Leroy Somer R130 Automatic Voltage Regulator - Premium OEM AVR for Industrial Generators

The Leroy Somer R130 AVR represents a proven solution in generator voltage regulation technology, trusted by professionals worldwide for its reliability and precision performance. This genuine OEM automatic voltage regulator is engineered specifically for compound-wound alternator systems, providing exceptional voltage stability and protection for your critical power generation equipment. The R130 series is divided into three commercially distinct variants - R130A, R130B, and R130C - which share identical technical specifications and performance characteristics, with differentiation established purely for market segmentation purposes.

Designed with robust circuitry and precision components, the Leroy Somer R130 voltage regulator excels at maintaining consistent output voltage regardless of load fluctuations or input variations. This AVR utilizes advanced shunt regulation technology to manage excess exciting current, ensuring your generator maintains its rated voltage output under all operating conditions. When voltage exceeds the programmed threshold, the R130 automatically shunts surplus excitation current, protecting your generator and connected equipment from potentially damaging overvoltage conditions. The single-phase voltage sensing configuration provides reliable monitoring and rapid response to voltage changes, making this regulator ideal for applications requiring stable, consistent power delivery.

Technical Specifications - Leroy Somer R130 AVR

Key Features & Benefits of the R130 Voltage Regulator

• Genuine OEM Quality: Authentic Leroy Somer manufacturing ensures reliable performance and long service life
• Precision Voltage Control: Maintains consistent output voltage within tight tolerances for sensitive equipment protection
• Shunt Regulation Technology: Advanced current management prevents overvoltage conditions automatically
• Compound Circuit Compatibility: Specifically engineered for compound-wound alternator configurations
• Single Phase Sensing: Standard 1-phase voltage monitoring provides accurate, responsive regulation
• Universal R130 Series: All three variants (R130A, R130B, R130C) offer identical technical performance
• Overload Protection: Built-in safeguards protect both the AVR and your generator from damage
• Easy Installation: Standard mounting configuration simplifies replacement and new installations
• Wide Application Range: Suitable for various industrial, commercial, and backup power applications
• Temperature Resistant: Robust construction withstands demanding operating environments

Compatible Generator & Alternator Models

The Leroy Somer R130 automatic voltage regulator is compatible with a wide range of Leroy Somer alternator models and generator systems. This AVR is specifically designed for compound-wound alternators that require shunt regulation capabilities. Compatible applications include:

• Leroy Somer LSA series alternators with compound windings
• Industrial generator sets requiring shunt-type voltage regulation
• Compound-wound synchronous generators rated for standard voltage outputs
• Backup power systems utilizing Leroy Somer generating equipment
• Commercial power generation applications with single-phase sensing requirements
• Replacement installations for existing R130A, R130B, or R130C regulators
• Generator retrofit projects upgrading voltage regulation systems
• Marine and mobile power generation equipment (compatible models)
• Rental fleet generators requiring reliable OEM replacement AVRs

Before ordering, we recommend verifying your specific alternator model number and existing AVR configuration to ensure perfect compatibility. Our technical support team at General Power is available to assist with compatibility questions and can help identify the correct replacement AVR for your generator system.

Installation Overview - R130 AVR Setup

Installing the Leroy Somer R130 voltage regulator requires basic electrical knowledge and adherence to safety protocols. Always disconnect all power sources and discharge capacitors before beginning any AVR replacement work. The installation process typically involves:

Pre-Installation Preparation: Shut down the generator completely and allow adequate cooling time. Disconnect the battery or main power disconnect to ensure no residual voltage remains in the system. Document the existing wiring configuration with photographs or detailed notes before removing the old AVR. Verify that the replacement R130 matches your application requirements.

Removal of Old AVR: Carefully disconnect all wiring harnesses from the existing voltage regulator, noting the position and connection point of each wire. Remove mounting hardware securing the AVR to the generator housing. Handle the old unit carefully to avoid damage to connected wiring.

Installation of R130: Mount the new Leroy Somer R130 AVR in the designated location using appropriate fasteners. Ensure secure mounting that prevents vibration-related loosening during generator operation. Connect all wiring harnesses according to the manufacturer's wiring diagram and your documentation from the removal process. Verify that all connections are tight and properly seated. Double-check voltage sensing connections, excitation leads, and ground connections for accuracy.

Testing and Commissioning: After installation, perform a thorough visual inspection of all connections. Reconnect main power and start the generator under no-load conditions. Monitor output voltage during warm-up and verify proper regulation. Gradually apply load while observing voltage stability. Adjust voltage output if necessary using the potentiometer (if equipped). Conduct a full load test to confirm proper AVR operation across the entire load range.

Important: Installation should be performed by qualified technicians familiar with generator systems and electrical safety procedures. Always consult the official Leroy Somer installation manual for your specific alternator model.

Why Purchase Your Leroy Somer R130 from General Power?

When you choose General Power as your supplier for the Leroy Somer R130 AVR, you're partnering with an authorized dealer committed to excellence in generator parts and customer service. Here's what sets us apart:

Genuine OEM Parts: We supply only authentic Leroy Somer products, never aftermarket imitations or refurbished units. Every R130 voltage regulator we ship comes directly from authorized distribution channels, ensuring you receive factory-fresh components with full manufacturer backing. Counterfeit AVRs can cause catastrophic generator failure - trust General Power for verified genuine parts.

