EJB24110 - 110 Amp Circuit Breaker

EJB24110 - 110 Amp Circuit Breaker

Upgrade your electrical system with the Schneider Electric EJB24110 circuit breaker, built to deliver dependable protection and long-term performance. This 110-amp, 2-pole E‑Frame breaker is engineered for use in Square D NF panelboards. With a substantial breaking capacity of up to 100 kA, it handles demanding electrical loads safely — making it an ideal pick for heavy-duty commercial and industrial installations, including HVAC systems.

Key Features and Benefits

• High 110 Amp Capacity: Designed to support significant power distribution — perfect for large lighting loads, motor circuits, or centralized HVAC panels.
• Thermal‑Magnetic Trip Mechanism: Provides both overload and short-circuit protection to safeguard your wiring and equipment from damage.
• Bolt-On Mounting Design: Simplifies installation into NF panelboards while ensuring a secure, stable connection that stays put.
• 2-Pole Configuration at 480Y/277 VAC: Offers balanced power distribution and reliable performance for three-phase loads.
• HACR‑Rated: Fully compatible for heating, air conditioning, and refrigeration circuits, widening the scope of its applications.
• High Breaking Capacity (Up to 100 kA): Built to interrupt high-fault currents, helping prevent catastrophic failures during short circuits or fault conditions.

Technical Specifications

• Product Range: 125 A Frame — EDB / EGB / EJB series
• Device Short Name: EJB
• Frame Type: E‑Frame
• Rated Current: 110 A
• Poles: 2
• Voltage Rating: 480Y/277 VAC
• Breaking Capacity:
  • 65 kA at 277 VAC
  • 100 kA at 240 VAC
  • 65 kA at 480Y/277 VAC
  • 100 kA at 120 VAC or 120/240 VAC
• Conductor Compatibility: AWG 14…AWG 2/0 copper; AWG 12…AWG 2/0 aluminum
• Connection Type: Lug-type aluminum terminals
• Holding Current: 1000 A
• Trip Unit: Thermal-Magnetic
• Mounting Method: Bolt-on — requires 2 spaces
• Dimensions:
  • Height: 5.66 inches
  • Width: 1.96 inches
  • Depth: 4.05 inches
• Weight: 3 lbs

Material Compliance and Certifications

• cULus Listed: Certified to meet standard safety and performance requirements in North America.
• Green Premium™ Product: Complies with environmentally conscious manufacturing standards; supports reduced carbon footprint efforts.
• RoHS & REACH Compliant: Designed in accordance with strict regulations to limit hazardous substances, promoting safer disposal and recycling.
• Ambient Operation: Rated for operation up to 104 °F (40 °C) — suitable for typical industrial and commercial indoor environments without derating.

Where It Works Best

• The EJB24110 shines in commercial and industrial settings where dependable circuit protection is crucial — think lighting panelboards, motor control centers, or central HVAC systems. Its HACR rating makes it especially suitable for refrigeration, air conditioning, and heating circuits. Wherever there’s a need for consistent 110 Amp distribution with strong overload and short-circuit protection — like manufacturing floors, large commercial buildings, or mechanical rooms — this breaker provides a highly dependable solution.