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NH4 Switch Disconnector
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Low Voltage IEC Final Power Distribution NH4 Switch Disconnector
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NH4 Switch Disconnector

The NH4 Switch Disconnector is designed to provide safe circuit isolation and switching in low-voltage electrical systems. Built to IEC/EN 60947-3 standards, it ensures reliable manual disconnection under load. The NH4 series is compatible with NB series MCBs and RCBOs, offering a wide rated current range from 32A to 125A and operating voltage up to 415V AC. Its compact design, IP20 protection, and long mechanical life (8,500 operations) make it ideal for residential, commercial, and light industrial applications.

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Product Information

Name
Size
Release time
Operate
NH4-SWITCH-DISCONNECTOR-(FINAL-POWER-DISTRIBUTION)-Catalog.pdf
476.28KB
2025-12-22
Download
Name
Size
Release time
Operate
2004-NH4-Switch Disconnector (Final Power Distribution)-Manual.pdf
156.81KB
2024-09-22
Download
Name
Size
Release time
Operate
2407-NH4-Switch Disconnector (Final Power Distribution)-UA TR Certificate.pdf
3.1MB
2024-09-22
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2402-NH4-Switch Disconnector (Final Power Distribution)-VDE Certificate.pdf
346.19KB
2024-09-22
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2401-NH4-Switch Disconnector (Final Power Distribution)-SAA Certificate.pdf
469.79KB
2024-09-22
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2207-NH4-Switch Disconnector (Final Power Distribution)-SEMKO Certificate.pdf
561.73KB
2024-09-22
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2207-NH4-Switch Disconnector (Final Power Distribution)-CB Certificate.pdf
442.8KB
2024-09-22
Download
2206-NH4-Switch Disconnector (Final Power Distribution)-EAC Certificate.pdf
609.26KB
2024-09-22
Download
2205-NH4-Switch Disconnector (Final Power Distribution)-CB Certificate.pdf
460.91KB
2024-09-22
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2201-NH4-Switch Disconnector (Final Power Distribution)-CE RoHS Declaration Certificate.pdf
832.97KB
2024-09-22
Download
2109-NH4-Switch Disconnector (Final Power Distribution)-UKCA Certificate.pdf
569.31KB
2024-09-22
Download
2109-NH4-Switch Disconnector (Final Power Distribution)-SEMKO Certificate.pdf
585.54KB
2024-09-22
Download
1801-NH4-Switch Disconnector (Final Power Distribution)-CE Certificate.pdf
892.6KB
2024-09-22
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Name
Size
Release time
Operate
NH4-Switch Disconnector (Final Power Distribution)-Drawing-3D.stp
2.09MB
2024-09-22
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FAQs

 

What is the main function of the NH4 Switch Disconnector?

The NH4 provides manual disconnection and isolation of electrical circuits to ensure safe maintenance and switching in low-voltage applications.

 

What types of circuits is it suitable for?

It is ideal for residential, commercial, and industrial systems where reliable manual isolation of circuits up to 125A is required.

 

How does it differ from a circuit breaker?

Unlike an MCB, the NH4 does not provide automatic trip protection. Instead, it serves as a manual isolator to disconnect electrical circuits safely during maintenance.

 

What accessories can be used with NH4?

The NH4 Switch Disconnector can be paired with NB series MCBs and RCBOs for enhanced circuit protection and modular coordination.

 

What are the installation options?

It can be mounted on DIN rails or panels and allows top or bottom wiring, ensuring flexible integration in distribution panels.

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