NGB2B110B - 110 Amp Circuit Breaker

NGB2B110B - 110 Amp Circuit Breaker

The Siemens NGB2B110B 110‑Amp circuit breaker delivers dependable, everyday protection for your low‑voltage panelboard installations — built to safeguard circuits against overloads and short circuits with precision. Ideal for commercial and industrial wiring environments, this dual‑pole G‑frame breaker offers a 110 A capacity with a thermal-magnetic trip unit, giving you peace of mind that your electrical system is protected when it matters most. Its sturdy build and easy-install features make it a solid choice whether you’re upgrading an electrical panel or installing a new one.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Offers reliable overload protection while instantly reacting to short circuits — combining two layers of defense to keep wiring safe.
• Easy Installation with Load-Side Lugs: Accommodates 8 to 1/0 AWG copper or aluminum conductors, making wiring quicker and simpler for both retrofit and new installations.
• Long‑Lasting Construction: Designed to stand up to challenging electrical environments, giving you years of service without frequent maintenance.

Technical Specifications

• Current Rating: 110 Amps
  
• Poles: 2 (dual‑pole configuration)
  
• Breaking Capacity:
  • 14 kAIC at 600Y/347V
  • 25 kAIC at 480Y/277V
• Dimensions:
  • Width: 2.0 in
  • Height: 5.4 in
  • Depth: 2.8 in
• Wire Range: 8 – 1/0 AWG, copper or aluminum
  
• Mounting: Panelboard mount
  

Material Compliance and Certifications

• UL Listed: Meets rigorous industry safety standards for reliable operation under load.
• RoHS Compliant: Free from hazardous substances, in line with environmental and health guidelines since July 2006.
• WEEE Directive Compliant: Designed for responsible end-of-life management, simplifying disposal or recycling when the time comes.

Where It Works Best

• This circuit breaker is an excellent match for commercial buildings, manufacturing facilities, retail stores, and other industrial settings where dependable circuit protection is essential. It performs exceptionally well in panelboards with limited space — delivering high breaking capacity in a compact form factor. Whether you’re upgrading an older electrical system or outfitting a new installation, the NGB2B110B ensures consistent safety and performance across a wide range of applications.