NGB3B090B - 90Amp Circuit Breaker

NGB3B090B - 90Amp Circuit Breaker

The Siemens NGB3B090B is a high-performance, low voltage panelboard mount G frame circuit breaker designed for reliability and safety in demanding electrical systems. Featuring a robust thermal-magnetic trip unit, this circuit breaker ensures precise protection against overloads and short circuits, making it ideal for various industrial and commercial applications. With a standard breaking capacity of 14KAIC at 600Y/347V and 25KAIC at 480Y/277V, it delivers consistent performance even under high-stress conditions. Its load side lugs only (TC1GG20) and wide wire range (8 - 1/0 AWG, copper/aluminum) enhance installation flexibility and efficiency.

Key Features and Benefits

• Thermal-Magnetic Trip Unit: Provides reliable protection against overloads and short circuits.
• High Breaking Capacity: 14KAIC at 600Y/347V and 25KAIC at 480Y/277V for robust performance in demanding environments.
• Flexible Installation: Load side lugs only (TC1GG20) and a wire range of 8 - 1/0 AWG (CU/AL) for versatile installation options.
• Compact Design: Dimensions of 3 x 5.4 x 2.8 inches, allowing for seamless integration into panelboards.
• Compliance: UL Listed and RoHS compliant, ensuring adherence to safety and environmental standards.

Technical Specifications

• Ampere Rating: 90A
• Poles: 3
• Voltage Rating: 600Y/347V (14KAIC);åÊ480Y/277V (25KAIC)
• Dimensions (W x H x D): 3 x 5.4 x 2.8 inches
• Weight: 2.615 lbs
• Wire Range: 8 - 1/0 AWG (Copper/Aluminum)
• Frame Type: G Frame

Material Compliance and Certifications

• UL Listed: Meets stringent safety standards for electrical devices.
• RoHS Compliant: Free from hazardous substances, ensuring environmental safety.
• WEEE Compliance: Fulfills the Waste Electrical and Electronic Equipment directive for take-back obligations.
• Country of Origin: Mexico

Suitability

• The Siemens NGB3B090B circuit breaker is suitable for a wide range of applications, including industrial facilities, commercial buildings, and infrastructure projects. Its high breaking capacity and thermal-magnetic trip unit make it ideal for protecting critical electrical systems from potential damage caused by overloads and short circuits. The breaker‰۪s compliance with UL and RoHS standards ensures it meets rigorous safety and environmental requirements, making it a reliable choice for contractors and electricians seeking dependable and eco-friendly circuit protection solutions.

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