5SL73408RC | Betagard MCB 40 A, 3 Pole, 10 kA, D-Curve – Siemens

The 5SL73408RC is a high-quality Miniature Circuit Breaker (MCB) from Siemens’ Betagard series. Designed for reliable protection of electrical circuits, this MCB is ideal for residential, commercial, and industrial applications. It features a 3-pole configuration, making it suitable for three-phase systems, and is rated for a 40 A current and a 10 kA breaking capacity.

Key Features:

• Current Rating: 40 A
• Number of Poles: 3 Pole
• Breaking Capacity: 10 kA
• Tripping Characteristic: D-Curve (for high inrush current applications)
• Voltage Rating: 400 V AC
• Standards Compliance: IEC/EN 60898-1, IEC/EN 60947-2
• Mounting: DIN Rail Mountable
• Termination: Screw Clamp
• Operating Temperature: -25°C to +55°C

Applications:

The Siemens Betagard MCB is suitable for protecting circuits in environments with high inrush currents, such as those found in motors, transformers, and lighting systems. Its robust design ensures reliable performance and long-term durability.

Benefits:

• Provides reliable protection against overloads and short circuits.
• D-Curve tripping characteristic ensures compatibility with high inrush current devices.
• Compact and easy to install on DIN rails.
• Complies with international safety standards for electrical components.

Technical Specifications: