NGB3B035B - 35 Amp Circuit Breaker

NGB3B035B - 35 Amp Circuit Breaker

Experience dependable circuit protection with the Siemens NGB3B035B, a 35-amp, 3‑pole circuit breaker engineered for low‑voltage panelboard installation. Whether you're outfitting an office building, warehouse, or industrial facility, this breaker offers dependable performance and safety features that electricians and facility managers rely on. Its thermal‑magnetic trip unit delivers both overload and short‑circuit protection, while versatile voltage and wire‑size support give you installation flexibility. Designed to handle demanding electrical loads, this breaker brings peace of mind and confidence to your electrical system.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Provides two levels of protection in a single device: the thermal element guards against overloads, and the magnetic component reacts instantly to short circuits.
• High Interrupting Capacity: Can safely interrupt up to 14 kAIC at 600Y/347V and 25 kAIC at 480Y/277V, ensuring the breaker can handle high-fault currents without compromise.
• Compact Layout: With a width of just 3", height of 5.4", and depth of 2.8", it fits neatly into standard panelboards without crowding adjacent breakers.
• Flexible Wiring Options: Accepts 8–1/0 AWG for both copper and aluminum conductors, simplifying installation and adaptation to existing wiring infrastructure.
• Reliable Performance in Heavy‑Duty Settings: Built for commercial and industrial environments where safety and consistency matter most.

Technical Specifications

• Amperage: 35 A
  
• Poles: 3 (three‑pole configuration)
  
• Voltage Ratings: Compatible with 600Y/347 V and 480Y/277 V systems
  
• Interrupting (Breaking) 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
• Wire Size Range: 8 – 1/0 AWG (Copper or Aluminum)
  
• Trip Mechanism: Thermal‑Magnetic
  
• Terminal Lugs: Load‑side only (TC1GG20)
  

Material Compliance and Certifications

• UL Listed: Meets recognized safety and performance standards, assuring compliance with stringent regulatory requirements.
• RoHS Compliant: Free from hazardous substances in accordance with the Restriction of Hazardous Substances Directive.
• WEEE Directive Compliant: Encourages responsible disposal and recycling under the Waste Electrical and Electronic Equipment guidelines.
• REACH Compliant: Meets chemical safety standards under the Registration, Evaluation, Authorization, and Restriction of Chemicals regulation.

Where It Works Best

• The Siemens NGB3B035B delivers dependable protection across a variety of environments. It's an excellent choice for commercial spaces such as office buildings, retail centers, and hospitals. It also performs well in industrial settings, including manufacturing plants, light‑industrial workshops, and service facilities. If your application demands a 35 Amp, 3‑pole breaker with strong interrupting capacity, flexible wiring options, and dependable overcurrent protection — especially where safety and code compliance are priorities — this breaker is a solid, professional-grade solution.