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nm8-il-4p-125 chint mechanical interlock for nm8-125-4p
Chint NM8-IL-4P-125 genuine mechanical interlock for NM8-125 4-pole moulded case circuit breakers, preventing simultaneous operation of two breakers in changeover applications.
Why Choose the Chint NM8-IL-4P-125 Mechanical Interlock?
The Chint NM8-IL-4P-125 is a genuine mechanical interlock accessory designed specifically for Chint NM8-125 4-pole moulded case circuit breakers (MCCBs). It mechanically links two compatible circuit breakers to prevent both devices from being switched on simultaneously, providing a safe and dependable solution for changeover and dual power supply applications.
As part of the Chint NM8 MCCB accessory range, the NM8-IL-4P-125 enhances operational safety by ensuring only one breaker can remain closed at any time. This makes it ideal for standby power systems, generator changeover installations and applications where two independent power sources must never be connected together.
Manufactured to Chint's high quality standards, this genuine accessory offers straightforward installation, dependable mechanical operation and full compatibility with NM8-125 4-pole MCCBs, making it suitable for industrial, commercial and infrastructure power distribution systems.
Key Advantages
- Designed specifically for Chint NM8-125 4-pole MCCBs.
- Mechanical interlock prevents simultaneous closing of two breakers.
- Improves operational safety during power source changeover.
- Ideal for mains and generator switching applications.
- Simple installation using genuine Chint accessories.
- Provides dependable mechanical operation.
Key Features
- Manufacturer: Chint.
- Part of the NM8 MCCB accessory range.
- Mechanical interlock assembly.
- Compatible with NM8-125 4-pole MCCBs.
- Prevents simultaneous breaker operation.
- Suitable for dual power source applications.
- Direct-fit installation.
- Industrial-grade mechanical construction.
Safe Mechanical Interlocking for Power Changeover
Mechanical interlocks provide an effective safety solution by preventing two connected moulded case circuit breakers from closing at the same time. This eliminates the possibility of unintentionally paralleling separate power sources and helps maintain safe operation of electrical distribution systems.
The Chint NM8-IL-4P-125 is ideal for generator transfer systems, standby power installations and other applications where safe mechanical interlocking between two NM8 MCCBs is required.
Typical Applications
- Mains and generator changeover systems.
- Standby power installations.
- Industrial electrical distribution systems.
- Commercial switchboards.
- Critical infrastructure power supplies.
- OEM control and power distribution panels.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Device Type | Accessory | |
| Manufacturer | Chint | |
| Series | NM8 MCCB Accessories | |
| Model | NM8-IL-4P-125 | |
| Product type | Mechanical interlock | |
| Accessory type | MCCB interlock assembly | |
| Compatible breaker frame | NM8-125 | |
| Compatible poles | 4-pole | |
| Application | Mechanical interlocking of two MCCBs | |
| Mounting | Direct-fit accessory | |
| Installation | Electrical distribution panels and switchboards | |
| Suitable for | Mains/generator and dual power changeover systems |
Frequently Asked Questions
What is the Chint NM8-IL-4P-125 used for?
It is a mechanical interlock that prevents two compatible Chint NM8-125 4-pole moulded case circuit breakers from being switched on at the same time.
Which circuit breakers is it compatible with?
The NM8-IL-4P-125 is designed specifically for Chint NM8-125 4-pole MCCBs.
Why is a mechanical interlock required?
A mechanical interlock prevents simultaneous operation of two breakers, improving safety during mains and generator or dual power source changeover.
Is this a genuine Chint accessory?
Yes. The NM8-IL-4P-125 is a genuine Chint accessory designed specifically for the NM8 MCCB range.
Where is this accessory typically installed?
It is commonly installed in changeover panels, switchboards, standby power systems and industrial power distribution equipment.
Trusted by Electrical Professionals Worldwide
Chint NM8 accessories are trusted by panel builders, OEM manufacturers and electrical contractors to deliver safe operation, dependable performance and professional installation quality in low-voltage power distribution systems.
