NGB3B070B - 70Amp Circuit Breaker

NGB3B070B - 70Amp Circuit Breaker

The Siemens NGB3B070B is a top-tier low voltage panelboard mount circuit breaker designed for robust performance and safety in both residential and commercial electrical systems. This circuit breaker features a 70-ampere rating and a 3-pole configuration, offering reliable overcurrent protection with its advanced thermal-magnetic trip unit. Its NGB frame ensures standard breaking capacity, making it a versatile choice for various applications. Ideal for environments with voltage ratings of 600Y/347V (14kAIC) and 480Y/277V (25kAIC), the Siemens NGB3B070B stands out with its exceptional load side lug capability, accommodating wire ranges from 8 to 1/0 AWG (both copper and aluminum).

Key Features and Benefits:

• High Breaking Capacity: The NGB3B070B handles fault currents up to 14kA at 600Y/347V and 25kA at 480Y/277V, ensuring optimal protection for critical electrical circuits.
• Thermal-Magnetic Trip Unit: Combines thermal and magnetic protection for accurate response to both long-term overloads and short-circuits, enhancing system reliability.
• Compact and Versatile Design: Fits seamlessly into various panelboards and load centers, providing flexible solutions for complex electrical layouts.
• Wide Wire Range: Supports a broad range of wire sizes, accommodating both copper and aluminum conductors for diverse installation requirements.

Technical Specifications:

• Ampere Rating: 70A
• Poles: 3
• Voltage Rating: 600Y/347V (14kAIC) and 480Y/277V (25kAIC)
• Frame Type: NGB
• Trip Unit: Thermal-Magnetic
• Dimensions: 3" (W) x 5.4" (H) x 2.8" (D)
• Load Side Lugs: Yes (TC1GG20)
• Wire Range: 8 - 1/0 AWG (CU/AL)

Material Compliance and Certifications:

• UL Listed: Ensures the breaker meets stringent safety and performance standards, verified by Underwriters Laboratories.
• RoHS Compliant: Conforms to the Restriction of Hazardous Substances Directive, guaranteeing minimal use of hazardous materials.
• REACH Compliance: Meets requirements under the EU REACH regulation, ensuring safe use of chemicals in manufacturing.
• WEEE Take-Back Obligation: Fulfills the EU directive for the waste electrical and electronic equipment take-back and recycling.

Suitability:

• The Siemens NGB3B070B circuit breaker is engineered for a broad spectrum of applications, making it ideal for use in residential, commercial, and light industrial settings. Its robust design and advanced trip features make it suitable for protecting electrical systems in office buildings, retail environments, and small manufacturing facilities. Whether you're managing complex electrical infrastructures or ensuring the safety of residential installations, the NGB3B070B delivers reliable, efficient, and safe operation.

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.