the WSM-500S. Both models are listed at 560 × 280 × 520 mm;stated weights are 28 kg and 30 kg respectively.
Procurement note: the supplied information uses MIG/MAG, pulse MIG, MMA, argon-arc, gouging, and butt-welding terminology in the same .
Buyers should therefore confirm the exact processes enabled on the quoted machine, its included control board and software configuration, and whether synergic, pulse, or double-pulse modes are standard.
The title also references 380 V, but the model table specifies three-phase 660 V/1140 V input;confirm the required input-voltage configuration before ordering. Also confirm whether the water-cooling system is included or optional, as both descriptions appear in the supplied information.
Other items presented as optional include a heavy three-level trolley, robotic connectors, shipyard-oriented PCB coating and fan routing, PFC configurations, and a 100–250 A spool gun for aluminum welding.
Buyers should request the exact included package, connector and torch details, cable set, wire-feeding arrangement, cooling hardware, process capabilities, documentation, and acceptance-test requirements for the selected model.
WSM-400S | Applications and Buyer Notes
WSM-400S is organized as a sourcing-ready Arc Welding Machines reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time que
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Arc Welding MachinesBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Models
- WSM-400S;WSM-500SBased on visible page data; confirm exact value in the RFQ.
- Weight
- 28 kg-400S);30 kg-500SBased on visible page data; confirm exact value in the RFQ.
- Dimensions
- 560 × 280 × 520 mmBased on visible page data; confirm exact value in the RFQ.
- Duty cycle
- 60%Based on visible page data; confirm exact value in the RFQ.
- Efficiency
- 90%Based on visible page data; confirm exact value in the RFQ.
- Input power
- 3-phase 660V/1140V, 50HzBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
Continue from this detail page into sourcing structure
These links connect the detail page back to category hubs, procurement aggregates and knowledge pages so new inventory is not isolated.
This URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 100kw Spot Welding Machine Automatic Welder Is Suitable For Metal Mesh Frame Shelf WeldThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 135a Flux Core Mig Welder 220v 3 In 1 Mig Arc Lift Tig Welding Machine Igbt Dc Inverter Gasless WeldThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 1500w Air Cooling Handheld Semi Auto Fiber Laser Welding Machine For Sale W Handheld LaseThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 15m Pulse Width Fiber Laser Welding Machine For Electronic IndustryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 160mm Hydraulic Pvdf Pe Pipe Butt Fusion Welding Machine 2026 Plastic Welding Machinery ManufacturThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 2000w Water Cooling Handheld Laser Welder Multi Function Fiber Laser System 2026 Handheld Laser WeThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 200w Spot Laser Welding Machine Jewelry Portable Table Laser Soldering Welding Machine Welding MacThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 3 In 1 Cnc Fiber Portable Metal Handheld Laser Welding Machine With 1500w Price 2000w 3000w HandheldThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 3 Phase Mig Welder 350 Amp Arc Welder Co2 Gas Mig Mag Mma Aluminum Welding MachineThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 350a 500a 600a Igbt Aluminum Mig Welding Machine Aland Welding Machines Manufacturer Mig Tig Mma LThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Arc Welding Machines categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Laser And Resistance Welding categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Plasma And Flame Cutting categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
WSM-400S / WSM-500S DC IGBT Inverter Arc Welding MachineRequest Quote
ARC330IL Portable IGBT Inverter DC MMA Arc Welding Machine, 20–240 ARequest Quote
Huayuan Zx7-400igbtx3 MMA Welding Machine/Arc Stick MMA Welding Machine - MMA Inverter Welding MachiRequest Quote
Industrial Welding Inverter IGBT Tube Arc Welding MachineRequest Quote![[Hot Item] Arc315 Mini IGBT DC Inverter MMA315 Mini Welding Machine](/file/upload/source-mirror/weldcutsource/d3/fd/d3fde5dfaf634932b0148eddfc844dbc2d14940c.jpg)
[Hot Item] Arc315 Mini IGBT DC Inverter MMA315 Mini Welding MachineRequest Quote
Portable Inverter IGBT Arc/MMA Mini Welding Machine Arc-200I 50/60HzRequest QuoteWeldCutSource related sourcing paths
Arc Welding Machines for Pipe And Tank Welding
Welding Workshop Equipment Sourcing
WeldCutSource procurement phrases
WeldCutSource related product samples
The MIC ZD7-1000IGBT and ZD7-1250IGBT are high-performance welding power sources designed to meet the diverse needs of w...
Arc Welding Machines Large Diameter Pipe Welding Equipment - Automatic Welding Machine and Pipe and Pipe WeldingArgon tungsten arc welding, TIG, automatically filling the welding wire.suitable for pipeline with pipeline, pipeline wi...
Arc Welding Machines Large Diameter Pipe Welding Equipment Made in China - Automatic Welding Machine and Pipe and Pipe WeArgon tungsten arc welding, TIG, automatically filling the welding wire.suitable for pipeline with pipeline, pipeline wi...
Arc Welding Machines Multi Process Automatic Pipe Welding Machine (TIG+MIG+SAW) - Automatic Welding Machine and Arc WeldeArgon tungsten arc welding, TIG, automatically filling the welding wire.suitable for pipeline with pipeline, pipeline wi...
Arc Welding Machines High-Precision Flange Welder for Butt/Fillet Welds - Pipe Welder and Automatic Welding MachineArgon tungsten arc welding, TIG, automatically filling the welding wire.suitable for pipeline with pipeline, pipeline wi...
Arc Welding Machines Automatic Pipe Welding Equipment (with flange welding) - Automatic Welding Machine and Pipe and PipeArgon tungsten arc welding, TIG, automatically filling the welding wire.suitable for pipeline with pipeline, pipeline wi...