The SP Powerworld EA448 Compatible Voltage Regulator is a direct replacement for the discontinued Leroy Somer RS437 A & R448 models.
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.
Brochure & Manual: http://www.sp-powerworld.com/products/leroy-somer-series-avr/sp-powerwor...
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