The Leroy Somer R250 AVR (Automatic Voltage Regulator) is designed to fit LSA37 to LSA47.2 alternators with shunt excitation. Genuine and made in France. For GBP, EURO or USD pricing please contact us: Sales: james.daff@sp-powerworld.com Office: info@sp-powerworld.com Tel: +44 (0)115 923 2568 (United Kingdom) Tel: (24-hour) +44 (0)7484709956 (United Kingdom) SP POWERWORLD LTD - WILLOWS - WATERSIDE - RYHALL - STAMFORD - LINCS - PE9 4EY - UNITED KINGDOM