Product Description:
The250/1P Molded Case Circuit Breaker is a protective device designed for low-voltage distribution systems. It is primarily used for short-circuit protection, overload protection, and isolation functions in electrical circuits. The product is designed in compliance with international electrical standards (such as IEC 60947-2) and is suitable for industrial, commercial, and residential distribution systems.
Functional Features:
High Reliability: Casing made of high-quality polycarbonate (PC), polypropylene (PP), and other plastic materials, offering excellent insulation and impact resistance.
Precise Protection: Equipped with a built-in thermal-magnetic trip unit, accurately detecting overload and short-circuit faults for rapid protection.
Flexibility: Modular design allows for expandable accessories (e.g., auxiliary contacts, alarm contacts, etc.).
High Safety: Features isolation functionality to ensure the safety of maintenance personnel.
Easy Installation: Compact design saves panel space and supports rail mounting or bolt fixing.
Application Scenarios:
Main circuit protection in low-voltage distribution systems
Motor protection
Overload and short-circuit protection for electrical equipment
Electrical distribution systems in buildings
Compliance Standards:
International Standard: IEC 60947-2
National Standard: GB 14048.2
Other Certifications: CE
Packaging Method: Each unit is packaged in a cardboard boxwith an included product manual.
Transportation Method: Standard logistics transportation with moisture-proof and shock-proof handling.
Specification:
| Specification | Details | 
|---|---|
| Rated Current (In) | 250A | 
| Rated Operational Voltage (Ue) | 500 VDC | 
| Rated Insulation Voltage (Ui) | 800 V | 
| Rated Impulse Voltage (Uimp) | 8 kV | 
| Number of Poles | 1 | 
| Frame Size | 250A | 
| Short Circuit Breaking Capacity (Icu) | 35 kA | 
| Rated Frequency | 50/60 Hz | 
| Operating Temperature | -5°C to +55°C | 
| Standards Compliance | IEC 60947-2 | 
| Place of Origin | China | 
| Brand Name | Nuomake | 
| Model Number | HMKM1-250/1P | 
| Minimum Order Quantity | 1 set | 
| External Components | 2 Screws, 2 Nuts | 
| Packaging Details | Inner box (white) and outer box (yellow) | 
| Product Weight | 1 kg | 
| Delivery Time | 1 day | 
| Payment Terms | T/T, Western Union | 
| Supply Ability | 15,000 sets/month | 
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