EGB34090 - 90 Amp Circuit Breaker

EGB34090 - 90 Amp Circuit Breaker

Elevate the safety and efficiency of your electrical system with the Schneider Electric EGB34090 90 Amp Miniature Circuit Breaker. This reliable, bolt‑on mount, 3‑pole breaker delivers dependable overload and short‑circuit protection for lighting and low‑voltage panelboards. With a 65 kA interrupting capacity and support for up to 480Y/277 VAC, it’s built for serious performance. Compact enough to fit neatly into existing panels without crowding, the EGB34090 gives you powerful protection in a small package — letting you run your systems with confidence and peace of mind.

Key Features and Benefits

• Thermal‑magnetic trip unit: Provides dependable protection against overloads and short circuits, cutting power swiftly when needed.
• Bolt‑on mounting: Ensures a secure, stable installation in NF‑style panelboards, reducing the risk of loosening or poor contacts over time.
• High interrupting capacity (65 kA at 120 VAC): Handles significant fault currents, helping protect wiring and equipment in demanding situations.
• Compact, space-saving design: Fits into standard lighting panelboards without requiring extra space — ideal for retrofits or tight installations.
• 3‑pole, 90 A rating: Offers flexible, balanced power distribution for multi-phase circuits, suitable for many commercial or industrial lighting and control applications.

Technical Specifications

• Frame Type: E‑Frame
  
• Rated Current: 90 A
  
• Poles: 3
  
• Voltage Rating: 480Y/277 VAC
  
• Interrupting Capacity: 65 kA at 120 VAC
• Mounting Mode: Bolt‑on mount for NF panelboards
  
• Dimensions:
  • Height: 5.66 inches (143.8 mm)
  • Width: 2.94 inches (74.7 mm)
  • Depth: 4.05 inches (102.9 mm)
• Weight: 4.0 lbs (1.81 kg)
  

Material Compliance and Certifications

• Eco‑conscious manufacturing: Meets environmental standards under the manufacturer’s Green Premium label — designed to minimize CO₂ footprint and environmental impact.
• Mercury‑free design: Engineered without mercury, and fully compliant with RoHS and REACh regulations for safer, greener installations.
• Strict safety compliance: Built to meet rigorous industry standards for electrical protection, helping ensure long‑term reliability and code compliance.

Where It Works Best

• The EGB34090 is an excellent choice for commercial and industrial lighting panelboards that demand dependable overload and short‑circuit protection. It works especially well in settings where high interrupting capacity is critical — manufacturing facilities, office buildings, warehouses, and any facility using multi‑phase lighting or control circuits. If you’re upgrading an older panel or designing a new installation, this breaker slips into standard NF‑style panelboards cleanly and delivers consistent, dependable performance for years to come.