Product Details:
- Product line: MCCB - Aptomat Accessories
- Series: NM1
- Manufacturer: Chint
- Made in: China
- Certificates: KEMA, UKrSEPRO, EAC, RCC, EK;
- Power rating: AC 690V,50/60HZ, 10~1250A;
- Installation mode: Vertical and horizontal;
- Standard: IEC/EN60947-2.
Operating conditions:
Temperature:
- Operating temperature range: from -5°C to +40°C
- The average temperature within 24 hours should not exceed +35°C.
- For temperatures between -5°C and +40°C, please contact the manufacturer for temperature compensation assistance.
- Electric circuit breakers with magnetic coolers are rated based on a standard temperature of +40°C.
Height:
- The electric circuit breaker is suitable for an altitude of up to 2000m above sea level.
- If the elevation of the installation site exceeds 2000m, please contact the manufacturer for information on the reduction factor.
Pollution Grade:
- Circuit breakers are designed to endure environmental pollution level 3.
Atmospheric conditions:
- At the installation site, the relative humidity should not exceed 50% when the maximum temperature is +40°C.
- Higher relative humidity is acceptable at lower temperatures. For example, relative humidity can be up to 90% at +20°C.
- Special measures should be taken to avoid the formation of stagnant dew in conditions of high humidity.
Specifications :
Current frame size | 400 |
Rated current (A) Within 40°C | 250, 300, 315, 350, 400 |
Rated insulation voltage (V) Ui | 800 |
Rated impulse resistant voltage (kV) Uimp | 8 |
Rated operating voltage (V) Ue AC 50/60Hz | 690 |
Arc distance(mm) | ≤50 |
Breaking capacity code | |
Number of poles | 2 | 3 | 4 | 1 | 3 | 4 | 2 | 3 | 4 | 3 |
Final Rating Short Circuit Breakability Icu (kA, rms) Test sequence:O-t-CO | AC 220/230/240V | 25 | 25 | 25 | 20 | 42 | 42 | 55 | 65 | 65 | 85 |
AC 380/400/415V | 20 | 20 | 20 | 10 | 25 | 25 | 50 | 50 | 50 | 55 |
AC 660/690V | - | 5 | 5 | - | 5 | 5 | - | 8 | 8 | 10 |
Ics power cut short circuit rated service Test sequence:O-t-CO-t-CO (%Icu) | |
isolation function | ■ |
Class of use | A |
Front connection | ■ |
Rear connection | ■ |
plug in type | ■ |
Shunt release | ■ |
Release under voltage | ■ |
Auxiliary liaison | ■ |
Contact Alarm | ■ |
Additional specifications :
- Customized products of NM1-250, which can increase capacity to 250A.
- The NM1-1250 is equipped with d separately.
- Only type H circuit breakers are aa connecting plate when on sale; if you need the connecting plate for other products Models, connecting plates should be orderepplied to NM1 series switch isolation circuit breakers.
- Terminal covers of the entire NM1 series are available and the level of protection can be up to IP40 after circuit breaker disconnection equipped with a terminal cover.
- Safe distance between other electrical equipment for installation.
Product size:
Type designation :
Application:
- Circuit protection: The NM8N circuit breaker is used to disconnect electrical when a fault such as a short circuit, overload, short circuit, or power failure occurs. This helps protect electrical equipment and systems from damage caused by this incident.
- Safety for users: The NM8N circuit breaker has the ability to instantly cut off power when a problem occurs, helping to ensure the safety of users and electrical personnel.
- Current regulation and control: The NM8N provides the ability to regulate and control the current in electrical circuits. This helps maintain a stable current and ensures the efficient operation of electrical appliances.
-High reliability: The NM8N circuit breaker is designed to ensure high reliability in the protection and control of electrical circuits. It is made of high-quality materials and complies with international electrical safety standards
- Easy to use and maintain: NM8N circuit breakers usually have a smart design, easy to install and use. It can also be conveniently maintained and inspected