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5SY73408CC | Betagard MCB 40 A, 3 Pole, 15 kA, D-Curve – Siemens
Product Overview
The 5SY73408CC 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 3-pole configuration, a rated current of 40 A, and a breaking capacity of 15 kA, ensuring robust performance and safety.
Key Features
- Rated Current: 40 A
- Number of Poles: 3 Pole
- Breaking Capacity: 15 kA
- Trip Curve: D-Curve (for high inrush current applications)
- Voltage Rating: 400 V AC
- Mounting Type: DIN Rail Mounting
- Standards Compliance: IEC 60898-1, IEC 60947-2
- Operating Temperature: -25°C to +55°C
- Mechanical Life: 20,000 operations
- Electrical Life: 10,000 operations
- Terminal Type: Screw Clamp
- Protection Class: IP20 (when installed in appropriate enclosure)
Applications
The 5SY73408CC MCB is suitable for a wide range of applications, including:
- Protection of circuits in residential buildings
- Commercial and industrial electrical installations
- 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 trip characteristic is ideal for circuits with high inrush currents, such as motors and transformers.
- Compact design allows for easy installation in tight spaces.
- Durable construction ensures long service life and minimal maintenance.
- Compliance with international standards guarantees safety and reliability.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current (In) | 40 A |
| Rated Voltage (Ue) | 400 V AC |
| Breaking Capacity (Icn) | 15 kA |
| Trip Curve | D-Curve |
| Number of Poles | 3 |
| Mounting | DIN Rail |
| Terminal Type | Screw Clamp |
| Operating Temperature | -25°C to +55°C |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 operations |
| Standards | IEC 60898-1, IEC 60947-2 |
Ordering Information
Product Code: 5SY73408CC
Manufacturer: Siemens
Series: Betagard
Safety and Compliance
The 5SY73408CC MCB complies with international safety standards, ensuring reliable and safe operation in various electrical installations. It is designed to protect against overloads and short circuits, minimizing the risk of electrical fires and equipment damage.
Warranty and Support
Siemens offers a standard warranty on the 5SY73408CC MCB, along with comprehensive customer support. For any technical assistance or warranty claims, customers can contact Siemens’ support team.
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