Why Low Frequency and Low Noise Matters？

2026-01-30

Stable arc Ignition: Low frequency arc rising ensures a consistent and soft start, reducing spatter and improving CUT quality.
Reduced Interference: Minimal electrical noise protects sensitive workshop equipment and ensures a cleaner power supply.
Operator Comfort: Lower operational noise creates a healthier, more focused working environment.

Introducing the CUT-55NHF: Engineered for Precision

Keygree’s CUT-55NHF plasma cutter is built to meet the exacting demands of thin sheet fabrication. With specifications tailored for versatility and reliability, it stands out as an ideal wholesale choice for businesses.

Model: CUT-55NHF
Power Input: 1P 220V
Current Range: 20–50A adjustable
Duty Cycle: Optimized for continuous operation
Design: Compact, with a user-friendly central socket layout for easy accessory connection.

1.DC INVERTER Technology：Provides stable power output, enhances energy efficiency, and ensures precise cutting control.

2.Comprehensive Protection Systems：Undervoltage & Overvoltage Protection: Safeguards the cutter and power supply from fluctuations.Overheat Protection: Prevents damage during prolonged use, extending machine lifespan.

3.Low Frequency Arc Rising：Delivers a smoother, more stable arc for cleaner cuts on thin materials.

4.Pilot ARC Function：Allows easy arc ignition even on painted or rusty surfaces, improving versatility.

5.Mash Cutting/Marking Capability：Enables precise marking and cutting in one pass, saving time and reducing material handling.

Keygree: Your Trusted Manufacturing Partner

With years of expertise in welding and cutting technology, Keygree combines innovative R&D with stringent quality control. Our products are tested under real-world conditions to ensure durability, safety, and performance. By choosing Keygree, you invest in reliability backed by professional support and wholesale-friendly pricing.

Ideal Applications

Sheet Metal Fabrication: Automotive repairs, decorative metalwork, HVAC components.
Industrial Maintenance: On-site repairs, pipeline modifications, machinery parts cutting.
DIY & Workshop Projects: Hobbyist metalworking, custom art creations, prototype development.

KeyGree Group Co., Ltd. is a wholly foreign-owned enterprise invested by British in 2009:

· Established: Founded in 2009 (UK investment).

· Scale & Capacity: 80,000m²+ facility producing 700,000+ welding units annually.

· Quality Assurance: Certified to CCC, CE, ISO9001:2015.

· Full-Spectrum Expertise: Vertically integrated from R&D and component manufacturing (transformers, heat sinks, PCBs) to final assembly of machines, torches, and laser systems.

· Complete Solutions: Offering both industrial-grade and household welding equipment lines.

Schedule an On-Site Demo (Client-Funded): Contact our engineering team to arrange verification testing

Tel: +86 18058395375

Email: info@keygree.com