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Adjustable overvoltage and undervoltage protection for household equipment.

  • Mains voltage measurement and protection
  • Dual-bus wiring design capability is stronger
  • Self-reset after failure
  • Led display shows voltage and current
  • Din rail mounting

Stable Delvery Time

Technical Support

2 Years

Moreday SP1 Voltage Protector

Moreday SP1 Voltage Protector: Secure Your Systems with Confidence

The Moreday SP1 Voltage Protector is designed to provide superior voltage protection for your sensitive electronic equipment and solar installations. This device is crucial for maintaining the efficiency and longevity of your power systems, safeguarding against voltage spikes, surges, and other electrical irregularities.

Key Features

Moreday SP1 Voltage Protector Robust Voltage Regulation

Robust Voltage Regulation

Ensures stable voltage levels are supplied to your equipment, preventing damage due to voltage fluctuations.

High Compatibility

Ideal for a broad range of applications, including residential solar systems, commercial energy storage, and industrial machinery.

Moreday SP1 Voltage Protector High Compatibility
Moreday SP1 Voltage Protector Easy Installation

Easy Installation

The SP1 model comes with a user-friendly installation process that doesn’t require professional assistance, allowing for swift and secure setup.

Advanced Safety Mechanisms

Features built-in circuit protection to prevent overvoltage, under-voltage, and short circuit conditions, ensuring the safety of your equipment and personnel.

Moreday SP1 Voltage Protector Advanced Safety Mechanisms
Moreday SP1 Voltage Protector Durable Design

Durable Design

Constructed with high-quality materials to withstand harsh environments and provide reliable performance over a long lifespan.

Applicable Scenarios

Home Appliances: Protects refrigerators, washing machines, and other household devices from voltage inconsistencies.

Commercial Buildings: Ensures consistent voltage levels in offices, retail spaces, and other business establishments to prevent equipment failure and downtime.

Why Choose Moreday?

Industry Certifications

All products are TUV, CE, and CB certified, meeting stringent international standards.

Proven Expertise

With years of manufacturing excellence, Moreday is a trusted name in electrical safety solutions.

Global Presence

A broad network of satisfied customers and successful implementations worldwide.






Rated Supply Voltage


Rated Supply Frequency


Rated Operational Current


Action Delay Time


Power-up Delay


Reset Time


Measurement Error


Operating Temperature

-20℃ to +55℃

Mounting/din Rail

Din rail

Protection Degree

IP40 For Front Panel/IP20 Terminals

Permissible Operating Humidity


Atmospheric pressure and altitude

80k Pa-106k Pa / -500 m-2000 m


35 mm DIN Rail, EN 60715

Degree Of Protection

IP 20 (built-in)



popular questions


1. What does the Moreday SP1 Voltage Protector do?

The Moreday SP1 Voltage Protector safeguards electrical devices from voltage fluctuations, including over-voltage and under-voltage situations. It ensures that your electrical equipment operates within safe voltage levels to prevent damage and extend the lifespan of your appliances.

2. Can the SP1 Voltage Protector be used in residential settings?

Absolutely! The SP1 is ideal for residential use, providing essential protection to home appliances such as air conditioners, refrigerators, and washing machines against voltage irregularities.

3. What are the installation requirements for the SP1 Voltage Protector?

Installation of the SP1 is straightforward. It requires a connection to your main electrical panel. We recommend installation by a certified electrician to ensure optimal performance and safety.

4. Is there any maintenance required for the SP1 Voltage Protector?

The SP1 Voltage Protector is designed for low maintenance. However, periodic checks are recommended to ensure the device is functioning correctly and to inspect for any physical damage or wear.

5. How quickly does the SP1 react to voltage fluctuations?

The SP1 Voltage Protector responds instantaneously to voltage changes, thanks to its advanced sensing technology that detects and corrects voltage abnormalities in real time.

6. What is the maximum load capacity of the SP1 Voltage Protector?

The SP1 can handle a maximum load of up to 60A, making it suitable for a wide range of applications, from residential to commercial and industrial settings.

7. Are there any visual indicators on the device to show it is working?

Yes, the SP1 Voltage Protector is equipped with LED indicators that provide real-time status updates about the device's operation and alert you to any voltage anomalies.

8. What should I do if the SP1 Voltage Protector trips frequently?

Frequent tripping may indicate persistent voltage issues in your electrical supply. It is advisable to consult with a professional electrician to investigate the source of these fluctuations.

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