Leroy Somer RS437 A AVR Automatic Voltage Regulator

The SP Powerworld EA448 Compatible Voltage Regulator is a direct replacement for the discontinued Genuine Leroy Somer RS437.

Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections, it also comes with 12 months warranty.