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nm8-125s-4p-100a chint 100a 4p adjustable thermal mccb
Chint NM8-125S-4P-100A 100A 4 pole thermal magnetic moulded case circuit breaker with adjustable protection and 50kA breaking capacity for industrial power distribution.
Why Choose the Chint NM8-125S-4P-100A Moulded Case Circuit Breaker?
The Chint NM8-125S-4P-100A is a high-performance 4 pole moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage power distribution systems. Manufactured by Chint, this thermal magnetic MCCB delivers reliable protection against overloads and short circuits, making it ideal for industrial, commercial and OEM electrical installations.
Featuring an adjustable thermal magnetic trip unit, the NM8-125S-4P-100A allows engineers to fine tune protection settings to suit individual applications while maintaining excellent fault protection. Its compact design, robust construction and compliance with IEC 60947-2 ensure dependable long-term operation in demanding environments.
With a 100A rated current, 4 pole configuration and 50kA breaking capacity, this MCCB is suitable for protecting incoming supplies, distribution panels, machinery, switchboards and motor control systems where reliable circuit protection is essential.
Key Advantages
- 100A moulded case circuit breaker for industrial power distribution.
- 4 pole design providing protection across all conductors.
- 50kA breaking capacity for high fault level applications.
- Adjustable thermal magnetic trip for flexible protection settings.
- Reliable overload and short circuit protection.
- Manufactured to IEC 60947-2 international standards.
Key Features
- Chint NM8 Series moulded case circuit breaker.
- Model: NM8-125S-4P-100A.
- Rated current: 100A.
- 4 pole configuration.
- Thermal magnetic adjustable trip unit.
- 50kA breaking capacity at 400/415V AC.
- Suitable for isolation and circuit protection.
- Fixed mounting design for switchboards and distribution panels.
Reliable Protection for Industrial Power Distribution
The Chint NM8 Series has been developed to safeguard electrical distribution systems against overload and short circuit faults while providing dependable switching and isolation. Adjustable trip settings enable improved coordination with downstream protection devices, helping minimise unnecessary interruptions.
Its compact construction and high fault interruption capability make the NM8-125S-4P-100A suitable for industrial control panels, commercial buildings, manufacturing facilities and OEM machinery requiring dependable electrical protection.
Typical Applications
- Industrial distribution boards.
- Main incomer protection.
- Commercial electrical installations.
- Motor control centres.
- OEM machinery.
- Control panels and switchboards.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 100 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | Chint | |
| Series | NM8 | |
| Model | NM8-125S-4P-100A | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 100A | |
| Number of poles | 4 | |
| Trip unit | Adjustable thermal magnetic | |
| Rated operational voltage | Up to 690V AC | |
| Rated insulation voltage | 800V | |
| Frequency | 50 / 60Hz | |
| Breaking capacity | 50kA | |
| Standard | IEC 60947-2 | |
| Mounting | Fixed panel mounting |
Frequently Asked Questions
What is the Chint NM8-125S-4P-100A used for?
It provides overload and short circuit protection for low voltage power distribution systems in industrial and commercial installations.
What is the current rating?
This MCCB has a 100A rated current.
What does the 4 pole configuration provide?
The 4 pole version protects all live conductors and is commonly used on three phase systems with a neutral conductor.
Is the trip unit adjustable?
Yes. The NM8-125S-4P-100A features an adjustable thermal magnetic trip unit to allow protection settings to be matched to the application.
Where is this MCCB typically installed?
It is commonly installed within switchboards, electrical distribution panels, motor control centres and industrial control cabinets.
Trusted Protection for Industrial Installations
Chint NM8 moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers for dependable overload and short circuit protection in demanding electrical distribution applications.
