LD63B400 - 400Amp Circuit Breaker

LD63B400 - 400Amp Circuit Breaker

The LD63B400 by Siemens is a robust and reliable low voltage SENTRON molded case circuit breaker designed to provide superior protection for your electrical systems. This thermal-magnetic trip unit breaker is crafted to meet the highest industry standards, complying with UL 489 and IEC 60947-2 specifications, ensuring optimal performance and safety. With a standard 40å¡C breaker LD frame and standard breaking capacity, this 400A, 3-pole circuit breaker delivers reliable protection with 25kAIC at 600V and 35kAIC at 480V, making it suitable for various industrial and commercial applications.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Offers reliable and precise protection against overloads and short circuits.
• High Breaking Capacity: Provides a breaking capacity of 25kAIC at 600V and 35kAIC at 480V, ensuring robust performance in demanding environments.
• Compliance with Industry Standards: Meets UL 489 and IEC 60947-2 standards for assured quality and safety.
• Versatile Connectivity: Includes line and load side lugs (TA2J6500) with a wide wire range of 3/0AWG - 500KCM (CU) and 4/0AWG - 500KCM (AL), allowing for flexible installation options.

Technical Specifications:

• Frame Size: LD
• Current Rating: 400A
• Poles: 3
• Breaking Capacity: 25kAIC at 600V, 35kAIC at 480V
• Dimensions: 7.5 x 11 x 4 inches (W x H x D)
• Weight: 19.268 lbs

Material Compliance and Certifications:

• RoHS Compliance: Ensures adherence to environmental standards, contributing to safer and greener product usage.
• WEEE Take-Back Obligation: Complies with the WEEE Directive (2012/19/EU) for proper disposal and recycling of electrical and electronic equipment.

Suitability:

• The LD63B400 circuit breaker is ideal for a wide range of applications, including industrial facilities, commercial buildings, and electrical distribution systems. Its high current rating and breaking capacity make it suitable for protecting electrical circuits from damage caused by overloads and short circuits, ensuring the safety and reliability of your electrical infrastructure.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.