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5SY74258CC | Betagard MCB 25 A, 4 Pole, 15 kA, D-Curve – Siemens
Product Overview
The 5SY74258CC is a high-quality Miniature Circuit Breaker (MCB) from Siemens’ Betagard series. Designed for reliable protection in electrical installations, this MCB is ideal for residential, commercial, and industrial applications. It features a 25 A current rating, 4 poles, and a breaking capacity of 15 kA, ensuring robust performance and safety.
Key Features
- Current Rating: 25 A
- Number of Poles: 4 Pole
- Breaking Capacity: 15 kA
- Tripping Characteristic: D-Curve (for high inrush current applications)
- Voltage Rating: 230/400 V AC
- Standards Compliance: IEC/EN 60898-1, IEC/EN 60947-2
- Mounting: DIN Rail Mounting
- Terminal Type: Screw Clamp
- Operating Temperature: -25°C to +55°C
- Mechanical Life: 20,000 operations
- Electrical Life: 10,000 operations
- Protection Class: IP20 (when installed in a suitable enclosure)
Applications
The 5SY74258CC MCB is suitable for a wide range of applications, including:
- Protection of circuits in residential buildings
- Commercial and industrial electrical systems
- Motor protection in high inrush current scenarios
- Distribution boards and control panels
Advantages
- High breaking capacity ensures reliable protection against short circuits and overloads.
- D-Curve tripping characteristic is ideal for circuits with high inrush currents, such as motors and transformers.
- Compact design for space-saving installation.
- Durable construction with a long mechanical and electrical lifespan.
- Complies with international standards for safety and performance.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current (In) | 25 A |
| Number of Poles | 4 |
| Rated Voltage (Ue) | 230/400 V AC |
| Breaking Capacity (Icn) | 15 kA |
| Tripping Characteristic | D-Curve |
| Mounting | DIN Rail |
| Terminal Type | Screw Clamp |
| Operating Temperature | -25°C to +55°C |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 operations |
| Protection Class | IP20 |
Safety and Compliance
The 5SY74258CC MCB complies with international standards, including IEC/EN 60898-1 and IEC/EN 60947-2, ensuring high levels of safety and reliability. It is designed to protect electrical circuits from overloads and short circuits, making it a trusted choice for professionals.
Warranty and Support
Siemens offers a standard warranty on this product, backed by their global support network. For any technical assistance or warranty claims, customers can contact Siemens’ customer service.
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