| Specifications | Available Options |
|---|---|
| Pole Types | 1P+N, 2P, 3P+N, 4P |
| Rated Current | 32A, 40A, 50A, 63A |
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Product Details
The Soltree Over/Under Voltage Protector STBVP Series is designed to safeguard household, commercial, and industrial electrical systems against damage caused by abnormal voltage fluctuations. It automatically cuts off the power supply when the voltage exceeds or falls below preset safe levels, and restores the connection once voltage returns to normal, ensuring reliable and continuous protection without manual intervention.
Multiple Pole Options: Available in 1P+N, 2P, 3P+N, and 4P.
Rated Current Options: 32A, 40A, 50A, 63A.
Overvoltage Protection: Automatically disconnects when voltage ≥ 270V (±5V).
Undervoltage Protection: Automatically disconnects when voltage ≤ 165V (±5V).
Automatic Reset: Restores power supply when voltage recovers within safe range.
Long Service Life: Up to 25,000 mechanical operations and 10,000 electrical operations.
High Reliability: Rated short-circuit breaking capacity of 6000A and impulse withstand voltage up to 4000V.
| Parameter | Specification |
|---|---|
| Rated Operating Voltage | AC 230V / 400V |
| Rated Current Options | 32A / 40A / 50A / 63A |
| Poles Available | 1P+N, 2P, 3P+N, 4P |
| Frequency | 50Hz |
| Overvoltage Trip Value | 275V ±5V |
| Overvoltage Recovery Value | 253V |
| Undervoltage Trip Value | 160V ±5V |
| Undervoltage Recovery Value | 195V |
| Reset Delay Time | ≤25s |
| Short-Circuit Breaking Capacity | 6000A |
| Impulse Withstand Voltage | 4000V |
| Mechanical Life | ~25,000 operations |
| Electrical Life | ~10,000 operations |
Residential homes: Protecting appliances such as refrigerators, air conditioners, televisions, and computers.
Offices: Ensuring stable operation of sensitive electronic equipment.
Shops and commercial buildings: Preventing damage to electrical systems due to unstable grid supply.
Factories and workshops: Safeguarding industrial equipment from power fluctuations.
Standard Export Package: Each unit securely packed in a protective box with user manual.
Delivery Time: Typically 7–15 working days after order confirmation.
Shipping: By sea, air, or express according to customer requirements.
Q1: Do I need to manually reset the protector after a power failure?
A1: No, the device automatically resets once the voltage returns to the safe range.
Q2: Can I use this protector for both single-phase and three-phase systems?
A2: Yes, models are available in 1P+N, 2P, 3P+N, and 4P configurations to suit different systems.
Q3: What appliances can this product protect?
A3: It can protect most household and commercial electrical equipment, such as refrigerators, air conditioners, computers, and industrial machines.
Q4: What is the rated short-circuit breaking capacity?
A4: The device has a rated breaking capacity of 6000A, ensuring safe performance under fault conditions.
For more details or a quick quotation, please get in touch with us:
📞 Tel/WhatsApp: +86-13693313816
📧 Email: jacky@cnsoltree.com
👉 We reply to inquiries within 12 hours.
Want to explore more Soltree Voltage Protectors? Click here: Voltage Protector to learn more.
Soltree supplies low-voltage electrical products for business and project needs. Contact our team for product specifications, model information and quotations.
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