The Siemens 3VA5450-1MH31-0AA0 is a molded case circuit breaker (MCCB) from the 3VA series. These circuit breakers are designed to provide reliable protection for electrical systems against overloads and short circuits. As part of the 3VA series, this MCCB offers advanced features and a compact design, making it suitable for various applications in industrial and commercial settings.

Applications:

• Power distribution systems: Used in main distribution boards and sub-distribution boards to protect downstream circuits.
• Industrial machinery: Protects motors, pumps, and other industrial equipment from electrical faults.
• Commercial buildings: Ensures the safety of electrical installations in office buildings, shopping centers, and data centers.
• Renewable energy systems: Used in photovoltaic (PV) systems and wind turbines to protect inverters and other components.
• Infrastructure projects: Protects electrical systems in transportation, water treatment, and other infrastructure facilities.

Features:

• Thermal-magnetic trip unit: Provides reliable protection against overloads and short circuits.
• Adjustable overload protection: Allows customization of the overload trip setting to match the specific load requirements.
• High breaking capacity: Ensures the circuit breaker can safely interrupt high fault currents.
• Compact design: Saves space in electrical panels and switchboards.
• Comprehensive accessories: Supports a wide range of accessories for enhanced functionality, such as auxiliary contacts, shunt trips, and undervoltage releases.
• 3-pole configuration: Suitable for three-phase power systems.
• Toggle style handle: Provides a visual indication of breaker status

Benefits:

• Enhanced safety: Protects electrical systems and equipment from damage due to overloads and short circuits.
• Improved reliability: Ensures consistent and dependable performance in demanding applications.
• Reduced downtime: Minimizes disruptions to operations by quickly isolating and clearing faults.
• Increased efficiency: Optimizes energy usage and reduces operating costs.
• Easy installation and maintenance: Simplifies the installation process and reduces maintenance requirements.
• Compliance with standards: Meets relevant industry standards and regulations for safety and performance.

Additional Details:

The 3VA5450-1MH31-0AA0 circuit breaker has a rated current of 50 Amps and a breaking capacity of 70kA at 415VAC. It is designed for use in systems with a voltage rating of up to 690VAC. The breaker is equipped with a thermal-magnetic trip unit that provides instantaneous short-circuit protection and time-delayed overload protection. The overload trip setting can be adjusted to match the specific load requirements, while the short-circuit trip setting is fixed. The breaker is also available with a range of accessories, such as auxiliary contacts, shunt trips, and undervoltage releases, which can be used to enhance its functionality and integrate it into a control system. Constructed with high-quality materials ensuring a long service life.