Fox ESS EPS-BOX-SP Single Phase Whole Home Backup Box

Seamless Whole Home Backup Power for Fox ESS Energy Storage Systems

The Fox ESS EPS-BOX-SP is a dedicated whole-home backup gateway designed to maintain power to your property during grid outages.

Compatible with Fox ESS single-phase hybrid inverters and AC-coupled systems, the EPS-BOX-SP automatically transfers between grid supply and backup power, ensuring a seamless transition when utility power is lost.

With support for up to 100A whole-home backup, the EPS Box allows homeowners to continue powering essential circuits and household loads directly from their solar and battery storage system, delivering greater energy security and independence.

Available from Solar Renewable Hub with nationwide delivery and dedicated technical support.

Key Features

• Whole Home Backup Solution
• Automatic Grid Failure Detection
• Seamless Backup Power Switching
• Supports Up To 100A Household Supply
• Compatible with Fox ESS Single-Phase Systems
• Suitable for Hybrid & AC-Coupled Installations
• IP65 Weatherproof Enclosure
• Natural Convection Cooling
• Wall-Mounted Design
• Ideal for Residential Energy Storage Systems

Whole Home Backup Protection

Unlike standard EPS outputs which often support only dedicated backup circuits, the Fox ESS EPS-BOX-SP enables whole-home backup functionality when paired with compatible Fox ESS battery and inverter systems.

Benefits

• Maintain power during grid outages
• Automatic transfer between grid and backup supply
• Supports essential and household loads
• Increased energy resilience
• Greater energy independence

Automatic Backup Operation

The EPS Box continuously monitors grid availability and automatically switches the property to battery-backed power during an outage.

Once grid power is restored, the system automatically reconnects to the utility supply without requiring user intervention.

Backup Features

• Automatic transfer switching
• Fast response during outages
• Reliable operation
• Minimal disruption to household power
• Fully integrated with Fox ESS systems

Built for Outdoor Installation

Designed for long-term reliability, the EPS-BOX-SP features a robust IP65-rated enclosure suitable for indoor and outdoor installations.

Benefits

• Weather-resistant construction
• Suitable for external mounting
• Low maintenance design
• Long service life
• Ideal for UK environments

Compatibility

The Fox ESS EPS-BOX-SP is designed specifically for use with Fox ESS single-phase systems.

Compatible With

• Fox ESS H1-G2 Hybrid Inverters
• Fox ESS EVO Series
• Fox ESS K-Series Hybrid Inverters
• Fox ESS AC Chargers

Not Compatible With

• Three-Phase Fox ESS Inverters
• Three-Phase Backup Systems

Technical Specifications

Electrical

• Nominal Voltage: 220 / 230 / 240V (L / N / PE)
• Frequency: 50 / 60Hz
• Maximum Utility Input Current: 100A
• Maximum Inverter Current: 63A
• Maximum Output Current: 100A

General

• Protection Rating: IP65
• Cooling Method: Natural Convection
• Operating Temperature Range: -25°C to +60°C
• Installation Type: Wall Mounted

Physical Specifications

• Dimensions (W × H × D): 420 × 550 × 138.5mm
• Weight: 16kg

Perfect For

• Residential Solar & Battery Systems
• Whole Home Backup Applications
• Energy Security Solutions
• Off-Grid Resilience
• Smart Home Energy Systems
• New Build & Retrofit Installations

Why Choose the Fox ESS EPS-BOX-SP?

The Fox ESS EPS-BOX-SP transforms a standard solar and battery installation into a true whole-home backup solution. With automatic changeover functionality, 100A capacity, and seamless integration with Fox ESS single-phase systems, it provides homeowners with reliable backup power and complete peace of mind.

Why Buy From Solar Renewable Hub?

✔ Nationwide Delivery
✔ Dedicated Technical Support
✔ Trade & Credit Accounts Available
✔ Renewable Energy Specialists
✔ Installer Design & Project Support

Product Code: EPS-BOX-SP

Please Note: EPS Box only. Inverter, batteries, and additional accessories are sold separately.