Leroy Somer AVR R438 | Original

Leroy Somer AVR R438 | Original — Leroy Somer Automatic Voltage Regulator (AVR)

The R438 is an original Leroy Somer automatic voltage regulator (AVR) designed to maintain stable output voltage in alternators and generator sets.

Specifications

• Model: R438
• Type: Automatic Voltage Regulator (AVR)
• Brand: Leroy Somer

When to Replace Your AVR

Symptoms of a faulty AVR include: unstable or fluctuating output voltage, inability to maintain voltage under load, alternator over/under-excitation, and frequent protection trips. If you notice any of these, the AVR likely needs replacement.

Applications

• Industrial and commercial generator alternators
• Standby and prime power generator sets
• Marine power generation systems

Benefits

• Maintains stable output voltage under varying loads
• Protects connected equipment from voltage fluctuations
• Extends alternator service life
• Direct drop-in replacement

Power Master Inc.

Authorized distributor of Leroy Somer AVRs in the Americas. Full inventory, technical support and fast shipping.