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Prodcut Details
The Soltree ST5-VA 6-in-1 Over/Under Voltage & Current Protector is a multifunctional intelligent device designed to deliver comprehensive power protection and real-time energy monitoring. Integrating six key functions — voltage protection, current protection, power display, frequency monitoring, energy metering, and live parameter display — this compact unit ensures reliable, accurate, and efficient operation for residential, commercial, and industrial systems. With advanced microcontroller technology and a vivid LED display, the ST5-VA provides total electrical safety and performance visibility at a glance.
Over/Under Voltage Protection – Automatically cuts off power when voltage exceeds or drops below the preset range.
Overcurrent Protection – Prevents damage from overload and excessive current.
Power Display (W) – Real-time monitoring of power consumption for energy management.
Frequency Display (Hz) – Displays frequency variations for system stability tracking.
Energy Metering (kWh) – Records accumulated energy usage for analysis and optimization.
Voltage & Current Display (V/A) – Simultaneous visualization of operating parameters.
Real-Time LED Monitoring – Bright, clear display for easy reading and status indication.
| Item | Specification |
|---|---|
| Supply Terminals | N, L |
| Rated Supply Voltage | AC 220V |
| Rated Frequency | 50/60Hz |
| Overvoltage Setting Range | AC 240–300V |
| Undervoltage Setting Range | AC 140–230V |
| Voltage Hysteresis | 5V |
| Overvoltage Trip Delay | 0.5s |
| Voltage Accuracy | ±1% |
| Max. Operating Phase Voltage | 350V |
| Max. Operating Current | 40A / 63A / 80A / 100A |
| Altitude | ≤2000m |
| Delay Time | 5–300s (adjustable) |
| Permissible Humidity | ≤90% at 40°C (non-condensing) |
| Ambient Temperature | -25°C to +55°C |
| Installation | 35mm DIN rail |
| Size | 81 × 36 × 66 mm |
Residential: Protects household appliances and monitors energy usage efficiently.
Commercial: Maintains stable operation for office equipment, lighting systems, and power tools.
Industrial: Ideal for motors, pumps, compressors, and automated machinery requiring precise power monitoring.
Renewable Energy: Perfect for solar, inverter, or off-grid systems needing voltage and current control with energy feedback.
Easy Configuration: Long press the “SET” key for 5 seconds to enter parameter setup.
Adjust overvoltage, undervoltage, overcurrent, and delay parameters using UP/DOWN keys.
Display Functions: Instantly view voltage, current, power (W), frequency (Hz), and energy (kWh).
Quick Adjustment Tip: Hold UP or DOWN keys for faster parameter modification.
Thank you for choosing Soltree Electrical Appliance Co., Ltd.
We are dedicated to providing innovative electrical protection products and professional technical support worldwide.
📞 Tel/WhatsApp: +86-15658672325
📧 Email: jacky@cnsoltree.com
👉 We respond to all inquiries within 12 hours.
Soltree is a professional manufacturer of low-voltage electrical products with over 15 years of industry experience. We specialize in circuit breakers, RCCBs, surge protectors, power meters, and smart WiFi devices, providing reliable solutions for residential, commercial, and industrial applications.
Our products boast customizable materials and dimensions, ensuring a tailored experience. With a range of materials to choose from and the ability to adjust sizes to your liking, our offerings are designed to meet your unique needs and preferences.
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