NGB3B090B - 90 Amp Circuit Breaker

NGB3B090B - 90 Amp Circuit Breaker

Looking for a dependable 90 Amp circuit breaker that delivers solid protection and installation flexibility for industrial or commercial power systems? The NGB3B090B is a panelboard‑mount, G‑frame breaker engineered for accuracy and safety when it matters most. Built around a thermal‑magnetic trip unit, it responds swiftly to overloads and short circuits — helping prevent expensive damage, downtime, or fire hazards. Whether you’re upgrading an existing distribution panel or wiring new equipment, this breaker’s consistent performance and broad compatibility make it a wise choice for professional electricians, contractors, and facility managers who demand reliability without fuss.

Key Features and Benefits

• Thermal‑Magnetic Trip Protection: Combines thermal overload and magnetic short‑circuit protection for dependable response under stress.
• High Interrupting Capacity: Rated for 14 kAIC at 600Y/347V and 25 kAIC at 480Y/277V — ensuring safe interruption even during heavy fault conditions.
• Flexible Wiring Options: Supports 8 AWG up to 1/0 AWG (copper or aluminum), giving you freedom and convenience during installation.
• Compact Footprint: At just 3 × 5.4 × 2.8 inches, it fits neatly into many standard panelboards without crowding.
• Load‑Side Lugs Configuration: Load-side lugs only (TC1GG20) simplify wiring while keeping things neat — ideal when managing multiple circuits in tight panel spaces.

Technical Specifications

• Ampere Rating: 90 A
• Number of Poles: 3
• Voltage Rating: 600Y/347V (14 kAIC) · 480Y/277V (25 kAIC)
• Wire Range (CU/AL): 8 AWG – 1/0 AWG
• Frame Type: G Frame
• Dimensions (W × H × D): 3.0 × 5.4 × 2.8 in
• Weight: 2.615 lb

Material Compliance and Certifications

• UL Listed: Meets rigorous third‑party safety standards for electrical protection devices.
• RoHS Compliant: Free from hazardous substances — contributing to safer, more environmentally responsible installations.
• WEEE Compliance: Meets electronic waste standards for end‑of‑life recycling and take‑back obligations.
• Made in Mexico: Manufactured with consistent quality control and global standards in mind.

Where It Works Best

• This 90 Amp G‑frame circuit breaker shines in a variety of settings — from industrial facilities powering motors and heavy equipment, to commercial buildings managing lighting, HVAC, or multi‑phase distribution panels. It’s especially well-suited for contractors and electricians working on renovations or new builds where dependable circuit protection, flexible wiring options, and code-compliant components are required. Use it in panelboards controlling machinery, branch circuits, or critical power loads where safety and reliability are non‑negotiable.