NGB3B015B - 15 Amp Circuit Breaker

NGB3B015B - 15 Amp Circuit Breaker

Give your electrical system dependable overcurrent protection with the Siemens NGB3B015B, a durable and efficient low-voltage circuit breaker engineered for panelboard installations. This 15‑amp, 3‑pole breaker from Siemens’ G‑Frame lineup is purpose-built to deliver accurate thermal‑magnetic tripping, safeguarding your wiring and equipment from overloads and short circuits. Designed for industrial and commercial environments, it provides peace of mind by helping ensure the safety and continuity of your electrical supply—whether you’re upgrading an older panel or wiring a new installation.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Offers combined thermal (overload) and magnetic (short‑circuit) protection for fast, precise response when trouble strikes—protecting circuits before damage can occur.
• High Interruption Capacity: Rated to interrupt up to 14 kAIC at 600Y/347 V and 25 kAIC at 480Y/277 V, making it suitable for demanding commercial and light industrial electrical loads.
• Compact, Panel‑Ready Design: Measuring 3 × 5.4 × 2.8 inches, the breaker fits neatly into standard panelboard layouts, maximizing space efficiency without sacrificing performance.
• Simple Wiring Connections: Equipped with load-side lugs (TC1Q1) that accept 14–10 AWG copper or aluminum conductors, streamlining installation and ensuring secure, reliable wiring.

Technical Specifications

• Amperage: 15 A
  
• Poles: 3
  
• Breaking Capacity:
  • 14 kAIC @ 600Y/347 V
  • 25 kAIC @ 480Y/277 V
• Dimensions:
  • Width: 3 inches
  • Height: 5.4 inches
  • Depth: 2.8 inches
• Weight: 2.615 lbs
  
• Wire Range: 14–10 AWG (Copper or Aluminum)
  
• Mounting: Panelboard
  

Material Compliance and Certifications

• UL Listed: Meets recognized industry safety and performance standards for circuit breakers.
• RoHS Compliant: Manufactured in accordance with the Restriction of Hazardous Substances directive, helping to reduce environmental impact.
• WEEE Compliant: Designed to meet Waste Electrical and Electronic Equipment standards, facilitating responsible recycling and disposal.

Where It Works Best

• This Siemens NGB3B015B breaker is ideal for commercial buildings, warehouses, light manufacturing facilities, or any setting where dependable 15‑amp circuit protection is required. It’s perfect for panelboard upgrades, branch circuit protection, or as part of a broader electrical safety setup. Whether you’re outfitting a new facility or reinforcing an existing system, this breaker delivers consistent performance and peace of mind so you can focus on what matters—running your operations safely and smoothly.