Waterproof junction box Sonoff R2 IP66 rated for outdoor use, model R2

Waterproof Box IP66 Sonoff R2 BOX is an outdoor-rated junction enclosure designed to protect smart relays, wall switches and small electronic modules from dust and water. Constructed from flame-retardant PC V0 plastic with a transparent cover, the Sonoff R2 provides a sealed housing for wiring and devices, simplifying installation of weather-exposed installations such as garden controls, outdoor sensors and external security devices. The box measures 152.5 × 100 × 48 mm and carries an IP66 rating for protection against strong water jets and dust ingress.

Advantages

The Sonoff R2 enclosure combines durable, fire-resistant PC V0 material and an IP66 seal to ensure reliable protection of internal components from mechanical damage, dust and water. Its transparent cover allows visual inspection of installed devices without opening the box. The design is compatible with a wide range of Sonoff modules and switches, enabling straightforward mounting and safe outdoor use.

Suitable for

• Outdoor smart relay and switch installations
• Protecting sensors and small controllers on patios and gardens
• Weatherproof housing for external security and monitoring equipment

Key specifications

• Manufacturer: Sonoff
• Model: R2
• Material: PC V0 (flame-retardant polycarbonate)
• Color: transparent
• Dimensions: 152.5 × 100 × 48 mm
• Ingress protection: IP66
• Compatibility: Sonoff TH Elite/Origin, POW Elite/Origin, BASIC Series, DUAL RA, POWR2, NSPanel Pro, M5 Series (86/120), TX Series, NSPanel Series

How to use

Place the Sonoff R2 box at the chosen outdoor location and secure it using appropriate screws through the mounting points. Route the cables through the provided cable entries or use compatible gland fittings to maintain the IP66 seal. Install the Sonoff device or module inside the enclosure, connect the wiring according to the device manual, then close and fasten the cover to ensure the enclosure is sealed. Verify device operation and inspect seals after installation.

Recommendations

For best long-term performance, install the box on a stable surface protected from direct mechanical impact, use suitable cable glands to preserve the IP66 rating, and follow the module manufacturer’s wiring and grounding instructions. Periodically check seals and fasteners for wear or damage.