Leroy Somer AVR EM15 – Automatic Voltage Regulator

The Leroy Somer EM15 is a high-quality Automatic Voltage Regulator (AVR) designed to provide precise voltage control for small to medium alternators. Compact and efficient, it supports SHUNT excitation systems and ensures excellent voltage stability under varying load and speed conditions. Engineered for durability and reliability, the EM15 is ideal for industrial and commercial generator applications requiring consistent performance and long service life.

Key Specifications:

• Voltage Regulation: ±1% steady-state accuracy

• Excitation Current: Up to 4 A continuous

• Sensing Voltage Range: 170 V – 260 V AC (50/60 Hz)

• Response Time: <500 ms typical

• Operating Temperature: –40 °C to +70 °C

• Excitation System: SHUNT type

• Protection: Over-excitation and thermal protection built-in

• Compatibility: Suitable for Leroy Somer TAL, LSA, and equivalent alternator models