# FoxESS - S-BOX_PLUS Fire Safety Switch

- **Brand:** FoxESS
- **SKU:** FOXESS-S-BOX-PLUS-4STRING-FIREFIGHTER-DC-SAFETY-SWITCH
- **GTIN:** 5905515606301
- **MPN:** S-BOX_PLUS
- **Price:** 229.00 EUR
- **Availability:** In stock
- **Categories:** Inverters, Accessories

The FoxESS S-BOX Plus is a firefighter safety switch designed for photovoltaic systems, providing automatic DC disconnection for enhanced safety and protection in residential and commercial installations.

The **FoxESS S-BOX Plus** is an advanced firefighter safety switch designed to protect photovoltaic systems by automatically disconnecting DC power during emergency situations. It ensures that solar installations remain safe during fire events, maintenance, or grid outages by isolating the DC circuit.

Designed for larger systems, the S-BOX Plus supports multiple PV strings, making it suitable for both residential and commercial applications. Its motor-driven switching mechanism enables fast and reliable disconnection, improving overall system safety and compliance with modern safety standards.

The device features a durable enclosure with high protection rating, allowing installation in outdoor environments. Its plug-and-play design simplifies installation, while integrated connectors reduce wiring complexity and installation time.

### **Core Electrical Characteristics**

1. Designed for DC circuit isolation
2. Supports multiple PV string disconnection
3. Stable and reliable switching operation
4. Suitable for high-voltage PV systems
5. Optimized for safety applications

### **Connectivity and Integration**

1. Compatible with photovoltaic systems
2. Supports standard solar connectors
3. Easy integration into existing installations
4. Works with multi-string PV setups
5. Simple system connection

### **System Performance and Control**

1. Automatic shutdown during emergencies
2. Motor-driven switch operation
3. Fast DC disconnection
4. Reliable performance under load
5. Ensures system safety

### **Design and Installation**

1. Compact and robust design
2. Easy plug-and-play installation
3. Outdoor-ready enclosure
4. Integrated connectors for fast setup
5. Suitable for residential and commercial use

### **Safety and Compliance**

1. Built-in DC isolator
2. High protection rating (IP66)
3. Thermal protection with auto shutdown
4. Certified for PV safety applications
5. Designed for emergency response systems

### **Typical Applications**

1. Residential photovoltaic systems
2. Commercial solar installations
3. Fire safety systems in PV setups
4. Emergency shutdown solutions
5. Solar system protection devices

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 2.1 kg |
| Cooling | Passive |
| Voltage | 100–270 V AC (control) |
| Grid tie | Not applicable (safety device) |
| Warranty | 120 months |
| Dimensions | 314 × 194 × 78 mm |
| Compatibility | Photovoltaic systems (up to 4 strings) |
| Input voltage | up to 1500 V DC |
| Certifications | CE, EN 60947-1/3 |
| Max pv current | up to 25 A per string |
| Max pv voltage | 1500 V |
| Mounting options | Surface mounting |
| Installation type | Wall-mounted |
| Protection rating | IP66 |
| Parallel capability | Supports 4 strings |
| Operating temperature | -20°C to +50°C |