EA05A Automatic Voltage Regulator for Generator Sets The EA05A Automatic Voltage Regulator is engineered to deliver precise, stable voltage control for industrial and commercial generator applications. Designed for compatibility with 50 Hz and 60 Hz systems, it ensures dependable performance under varying load conditions, protecting equipment and maintaining power quality. Key Features and Benefits: Stable voltage output with less than ±0.5% variation, ensuring consistent electrical performance. Selectable DIP switch for easy configuration to match 50 Hz or 60 Hz systems. Wide input sensing range for singlephase VAC: 220, 380, or 440 volts, supporting diverse generator setups. Output up to 90 VDC with continuous 5A current capability, providing reliable power delivery. Compact dimensions: 101 mm length x 69 mm width x 47.5 mm height, with a lightweight build of 183 g ±2% for easy installation and integration. Minimal thermal drift (only 0.03% per °C) to maintain accuracy in challenging environments. External voltage adjustment ±7% via builtin trimmer for finetuning output as needed. Integrated EMI suppression to reduce electrical interference and protect sensitive equipment. Protection Mechanisms: Underfrequency protection triggers automatically at 55 Hz for 60 Hz systems or 45 Hz for 50 Hz systems, preventing damage from lowspeed operation. Soft start ramp of 3 seconds reduces mechanical stress on generator components, extending service life and minimizing downtime. Practical Applications: 1. Industrial facilities that require stable power output from generator sets to operate precision machinery without power fluctuations. 2. Commercial buildings relying on standby generators to maintain uninterrupted operations during grid outages. 3. Remote construction sites using portable generators to power tools and equipment under varying load demands. The EA05A Automatic Voltage Regulator offers a dependable, precise, and compact solution for voltage regulation in generator systems, combining stability, versatility, and protection features to ensure smooth and reliable operation in any demand environment.