NGB3B040B - 40A Circuit Breaker

NGB3B040B - 40A Circuit Breaker

The Siemens NGB3B040B is a highly reliable, low-voltage panelboard mount circuit breaker, designed to offer superior protection and control for electrical circuits. Featuring a robust thermal-magnetic trip unit, this circuit breaker ensures precise operation in a variety of conditions, making it ideal for both commercial and industrial applications. With its UL-listed NGB frame and standard breaking capacity, the NGB3B040B stands out as a dependable solution for managing electrical loads efficiently. Whether you need to safeguard your equipment against overcurrents or short circuits, the Siemens NGB3B040B delivers peace of mind with its proven performance and durable construction.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: This feature provides reliable protection by combining thermal (overload) and magnetic (short-circuit) trip functions, ensuring quick response to a variety of fault conditions.
• Standard Breaking Capacity: With a breaking capacity of 14kAIC at 600Y/347V and 25kAIC at 480Y/277V, the NGB3B040B can handle significant fault currents, minimizing the risk of damage to connected equipment.
• Load Side Lugs Only (TC1GG20): Equipped with load side lugs, this circuit breaker simplifies installation and connection to various types of wiring.
• Compact Dimensions: Measuring 3 inches in width, 5.4 inches in height, and 2.8 inches in depth, this circuit breaker is designed to fit seamlessly into space-constrained environments.
• Wide Wire Range: Supports wire sizes from 8 AWG to 1/0 AWG for both copper and aluminum conductors, providing flexibility in wiring options.

Technical Specifications:

• Rated Current: 40 Amperes
• Poles: 3
• Voltage Rating: 600Y/347V AC and 480Y/277V AC
• Breaking Capacity: 14kAIC at 600Y/347V; 25kAIC at 480Y/277V
• Trip Unit Type: Thermal-Magnetic
• Dimensions: 3" (W) x 5.4" (H) x 2.8" (D)
• Weight: 2.615 lbs
• Lug Type: Load Side Lugs Only (TC1GG20)
• Wire Range: 8 - 1/0 AWG (CU/AL)

Material Compliance and Certifications:

• UL Listed: Ensures compliance with safety standards for North American markets, guaranteeing reliable performance under specified conditions.
• RoHS Compliant: Meets the European Union's Restriction of Hazardous Substances directive, ensuring the product is free from hazardous materials.
• WEEE Take-Back Obligation: Compliant with the Waste Electrical and Electronic Equipment directive, ensuring responsible end-of-life disposal.
• REACH Information: Adheres to the EU regulation concerning the Registration, Evaluation, Authorization, and Restriction of Chemicals, minimizing the environmental impact.

Suitability:

• The Siemens NGB3B040B circuit breaker is ideally suited for use in low voltage panelboard systems within commercial buildings, industrial facilities, and institutional environments. Its robust design and reliable performance make it perfect for protecting electrical systems from overloads and short circuits, ensuring continuous and safe operation of critical electrical equipment. Whether for new installations or upgrades, the NGB3B040B provides a versatile and high-performance solution for your electrical distribution needs.