Siemens air circuit breakers, especially the SENTRON 3WA series, are advanced solutions for power distribution in industrial and infrastructure applications. These circuit breakers are essential for maintaining the reliability and safety of electrical systems, particularly as automation and strict regulatory standards become more prominent.

The SENTRON 3WA air circuit breakers are known for their fail-safe performance in complex environments, ensuring continuous power and protecting against overloads, short circuits, and other potential faults. They are engineered to be flexible and adaptable, allowing for integration into diverse system setups. With intuitive features and straightforward customization options, the SENTRON 3WA breakers simplify installation and operation, making it easier for engineers and facility managers to achieve their power management goals.

SENTRON 3WA

Siemens’ SENTRON 3WA air circuit breakers are designed to meet the growing demands of modern power distribution, providing safety and reliability in increasingly automated environments. As power distribution systems need to comply with stricter standards, the SENTRON 3WA offers a solution that is not only robust but also flexible, allowing for easy customization to suit different infrastructure needs.

This breaker line is engineered to ensure fail-safe operation, helping manufacturers and operators achieve optimal results while maintaining system integrity. With SENTRON 3WA, Siemens aims to simplify complex power distribution challenges, making it easier for users to meet their specific objectives.

3WA1116-2AB32-0AA0

The Siemens 3WA1116-2AB32-0AA0 is a withdrawable circuit breaker with a guide frame, engineered for industrial and commercial power systems. Designed in compliance with IEC 60947-2, this product offers high performance and reliability, optimized for standard applications.

Key Features and Specifications:

• Number: 3WA1116-2AB32-0AA0
• Mounting Type: Withdrawable with a guide frame and shutter
• Frame Size: 1
• Poles: 3-pole configuration
• Rated Current (In): 1600 A
• Voltage Rating: Up to 690 V AC (50/60 Hz)

Breaking Capacity (Icu):

• 55 kA at 500 V
• 42 kA at 690 V

Features and Functionalities:

Trip Unit:

• Includes ETU300 LSI trip unit, optimized for standard applications

Protection types include:

• Long-time (LT)
• Short-time (ST)
• Instantaneous (INST)
• N-protection (requires an external N-sensor)

Guide Frame:

• Comes with a shutter for enhanced safety
• Does not include position signaling switches

Connections:

• Rear horizontal connection

Alarm and Indicators:

• Integrated trip alarm switch (1xCO)

Manual Operating Mechanism:

• Includes mechanical closing

Excludes:

• Spring charging motor
• Closing coil (CC)
• Remote trip alarm reset coil (RR)
• Shunt trips

Auxiliary Features:

• Equipped with 2NO and 2NC auxiliary switches

Display and Communication:

• No display, communication, or metering functions

Additional Product Information:

• Product Family: 3WA1 Air Circuit Breakers for up to 6300 A (AC), IEC
• Product Lifecycle (PLM): Active product (PM300)
• Commodity Code: 85362090
• Catalog ID: LV10
• Group Code: P360

Applications:

The Siemens 3WA1116-2AB32-0AA0 is ideal for applications requiring:

• High-current protection and reliable circuit isolation
• Flexibility with withdrawable configurations for ease of maintenance
• Systems needing a robust breaking capacity (up to 55 kA at 500 V)

This circuit breaker provides a dependable and efficient solution for managing and protecting power systems in demanding environments.