Description
The Fortress Power eSpire Nano FP-Nano-60k-N is a 60 kW three-phase hybrid solar inverter engineered for commercial and industrial solar plus battery storage applications. Designed for 480V three-phase electrical systems, the FP-Nano-60k-N combines solar generation, battery storage, generator integration, and grid interaction into a single energy management platform. Whether powering commercial facilities, agricultural operations, school campuses, this inverter delivers reliable performance while helping reduce energy costs and improve energy resilience.
Designed for 480 VAC, three-phase, four-wire (3P4W) electrical systems, the FP-Nano-60k-N provides 60 kW of continuous AC output with advanced grid-supporting capabilities. The inverter features an integrated APSmart rapid shutdown (RSD) transmitter, eliminating the need for a separate RSD transmitter and simplifying system design and installation. Its rugged NEMA 4X outdoor-rated enclosure is built to withstand environmental conditions, making it suitable for both indoor and outdoor commercial installations.
The eSpire Nano 60 kW inverter is designed for maximum flexibility and scalability. Equipped with four independent MPPTs, it allows multiple PV array orientations and optimized energy harvest across complex roof layouts. The inverter supports parallel operation of up to six units, enabling systems to scale for larger commercial energy storage projects. High-voltage PV inputs, seamless compatibility with Fortress Power battery systems, and intelligent energy management make the FP-Nano-60k-N an ideal solution for commercial solar installations. Backed by a 10-year warranty.
Key Features
- Designed for 480 VAC three-phase, four-wire (3P4W) electrical systems
- Four independent MPPTs for maximum design flexibility and energy production
- Integrated APSmart rapid shutdown (RSD) transmitter
- Outdoor-rated NEMA 4X enclosure for indoor or outdoor installation
- Supports parallel operation of up to 6 inverters
- Smart energy management for self-consumption, backup power, peak demand reduction, and load shifting
- 10-year warranty
Installation Instructions
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DIY or Full-Service Pro Solar Installation
You can choose how to install the solar panel system. You can Do-It-Yourself (DIY), hire any contractor or handyman for labor, or we can provide Full-Service Professional installation. Most customers choose DIY to save some serious money. However you decide to go solar, we will provide the permit plans, instruction manuals and lifetime technical support. You will also have the same manufacturer warranties, and be eligible for tax credits, rebates and other incentives.
Professional solar panel system installation by a state licensed contractor includes labor, wiring, electrical setup, balance of system parts, building permit, utility approval, inspection, monitoring setup, and activation. 5 year warranty on labor. Installation services are not subject to state sales tax. Final price subject to system design and site visit. Additional fees may apply for electrical panel upgrade, multiple roof areas, conduit wiring greater than 100 ft, two or more story property, or tilt mounting.
How to Install the Solar Panel Kit with String Inverter
- Read and follow the installation instruction manuals provided with the solar panels, inverter and mounting system
- Secure the roof attachments to the roof rafters; add caulk as needed
- Attach mounting rails to the roof attachments using supplied hardware
- Secure the solar panel(s) to the mounting rails using the supplied mid-clamps and end-clamps
- Connect the solar panel cables
- Connect the last PV cable to a junction box
- Connect PV wires from the junction box to the inverter
- Connect the inverter to a PV solar disconnect box
- Connect the PV solar disconnect box to a new circuit breaker in the household electrical box
- Contact the local building department or electric utility company to schedule inspection and connection to the grid for permission to operate
Tools Required to Install Rooftop Solar Mounting
- Tape measure
- Roofers bar, shingle ripper
- Chalk line
- Stud finder
- Caulking gun
- Sealant compatible with roofing materials
- Drill with 7/32" long-style bit
- Drill or impact gun with 1/4" or 5/16" deep socket
- Ladder, Safety harness and rope
- Wire stripper, cutter, crimping tool
- Conduit bender
- Voltage or Amp meter, testing tool
How to Install PV Solar Panel Roof Flashing Attachment
Simply slide the flashing under a row of roof shingles, drill pilot hole, apply sealant to hole, secure with bolt and attach sealing washer. Just a few minutes to install flash-foot. Watch this video for a demonstration.
