Yueqing Sofielec Electrical Co, Ltd is a professional MCB manufacturer and supplier with more than 20 years of experience in China, the MCBs provided by the factory are in various sizes and grades to meet different applications, aiming to protect the electrical system from overload and short circuit, to ensure the safety of users and prevent damage to electrical equipment, if you want to know the price of miniature circuit breakers, please feel free to contact us.
DC Miniature Circuit Breaker Protection Parameter
| Categories | DC Protection Series Circuit Breaker |
| Model | JB Type |
| Rated insulation voltage | 1000V DC |
| Breaking capacity | 10kA |
| Impluse voltage | 4kV |
| Electrical connection | By the bottom for In and Out |
| Number of poles | 1P 2P 3P 4P |
| Rated service breaking capacity | 100 % of the Icu |
| Mechanical | 20,000 cycles |
| Degree of pollution | 2 |
| Category | A (no delay in accordance with IEC / EN 60947-2 st |
| Tropicalisation | Relative humidity: 95 % at 55°C in accordance with |
| Terms of Payment | L/C, Western Union, MoneyGram, T/T, Paypal |
DC MCB Circuit Breaker For Motor Protection Meaning and classification models
DC MCB Circuit Breaker For Motor Protection Main characteristics
| Operating voltage(Ue) |
1P=250V DC,2P=500V DC 3P=750V DC,4P=1000V DC |
|
| Rated insulation voltage(Ui) | 1,000V DC | |
| Breaking capacity(Icu) | 10kA | |
| Impulse voltage(Uimp) | 4kV | |
| Electrical connection | By the bottom for In an Out | |
| Number of poles | 1P,2P,3P,4P | |
| Standards |
IEC 60947-2 EN 60947-2 |
|
| Rated service breaking capacity(Ics) | 100% of the Icu | |
| Endurance(O-C) | Electrical | 1,500 cycles(where L/R =ms) |
| Mechanical | 20,000 cycles | |
| Nechnical | 20,000cycles | |
| Degree of pollution | 2 | |
| Category | A(on delay in accordance with IEC/EN 60947-2 standards) | |
|
Degree of protection (IEC 60529) |
Device in modular Enclosure |
IP40 |
| Trioicallsation |
Relative humidity:95% at 55℃ in accordance with IEC 60068-2 and GB 14048.2 standards |
|
| Temperature | Operating | -25℃ to 70℃ |
| Storage | -40℃ to 85℃ | |
32 AMP Circuit Breaker Protection Diagrams
DC MCB Circuit Breaker For Motor Protection Dimensions
Connection
Curve
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