The Industrial NL-1051A high-current ignitron tube from Weldtronic is a size B mercury-pool tube built for heavy-duty, high-current switching in industrial resistance welding and AC power-control systems. It is water-cooled and designed for dependable arc initiation and controlled power delivery in resistance welding machines, weld controllers, industrial rectifier systems, and legacy high-current switching equipment. Key specifications include NL-1051A model, Mercury-Pool Ignitron, Size B, water-cooled design, and industrial tube socket mount, with common applications in welding control cabinets and power systems.
