Description
Generac RG03015 Protector Series 30kW 1-Phase Standby Generator
The Generac RG03015 Protector Series 30kW Generator is a heavy-duty standby power solution designed for compatible residential and commercial applications. With a 30 kW power class and single-phase configuration, this generator is built to provide dependable backup power when normal utility service is interrupted.
Part of Generac’s Protector Series, the RG03015 is designed for installations requiring substantial standby capacity for homes, businesses, properties, and other facilities. Its permanently installed configuration allows it to become part of a properly designed automatic backup-power system when paired with compatible equipment.
Key Features
- 30 kW Power Class: Provides substantial standby power capacity for compatible residential and commercial electrical loads.
- Single-Phase Configuration: Designed for compatible 1-phase electrical systems.
- Automatic Standby Power: Can be integrated with a compatible automatic transfer switch to provide automatic backup-power operation during utility outages.
- Protector Series Design: Built for demanding standby-power applications requiring reliable performance and substantial output capacity.
- Permanent Installation: Designed as a stationary standby generator rather than a portable power source.
- Residential & Commercial Applications: Suitable for appropriately engineered homes, businesses, properties, and facilities requiring backup electricity.
- Outdoor Standby Configuration: Designed for permanent installation in an appropriate location in accordance with manufacturer requirements and applicable codes.
- Generac Power System: Designed to integrate with compatible Generac transfer and standby-power equipment.
Dependable Backup Power
The RG03015 is designed to become part of a complete standby-power system. When properly configured with a compatible automatic transfer switch, the system can detect a utility outage and transfer compatible electrical loads to generator power.
This makes the generator suitable for applications where maintaining electricity during an outage is important for essential appliances, building systems, equipment, lighting, and other properly sized electrical loads.
Product Specifications
| Brand | Generac |
| Series | Protector Series |
| Model | RG03015 |
| SKU | MFT-3786 |
| Product Type | Standby Generator |
| Power Class | 30 kW |
| Phase | 1-Phase |
| Installation Type | Permanent Standby |
| Automatic Transfer Capability | With Compatible Automatic Transfer Switch |
| Primary Application | Residential & Commercial Backup Power |
Ideal Applications
- Whole-property or selected-load residential backup
- Commercial facilities
- Offices and small businesses
- Workshops and properties
- Essential building systems
- Emergency and outage preparedness
Built for Standby Power Planning
With its 30 kW output class, single-phase configuration, and Generac Protector Series platform, the RG03015 provides a substantial foundation for a professionally designed standby-power system.
Important: Generator sizing should be based on actual electrical loads, starting requirements, voltage, fuel availability, transfer-switch configuration, and installation conditions. Confirm the exact RG03015 specifications and have the system sized and installed by qualified professionals in accordance with Generac requirements and applicable electrical, fuel, and building codes.


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