Tuya WiFi Photovoltaic Power Meter 3P4W Recloser Protector

Main Description

Protect your electrical system with the Tuya WiFi Photovoltaic Power Meter 3P4W Recloser Protector—an all-in-one, three-phase protection switch engineered to shield home and business equipment from voltage and current faults. Built with a flame-retardant housing and built-in intelligent Tuya chips, this compact device monitors real-time voltage and current on its LCD display, so you can see critical metrics at a glance. When over-voltage, under-voltage, or over-current conditions occur, it immediately disconnects power to prevent damage, then automatically recloses once the fault is cleared for seamless restoration. The threshold values are user-adjustable via physical controls, letting you tailor protection to your local conditions.

Key advantages include a robust, easy install design with large wiring ports and DIN-rail snap mounting, flexible installation in distribution boxes or on walls, and wide application across rental properties, malls, schools, factories, and more. The integrated WiFi connection and Tuya App control let you monitor and adjust settings remotely from anywhere, making it ideal for high-power appliances prone to leakage or faults, such as heaters, ovens, water heaters, refrigerators, and air conditioners.

With its compact 89 × 75 × 75 mm footprint and a weight of about 450 g, this protector fits neatly into existing electrical setups while delivering dependable protection. Trusted for quality and reliability, this device is designed for easy wiring, accurate readings, and durable performance in a variety of environments.

Benefits & Tips

• Real-time monitoring: The LCD displays voltage and current simultaneously for quick, at-a-glance insight into your electrical system.
• Automatic reclosing: After a fault is cleared, the protector automatically reconnects power to minimize downtime.
• Remote control & customization: Use the Tuya App to set threshold values or switch protection remotely, enhancing convenience when you’re away from home or the office.

Product Specifications

• Name: Automatic Reclosing Protector
• Model Number: 3P4W
• Brand: meterk
• Origin: Mainland China
• Certification: CE
• Display: LCD (Displays real-time voltage and current)
• Display Type: Analog and Digital
• Voltage Range: 80–380 V
• Current: 100 A
• Rated Voltage: 380 V
• Phase: Three Phase
• Power Supply: ACR
• Max Operating Current: 80–99 A (spec line indicates 100 A in other data)
• Connection: WiFi + Tuya App
• Display Type: LCD
• Temperature Range: -20°C to 60°C
• Material: Flame-retardant housing (plastics)
• Dimensions: 89 × 75 × 75 mm (3.50 × 2.95 × 2.95 in)
• Weight: 450 g (0.99 lb)
• Package Size: 85 × 100 × 85 mm
• Package Weight: 470 g
• Recommended Use: Suitable for distribution boxes or wall mounting; DIN-rail snap installation (no screws required)
• Applications: suitable for rental houses, shopping malls, schools, factories; ideal for high-power devices prone to leakage

Package includes:

• 1 × Protector

Warnings / Reminders

• For safety, installation should be performed by a qualified electrician and in accordance with local electrical codes.
• Ensure the supply voltage is within 80–380 V and the system is de-energized before wiring.
• Use the Tuya App to configure thresholds carefully to avoid nuisance tripping or underprotection.
• Keep the device away from moisture and extreme conditions beyond listed operating temperatures.

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