5SY74508CC | Betagard MCB 50 A, 4 Pole, 15 kA, D-Curve – Siemens

Product Overview

The 5SY74508CC 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 4-pole design, a rated current of 50 A, and a breaking capacity of 15 kA, ensuring robust protection against overloads and short circuits.

Key Features

• Rated Current: 50 A
• Number of Poles: 4 Pole
• 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/EN 60898-1, IEC/EN 60947-2
• 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 5SY74508CC MCB is suitable for a wide range of applications, including:

• Residential electrical distribution boards
• Commercial and industrial power distribution systems
• Protection of circuits with high inrush currents (e.g., motors, transformers)
• General-purpose circuit protection in low-voltage installations

Advantages

• High breaking capacity ensures reliable protection in demanding environments.
• D-Curve trip characteristic provides optimal protection for circuits with high inrush currents.
• Compact and modular design for easy installation and space-saving.
• Complies with international standards for safety and performance.
• Durable construction ensures long service life and reliability.

Dimensions and Weight

• Width: 72 mm
• Height: 78 mm
• Depth: 70 mm
• Weight: Approx. 0.5 kg

Warranty and Support

Siemens offers a standard warranty on this product. For technical support and warranty claims, contact Siemens customer service or an authorized distributor.

Disclaimer

Product specifications are subject to change without prior notice. Always refer to the manufacturer’s datasheet for the most accurate and up-to-date information.