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nm8-250s-1p-20a chint mccb 1p thermal magnetic 20a, 30ka 415v
Chint NM8-250S-1P-20A 20A 1 pole adjustable thermal magnetic moulded case circuit breaker with 30kA breaking capacity for industrial and commercial circuit protection.
Why Choose the Chint NM8-250S-1P-20A Moulded Case Circuit Breaker?
The Chint NM8-250S-1P-20A is a reliable 1 pole moulded case circuit breaker (MCCB) designed to protect low voltage electrical circuits against overloads and short circuits. As part of the Chint NM8 Series, this MCCB is suitable for industrial, commercial and OEM applications where dependable circuit protection is required.
Featuring an adjustable thermal magnetic trip unit, the NM8-250S-1P-20A allows protection settings to be adapted to suit the connected load. Its robust construction and fixed mounting design make it suitable for switchboards, distribution panels, machinery and electrical control cabinets.
With a 20A rated current, 1 pole configuration and 30kA breaking capacity, this MCCB provides reliable fault interruption and circuit protection for single pole applications in demanding electrical installations.
Key Advantages
- 20A moulded case circuit breaker for industrial and commercial applications.
- 1 pole configuration for single pole circuit protection.
- Adjustable thermal magnetic trip unit for flexible protection settings.
- 30kA breaking capacity for dependable fault interruption.
- Provides reliable overload and short circuit protection.
- Suitable for switchboards, machinery panels and control cabinets.
Key Features
- Chint NM8 Series moulded case circuit breaker.
- 20A rated current.
- 1 pole MCCB construction.
- Thermal magnetic adjustable protection.
- 30kA short circuit breaking capacity.
- Designed for low voltage power distribution.
- Fixed mounting for panel installation.
- Suitable for overload and short circuit protection.
Reliable MCCB Protection for Low Voltage Circuits
Moulded case circuit breakers such as the Chint NM8-250S-1P-20A are used to protect electrical equipment and distribution circuits from damaging fault currents. By combining overload and short circuit protection in a compact device, this MCCB helps improve electrical safety and reduce the risk of equipment damage.
The adjustable thermal magnetic mechanism supports practical coordination with connected loads and downstream protective devices. This makes the NM8-250S-1P-20A a strong choice for panel builders, contractors and engineers working with industrial and commercial power distribution systems.
Typical Applications
- Industrial control panels.
- Distribution boards and switchboards.
- Commercial electrical installations.
- OEM machinery and equipment protection.
- Power distribution systems.
- Electrical control cabinets.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 20 A | |
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 30 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | Chint | |
| Series | NM8 | |
| Model | NM8-250S-1P-20A | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 20A | |
| Number of poles | 1 | |
| Trip unit | Adjustable thermal magnetic | |
| Breaking capacity | 30kA | |
| Rated operational voltage | 415V AC | |
| Rated insulation voltage | 800V | |
| Frequency | 50 / 60Hz | |
| Protection type | Overload and short circuit protection | |
| Mounting type | Fixed panel mounting | |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the Chint NM8-250S-1P-20A used for?
It is used to provide overload and short circuit protection for low voltage circuits in industrial and commercial electrical installations.
What is the rated current of this MCCB?
The Chint NM8-250S-1P-20A has a 20A rated current.
How many poles does this circuit breaker have?
This model has a 1 pole configuration, making it suitable for single pole circuit protection applications.
Is the trip unit adjustable?
Yes. This MCCB uses an adjustable thermal magnetic trip unit to help match protection settings to the application.
Where is this MCCB typically installed?
It is commonly installed in distribution boards, switchboards, control panels, machinery panels and electrical cabinets.
Trusted by Panel Builders and Electrical Engineers
Chint NM8 moulded case circuit breakers are widely used by contractors, panel builders and industrial engineers for dependable circuit protection in demanding low voltage distribution applications.
