EJB24100 - 100 Amp Circuit Breaker

EJB24100 - 100 Amp Circuit Breaker

The Schneider Electric EJB24100 is a dependable 2-pole, 100-amp miniature circuit breaker engineered to deliver high-quality protection for commercial and industrial panels. Operating at up to 480Y/277 VAC, this breaker offers dependable overload and short-circuit protection, helping keep your electrical infrastructure safe and efficient. Whether you’re building a new panelboard or updating an existing one, the EJB24100 offers solid performance and long-lasting reliability you can count on.

Key Features and Benefits

• High Interrupt Capacity: With up to 100 kA interrupt rating at 120 VAC (and appropriately rated limits at other voltages), this breaker handles short-circuit surges without hesitation, safeguarding your systems from damage.
• Accurate Thermal‑Magnetic Tripping: The built-in thermal‑magnetic trip unit delivers consistent, precise operation — ensuring circuits are protected against overcurrent and overload events.
• Bolt‑On Installation: The bolt-on mounting design ensures a secure, stable connection to compatible NF panelboards — making installation and maintenance straightforward.
• HACR Rated Versatility: This breaker is approved for use with heating, air conditioning, and refrigeration (HACR) systems — giving you flexibility across different commercial or industrial applications.
  

Technical Specifications

• Product Type: Miniature circuit breaker (E‑Frame, device short name EJB)
  
• Poles: 2-pole
  
• Rated Current: 100 A
  
• Voltage Rating: Up to 480Y/277 VAC
  
• Breaking Capacity:
  • 100 kA at 120 VAC / 120/240 VAC
  • 65 kA at 277 VAC and 480Y/277 VAC
• Trip Unit Rating: 2300 A
  
• Connection Type: Aluminum lugs
  
• Holding Current: 1000 A
  
• Mounting Mode: Bolt-on (requires 2 spaces)
  
• Panelboard Compatibility: NF series panelboards
  
• Protection Type: Overload and short-circuit
  
• Trip Mechanism: Thermal‑magnetic
  
• Wire Torque Specs:
  • AWG 14–10: 34.5 lbf·in (3.9 N·m)
  • AWG 8–2/0: 49.6 lbf·in (5.6 N·m)
• Dimensions:
  • Height: 5.66 inches
  • Width: 1.96 inches
  • Depth: 4.05 inches
• Weight: 3 lbs (1.36 kg)
  

Material Compliance and Certifications

• Certified to cULus Standards: Ensuring it meets recognized safety and performance benchmarks.
• Environmental Compliance: Meets RoHS and REACH regulations — free from restricted hazardous substances.
• Mercury-Free Design: Supporting a cleaner, safer working environment.
• Green Premium Label: Reflects a commitment to environmental responsibility and transparency in manufacturing practices.
  

Where It Works Best

• This EJB24100 circuit breaker shines in commercial or industrial settings — such as office buildings, warehouses, HVAC control panels, and light-to-medium low-voltage lighting or motor control panels. It’s particularly suited for use in new installations or upgrades where dependable overcurrent protection is required. If you’re looking to enhance safety, ensure consistent electrical protection, and maintain energy system integrity, this breaker delivers dependable performance without fuss.