Sunstone
Sunstone PA250i Micro TIG Welder
SKU: 310080
Description
Overview
The Sunstone PA250i is a high-power pulse arc (micro TIG) welding system engineered for demanding micro-welding tasks that require strong weld energy with precise control. Delivering up to 250 joules of pulse energy, the PA250i produces clean, controlled welds across a wide range of conductive materials, from delicate foils to robust bus bars and tabs with minimal heat-affected zones.
Designed for professional engineers, production floors, automated lines, and R&D environments, the PA250i combines advanced digital control, programmable profiles, and versatile configuration options for industrial-grade micro-welding performance.
Shipping Notice
This product is not eligible for free shipping.
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Flat Freight Rate: $349 (discounted rate)
Ideal For
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Battery tab and bus bar welding
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Aerospace sensor and connector assembly
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Automated production lines and PLC integration
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Electronics and electromechanical prototyping
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High-throughput micro-welding environments
Key Features
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Up to 250 joules of pulse energy for strong, versatile welds across conductive materials.
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Advanced digital control panel with adjustable weld parameters.
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Three configuration options: stylus only, weld head, or CNC/robotic integration.
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PLC-ready with multiple I/O for seamless automation.
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CNC compatibility for high-volume production workflows.
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Digital waveform visualization and profile storage.
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Small, localized heat-affected zone for minimal impact on surrounding materials.
Applications
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High-current conductive join welding
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Battery pack and tab attachment
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Automated weld cells in production environments
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Precision microelectronic assembly
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Aerospace component assembly
Specifications
| Specification | Details |
|---|---|
| Weld Type | Pulse Arc (Micro TIG) |
| Maximum Energy Output | Up to 250 joules |
| Control Interface | Advanced digital control panel |
| Configuration Options | Stylus, weld head, or CNC/robotic integration |
| I/O Integration | PLC-ready with multiple inputs/outputs |
| Operating Environment | Production floors, R&D labs, automated systems |
| Shielding Gas | Argon compatible |
What’s Included
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Sunstone PA250i Micro TIG Welder
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Standard welding cables and connections
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Power cord
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Operating documentation
Warranty
This product includes Sunstone’s standard 2-Year Limited Manufacturer Warranty, covering defects in materials and workmanship.
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Internal electronics and system components covered for 2 years
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Consumable parts covered under a 1-Year warranty
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All service and support provided by Sunstone’s U.S.-based technical team
Customer Resources
📄 Datasheet
📄 User manual
▶️ Video: Product Video
📧 Customer Support: Direct manufacturer assistance troubleshooting. Contact them at custservice@sunstonewelders.com | +1 (877) 786-9353
DO YOU NEED TRAINING?
Sunstone's training team is ready to help you master the PA250i Micro TIG Welder Visit Sunstone's Training Page to learn more.
Shipping & Delivery
Free standard U.S. shipping on eligible orders over $200. Large equipment and freight shipments may require additional charges or a separate quote based on destination, access, and delivery requirements. Contact us to confirm freight costs before ordering.
Returns & Warranty
Eligible unused and uninstalled products may be returned within 30 days, subject to return authorization and manufacturer restrictions. Manufacturer-required restocking fees may apply to change-of-mind returns. Warranty terms vary by manufacturer and product. Read our full return policy.
Purchase Protection & Manufacturer Support
We supply genuine equipment and help coordinate manufacturer support. Returns are subject to eligibility and any manufacturer-required restocking fees. Shipping and warranty terms vary by product. View our return policy.
- Eligible returns within 30 days
- Freight terms confirmed for large equipment
- Manufacturer warranty terms vary
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