JD63B250L - 250Amp Circuit Breaker

JD63B250L - 250Amp Circuit Breaker

The Siemens JD63B250L is a premier low voltage, molded case circuit breaker from the SENTRON family, designed with a thermal-magnetic trip unit for enhanced reliability and performance. With a robust 250A capacity, this 3-pole breaker delivers a standard breaking capacity of 25kAIC at 600V and 35kAIC at 480V, ensuring optimal protection in demanding industrial applications.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Provides precise and reliable protection by combining thermal and magnetic trip functionalities, ensuring safety against overloads and short circuits.
• Standard 40å¡C Breaker JD Frame: Designed to operate efficiently in standard temperature environments, maintaining performance and durability.
• High Breaking Capacity: Withstands high fault currents, offering 25kAIC at 600V and 35kAIC at 480V, suitable for heavy-duty applications.
• Line and Load Side Lugs: Equipped with TA2J6500 lugs, supporting a wire range of 3/0AWG - 500KCM (CU) and 4/0AWG - 500KCM (AL), facilitating easy and secure installation.
• Compact Dimensions: Measuring 7.5 x 11 x 4 inches, this breaker is designed for space-saving installations without compromising on performance.

Technical Specifications:

• Model Number: JD63B250L
• Frame Type: JD
• Ampere Rating: 250A
• Poles: 3
• Interrupting Rating: 25kAIC at 600V, 35kAIC at 480V
• Standards Compliance: UL 489, IEC 60947-2
• Wire Range: 3/0AWG - 500KCM (CU), 4/0AWG - 500KCM (AL)
• Dimensions (W x H x D): 7.5 x 11 x 4 inches

Material Compliance and Certifications:

• UL 489 and IEC 60947-2 Standards: Certified for safety and reliability, ensuring adherence to international electrical standards.
• RoHS Compliance: The product is manufactured in compliance with RoHS directives, minimizing the use of hazardous substances.

Suitability:

• The JD63B250L is ideal for a wide range of industrial applications, including manufacturing plants, commercial buildings, and large-scale electrical systems. Its high interrupting capacity and reliable thermal-magnetic trip unit make it suitable for environments requiring robust protection against electrical faults. With easy installation and maintenance, the JD63B250L is a practical choice for both new installations and retrofitting existing systems.

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