Authorized Dealer Status: As an authorized Leroy Somer dealer, General Power maintains direct relationships with the manufacturer, providing access to technical support, warranty services, and the latest product information. Our authorization means you can purchase with confidence, knowing your AVR is covered by manufacturer warranties and our expertise.

Same-Day Shipping: We understand that generator downtime costs money. That's why General Power maintains extensive inventory of high-demand items like the R130 AVR. Orders placed before our cutoff time ship the same business day, minimizing your equipment downtime and getting your power generation system back online quickly.

Expert Technical Support: Our team includes experienced technicians who understand generator systems and voltage regulation. Whether you need compatibility verification, installation guidance, or troubleshooting assistance, General Power provides the expertise you need. We're here to ensure you order the correct part and can install it successfully.

Competitive Pricing: Authorized dealer status and efficient operations allow us to offer competitive pricing on genuine OEM components. You don't have to choose between quality and value - General Power delivers both.

Comprehensive Inventory: Beyond AVRs, General Power stocks a complete range of generator parts, accessories, and maintenance items. Consolidate your purchasing and simplify your supply chain with one trusted partner for all your generator component needs.

Frequently Asked Questions - Leroy Somer R130 AVR

Q1: What is the difference between R130A, R130B, and R130C models?

A: There are no technical differences between the R130A, R130B, and R130C voltage regulators. All three variants share identical specifications, circuitry, and performance characteristics. Leroy Somer created these commercial designations to distinguish between different market segments or distribution channels. Functionally, they are interchangeable, and you can replace any R130 variant with another without compatibility concerns. When ordering a replacement, any R130 series AVR will provide the same regulation performance for your compatible generator system.

Q2: Can the R130 AVR be used with three-phase generators?

A: The Leroy Somer R130 features single-phase (1-phase) voltage sensing as standard. While it can be connected to three-phase generator systems, it monitors only one phase for voltage regulation purposes. For applications requiring three-phase voltage sensing and regulation, you may need to consider alternative Leroy Somer AVR models specifically designed for three-phase monitoring. Contact General Power's technical support team to discuss your specific three-phase application requirements and identify the optimal voltage regulator for your system.

Q3: How do I know if my generator uses a shunt-type regulator like the R130?

A: Shunt regulators like the R130 are designed for compound-wound alternators and work by diverting (shunting) excess excitation current to maintain voltage. Check your generator's technical documentation or the existing AVR label to identify the regulation type. If your current AVR is an R130 series unit, a direct replacement is appropriate. Alternatively, examine your alternator's winding configuration - compound-wound systems typically require shunt regulation. General Power's technical team can help identify your regulation type if you provide your generator model number and alternator specifications.

Q4: What causes an AVR to fail, and how can I prevent future failures?

A: Common AVR failure causes include voltage spikes, moisture intrusion, excessive heat, vibration damage, and component aging. To extend your R130's service life: ensure proper ventilation around the AVR mounting location, protect electrical connections from moisture and corrosion, maintain stable input power quality, perform regular generator maintenance including connection inspections, avoid prolonged operation at extreme overload conditions, and replace aging components before complete failure occurs. Using genuine OEM parts like the Leroy Somer R130 from General Power ensures superior quality and longevity compared to aftermarket alternatives.

Q5: Does the R130 AVR come with a warranty, and what does it cover?

A: Genuine Leroy Somer R130 voltage regulators purchased from authorized dealers like General Power include manufacturer warranty coverage against defects in materials and workmanship. Warranty terms vary by region and application, typically covering 12-24 months from purchase date. The warranty covers manufacturing defects but excludes damage from improper installation, environmental factors, electrical surges, or operation outside specified parameters. General Power provides warranty support and can facilitate manufacturer claims if needed. Always retain your purchase documentation and install according to manufacturer specifications to maintain warranty validity.

Order Your Genuine Leroy Somer R130 AVR Today

Don't compromise on quality when it comes to protecting your valuable generator investment. The Leroy Somer R130 automatic voltage regulator delivers the precision, reliability, and durability that professional power generation systems demand. Whether you're performing emergency repairs, conducting scheduled maintenance, or building a new generator system, choosing genuine OEM components ensures optimal performance and longevity.

General Power makes purchasing easy with our streamlined ordering process, expert support team, and same-day shipping on in-stock items. Our commitment to supplying only authentic Leroy Somer parts means you can order with complete confidence. The R130 AVR you receive will be factory-fresh, properly packaged, and ready for installation.

Need assistance determining compatibility or have questions about installation? Our knowledgeable technical support team is just a phone call or email away. We're here to ensure you get the right part for your application and have the information needed for successful installation.

Order your Leroy Somer R130 voltage regulator from General Power today and experience the difference that genuine OEM quality and authorized dealer service make. Keep your generator running at peak performance with the voltage regulation technology trusted by professionals worldwide. Add to cart now for same-day shipping, or contact our team for personalized assistance with your order.