OTC WB-M350L

350A digital inverter welder featuring low spatter mode, optimal current control, and high arc stability for superior welding quality.

Product Specification

CO₂ / MAG / MIG Low-Spatter System OTC DAIHEN® Welbee

OTC Welbee WB-M350L Digital Inverter Welding Machine

Industrial Medium-Heavy Platform • 350A Standard Output Class

OTC Welbee WB-M350L is a highly versatile, state-of-the-art digital inverter welding machine meticulously engineered for high-performance CO₂, MAG, and MIG welding applications. Driven by advanced digital waveform controls, this unit delivers exceptional arc stability, high energy efficiency, and a streamlined operational workflow tailored for demanding fabrication lines.

Key Features

Dedicated Low Spatter Mode: Incorporates advanced current wave shaping techniques to dramatically suppress spatter generation across all current ranges, drastically dropping post-weld cleanup time.
Advanced Inverter Waveform: Guarantees instantaneous digital profiling of the arc path, yielding a perfectly smooth, predictable, and clean puddle behavior.
Digital Turbo Start & End Pulse: Integrates specialized initiation and termination pulse sequences to facilitate near-flawless arc strikes and minimize common end-crater defects.
Optimal Fusion Distribution: Maintains absolute bead depth consistency and structural fusion control across varying plate materials and gauge thicknesses.

Operational Advantages

60% Heavy Duty Cycle: Tailored for extended, continuous industrial workloads without risking thermal overload or drop-offs in performance output.
Intuitive Parameter Controls: Equipped with a crisp digital dashboard and highly visible LED display panels to make monitoring and field adjustments effortless.
Optimized Power Draw: Advanced internal digital architecture limits idle energy waste and maximizes real power delivery during arc runtime.
Streamlined Profile Memory: Allows quick profile saves for repeating fabrication jobs, making multi-operator parameter switching seamless.

Technical Specifications

Specification Parameters	WB-M350L Rating
Input Voltage	3-Phase, 400V
Output Current Range	30 – 350 A
Output Voltage Range	12 – 36 V
Rated Duty Cycle	60%
Wire Feeding Speed	Up to 22 m/min
Applicable Wire Sizes	0.8 – 1.6 mm
Dimensions (W x D x H)	395 x 710 x 640 mm
Machine Weight	62 kg

System Peripheral Compatibility

Supported Components	OEM Model Numbers
Wire Feeder Model	CMV-7402
Welding Torch Models	WT3500-SD, WT3510-SDL

Note Integraion: The WB-M350L model has a slightly more compact body profile (640 mm high vs. 810 mm on the P500L series) making it very flexible to be placed in a fabrication workstation stacking rack without sacrificing heat dissipation circulation stability.