Product Description – 5SY74638CC | Betagard MCB 63 A, 4 Pole, 15 kA, D-Curve – Siemens

Overview

The Siemens 5SY74638CC Betagard Miniature Circuit Breaker (MCB) is a high-performance electrical protection device designed for residential, commercial, and industrial applications. This 4-pole MCB offers reliable protection against overloads and short circuits, ensuring the safety of electrical installations.

Key Features

• Rated Current: 63 A
• Number of Poles: 4 Pole
• Breaking Capacity: 15 kA
• Trip Curve: D-Curve (High inrush current protection)
• Voltage Rating: 230/400 V AC
• Mounting Type: DIN Rail Mounting
• Standards Compliance: IEC/EN 60898-1, IEC/EN 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
• Weight: Approx. 0.5 kg

Applications

The Siemens 5SY74638CC MCB is suitable for a wide range of applications, including:

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

Advantages

• High breaking capacity ensures reliable protection in case of short circuits.
• D-Curve trip characteristic provides optimal protection for circuits with high inrush currents.
• Compact design saves space in electrical panels.
• Easy installation with DIN rail mounting.
• Durable construction ensures long service life.

Technical Specifications

Warranty

Siemens offers a standard warranty period of 24 months from the date of purchase, subject to terms and conditions.

Disclaimer

All specifications and features are subject to change without prior notice. Please refer to the official Siemens documentation for the most accurate and up-to-date information.