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Automatic Voltage Regulator for Welder Generators

The EW05 is a self excited type genset voltage regulator and is a compatible replacement for Sawafuji welder generator regulators, Suzuki CCW-210 / CCW-190H regulator, Honda EW-190S regulator, Daishin SGW-200HX regulator and KATYU SCW-190X regulator.

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Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturer.


  • For Use In 50/60 Hz Brushless Generators
  • Single Phase Sensing, Same As Original
  • External Welding Current Adjustment
  • External AC Voltage Adjustment
  • Provides Regulation For Welder & AC Output
  • Automatic Welder Current Compensation
  • Compatible with Original Modules


Model NO. EW05
Power Input Voltage 90~130 VAC 1 phase 2 wire 50/60 Hz
Output Voltage 45 VDC
Current Continuous 5A, Intermittent 15A for 10 sec.
Current Adjustment Welding current 50~190A
Current Compensation Automatic welder current compensation
Voltage Build-up Residual voltage at AVR Terminal > 2 VAC
Thermal Drift 0.05% per °C change in AVR ambient
Environment Operating Temperature : -40~70 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 90%
Vibration : 1.5G @ 5~30 Hz , 5.0G @ 30~500 KHz
Dimensions 104.0 (L) x 75.0 (W) x 48.0 (H) mm
Weight 224 g ±2%

*Note : All features & specifications subject to change without notice.