NB3900 - 900Amp Circuit Breaker

NB3900 - 900Amp Circuit Breaker

The NB3900 Circuit Breaker is a robust and reliable solution designed specifically for the maintenance of existing high-capacity electrical systems in industrial and commercial environments. With a substantial 900A rating and 3-pole configuration, this circuit breaker delivers exceptional protection against overcurrents and short circuits, ensuring the ongoing safety and efficiency of your electrical infrastructure. Engineered for durability and flexibility, the NB3900 features a 40°C rating and an interchangeable trip unit, making it adaptable to the specific needs of your system. Additionally, the inclusion of load-side terminals simplifies installation, providing a secure and efficient setup for maintenance professionals.

Key Features and Benefits:

• Thermal Magnetic Protection: This breaker integrates both thermal and magnetic trip elements, offering precise protection against overloads and short circuits, crucial for safeguarding your electrical systems.
• Interchangeable Trip Unit: The interchangeable trip unit enhances flexibility, allowing for easy adjustments and replacements, ensuring your system can adapt to changing requirements without the need for a complete overhaul.
• Load-Side Terminals Included: The included load-side terminals facilitate straightforward installation, enhancing efficiency and reliability during maintenance operations.
• Durable NB Frame: Built on the dependable NB frame, renowned for its durability and long service life, making it a trusted choice for maintaining critical electrical systems.

Technical Specifications:

• Amperes: 900A
• Poles: 3
• Voltage Rating: 240VAC, 480VAC, 600VAC
• Interrupting Capacity (AIC): 42k @ 240VAC, 30k @ 480VAC, 22k @ 600VAC
• Dimensions: 8.25"W x 16.00"L x 5.50"D
• Weight: 57 lbs
• Frame Type: NB
• Connection: Bolt-On
• Type: Thermal Magnetic Circuit Breaker
• Temperature Rating: 40°C
• Additional Features: Interchangeable Trip Unit, Load-Side Terminals Included

Material Compliance and Certifications:

• The NB3900 Circuit Breaker is constructed from high-quality materials that meet stringent industry standards, ensuring full compliance with necessary safety and performance regulations. Each unit is rigorously tested to guarantee reliable operation under real-world conditions in high-demand environments.

Suitability:

• This circuit breaker is specifically designed for maintenance applications in industrial and commercial settings, providing a reliable and effective replacement for existing electrical systems. Its high amperage capacity, interchangeable trip unit, and robust interrupting capacity make it particularly suitable for environments where ongoing safety and reliability are essential.

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