Over/Under Voltage Protector STBVP Series

Over/Under Voltage Protector STBVP Series

The Soltree Over/Under Voltage Protector STBVP Series is a reliable device designed to protect electrical systems in residential, commercial, and industrial environments. It prevents damage caused by voltage fluctuations by automatically disconnecting during overvoltage or undervoltage conditions, and restoring power when voltage returns to normal. With multiple pole and current options, it ensures flexible application and stable protection.
Specifications Available Options
Pole Types 1P+N, 2P, 3P+N, 4P
Rated Current 32A, 40A, 50A, 63A
Rated Current: 32A, 40A, 50A, 63A

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Prodcut Details

1. Product Introduction

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.

Over/Under Voltage Protector STBVP Series
Over/Under Voltage Protector STBVP Series

2. Key Features

  • 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.

Over/Under Voltage Protector STBVP Series
Over/Under Voltage Protector STBVP Series

3. Technical Specifications Over/Under Voltage Protector STBVP Series

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

4. Application Scenarios Over/Under Voltage Protector STBVP Series

  • 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.

5. Package & Delivery

  • 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.

6. FAQ

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.

7.Contact Us

For more details or a quick quotation, please get in touch with us:

📞 Tel/WhatsApp: +86-15658672325
📧 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 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.

Customization

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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