The compact stud welding unit LBH 410 is designed for drawn arc stud welding. It convinces through easy operation and high welding quality. The robust construction ensures high reliability and high power-on time. All functions are indicated by clearly arranged LED. The welding time is continuously adjustable by the rotary knob on the front.

Welding range Ø 2-8 mm
Welding material steel, stainless steel
Welding method
(ceramic ferrule)
drawn arc (ceramic ferrule)
Welding current 400 A
Welding time 40-350 ms, continuously adjustable
Power source transformer/rectifier
Mains plug CEE 32 A
Mains supply 400 V, 25 A, 50/60 Hz
(special voltages optional)
Mains fuse external 25 AT
Protection IP 23
Dimensions (WxHxL) 195x265x410 mm
Weight 27 kg
Item number B-90-30-3032
Suitable welding guns PHM-10, PHM-12
  • easy operation
  • high welding quality
  • welding time continuously adjustable
  • indication of all functions by LED
  • indication of error messages by LED
  • compact construction
  • low weight
  • highest operational reliability and high power-on time through exclusive use of high-quality components
  • electronic control of all functions
  • repeat cycle lock to avoid welding on an already welded welding element
  • automatic function test after switch-on
  • temperature control as protection against destruction through excess temperature
  • automatic switch-off in case of excess temperature and phase failure
  • protection of the unit in case of a fault on welding/control line cable and solenoid
  • thermic controlled ventilator
  • robust, powder-coated metal housing
  • stable fixing of welding cable sockets at own plug holder, prevents damage on housing caused by pulling of cable