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MOREDAY NSIS isolator main switch changeover 400V 63A 50/60HZ.

  • 400V 63A 50/60HZ specification
  • According to IEC/EN60947-3
  • IP20 degree
  • Din rail installation
  • RoHS material

Stable Delvery Time

Technical Support

2 Years

Moreday NSIS AC Changeover Switch MTS

Moreday NSIS AC Manual Transfer Switch MTS

Moreday’s NSIS AC Manual Transfer Switch(AC Changeover Switch) is designed to meet the needs of a robust power management system. Certified by IEC60947-3 standards, this manual transfer switch allows for reliable changeover between power sources, ensuring continuous operation in various settings.

Product Specifications

Moreday NSIS AC Changeover Switch MTS Product Specifications

Rated Voltage: 240/415V~
Rated Current Options: 16A, 20A, 25A, 32A, 40A
Rated Frequency: 50/60Hz
Number of Poles Available: 1P, 2P, 3P, 4P
Contact Form: 1-0-2
Electrical Life: 1500 cycles
Mechanical Life: 8500 cycles
Protection Degree: IP20
Ambient Temperature Tolerance: -5°C to 40°C
Installation: Easy mounting on DIN rail EN60715 (35mm) with fast clip device

Key Advantages

Moreday NSIS AC Manual Transfer Switch MTS Superior Durability

Superior Durability

With an electrical life of 1500 cycles and a mechanical life of 8500 cycles, our switches promise longevity and fewer replacements.

Safety First

The IP20 protection degree ensures that the components are safeguarded against solid objects larger than 12.5 mm, enhancing operational safety.

Moreday NSIS AC Manual Transfer Switch MTS Safety First

Versatile Application

Suitable for residential, commercial, and industrial environments where a reliable source of power is crucial. Ideal for use in buildings, hospitals, factories, and more.

Why Choose Moreday?

Certified Quality

With certifications like IEC and CE, Moreday ensures each product meets rigorous quality and safety standards.

Expert Design

Leveraging extensive industry experience, Moreday designs products that address the specific needs of professional environments.


We understand the critical nature of power management in business operations. Our products are designed to offer reliability that your business can depend on.




Rated Current In

32A 40A 50A 63A


1P 2P 3P 4P

Rated Voltage Ue

1P:230/400V 2P/3P/4P: 400V

Insulation Voltage Ui


Rated Frequency


Electrical Life


Mechanical Life


Protection Degree




popular questions


1. What does a manual transfer switch do?

A manual transfer switch allows for the safe and efficient transfer of electrical power between two power sources, typically between the main power grid and a backup generator. This ensures continuity of power supply during outages.

2. Is the Moreday NSIS suitable for residential use?

Absolutely! While it’s robust enough for industrial applications, the Moreday NSIS AC Manual Transfer Switch is also perfect for residential settings where backup power is essential for critical systems during power outages.

3. How do I choose the right size and type of switch for my needs?

Selecting the right switch depends on your power requirement and the total load of the circuits you wish to cover. It’s important to consider the rated current and voltage that match your system’s specifications. Consulting with a qualified electrician or our technical support can provide tailored recommendations.

4. What certifications does the NSIS AC Manual Transfer Switch have?

The Moreday NSIS switch is certified under IEC60947-3 standards, ensuring compliance with international safety and operational protocols. It also holds CE, and CB certifications, affirming its quality and reliability.

5. What are the installation requirements for the NSIS switch?

The switch should be mounted on a DIN rail using a fast clip device provided. Ensure it is installed in a location that protects it from extreme weather and provides easy access for maintenance and operation.

6. Are there any specific environmental conditions that affect the switch’s performance?

The NSIS switch is built to operate within an ambient temperature range of -5℃ to 40℃. While it’s robust, extreme conditions outside of this range might affect its performance and durability.

7. What warranty does Moreday offer on the NSIS switch?

Moreday offers a comprehensive warranty that covers defects in materials and workmanship. For specific terms and duration, please refer to your purchase documentation or contact our customer service team.

8. How can I get technical support if I encounter issues with the switch?

Moreday provides dedicated technical support for all our products. You can reach our support team via phone, email, or our website's support page for assistance with installation, troubleshooting, and other inquiries.

9. Are there any ongoing maintenance tips for the NSIS switch to ensure longevity?

Regular visual inspections and ensuring the cleanliness of the switch can prevent operational disruptions. Check that all connections are secure, and periodically verify that the switch operates smoothly during changeover tests.

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