NGB3B110B - 110 Amp Circuit Breaker

NGB3B110B - 110 Amp Circuit Breaker

Power up your electrical system with the Siemens NGB3B110B, a dependable 110 A, 3‑pole circuit breaker built to deliver consistent protection in commercial, industrial, and multi‑unit residential installations. Designed for low‑voltage panelboards, this breaker combines thermal overload and magnetic short‑circuit protection to safeguard wiring, equipment, and personnel. Thanks to its compact footprint and dependable performance, it’s a go‑to choice for electricians, facility managers, and contractors looking for efficient, long-lasting circuit protection.

Key Features and Benefits

• Thermal-Magnetic Trip Mechanism: Offers dual protection — thermal overload for prolonged current draw and magnetic short-circuit protection for sudden surges — helping prevent damage before it happens.
• Solid Interrupting Capacity: With ratings of 14 kAIC at 600Y/347 V and 25 kAIC at 480Y/277 V, this breaker ensures reliable operation under a range of electrical conditions.
• Load‑Side Lugs Only with Versatile Wire Range: Equipped with TC1GG20 lugs that support 8 – 1/0 AWG (Copper or Aluminum), making wiring straightforward and flexible.
• Space‑Saving Design: Measuring just 3 × 5.4 × 2.8 inches, the compact size fits easily into crowded panelboards — ideal for installations where space is limited but performance can’t be compromised.
• Dependable Performance for Heavy‑Duty Use: Engineered to deliver consistent protection day in and day out, this breaker helps maintain system integrity in demanding environments.

Technical Specifications

• Amperage: 110 A
  
• Poles: 3‑Pole
  
• Interrupting Capacity:
  • 14 kAIC at 600Y/347 V
  • 25 kAIC at 480Y/277 V
• Dimensions:
  • Width: 3.0 inches
  • Height: 5.4 inches
  • Depth: 2.8 inches
• Weight: Approx. 2.615 pounds
  
• Wire Range: 8 – 1/0 AWG (Copper or Aluminum)

Material Compliance and Certifications

• UL Listed: Meets strict safety and performance benchmarks set by Underwriters Laboratories.
• RoHS Compliant: Manufactured without hazardous materials restricted under the latest directives.
• WEEE Directive Compliant: Built with environmental responsibility in mind — designed for proper disposal and recycling at the end of life.

Where It Works Best

• The Siemens NGB3B110B performs best in settings where dependable circuit protection and flexible wiring configurations matter most. It’s an excellent fit for commercial buildings, industrial facilities, or large residential complexes. Whether you’re outfitting a new panelboard or upgrading an existing one, this breaker is well-suited for apartment buildings, small manufacturing plants, offices, or any installation requiring strong safety and reliability. It’s beneficial when space in the electrical panel is tight, but performance cannot be compromised.