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5SY74328CC | Betagard MCB 32 A, 4 Pole, 15 kA, D-Curve – Siemens
Product Overview
The 5SY74328CC is a high-performance 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 32 A current rating, 4 poles, and a breaking capacity of 15 kA, ensuring robust protection against overloads and short circuits.
Key Features
- Current Rating: 32 A
- Number of Poles: 4
- Breaking Capacity: 15 kA
- Trip Curve: D-Curve (for high inrush current applications)
- Voltage Rating: 230/400 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
- Width: 72 mm
- Height: 78 mm
- Depth: 70 mm
Applications
The 5SY74328CC MCB is suitable for a wide range of applications, including:
- Residential electrical distribution boards
- Commercial and industrial installations
- Protection of circuits with high inrush currents (e.g., motors, transformers)
- General-purpose circuit protection
Advantages
- High breaking capacity ensures reliable protection in demanding environments.
- D-Curve trip characteristic provides optimal protection for circuits with high inrush currents.
- Compact design saves space in distribution boards.
- Easy installation with DIN rail mounting and screw clamp terminals.
- Complies with international standards for safety and performance.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current (In) | 32 A |
| Number of Poles | 4 |
| Breaking Capacity | 15 kA |
| Trip Curve | D-Curve |
| Rated Voltage | 230/400 V AC |
| Mounting Type | DIN Rail |
| Standards | 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 |
| Dimensions (W x H x D) | 72 mm x 78 mm x 70 mm |
Safety and Compliance
The 5SY74328CC 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 5SY74328CC MCB, covering manufacturing defects. For technical support and warranty claims, customers can contact Siemens’ customer service or authorized distributors.
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