EJB24045 - 45 Amp Circuit Breaker

EJB24045 - 45 Amp Circuit Breaker

Ensure safe, dependable operation of your electrical system with the Schneider Electric EJB24045. This 45 A, 2‑pole breaker is engineered to handle 480Y/277 VAC panelboard applications, safeguarding your lighting and power circuits from overloads and short circuits. As part of the trusted E‑Frame series, the EJB24045 delivers a high interrupt rating and consistent trip performance — offering peace of mind whether you’re wiring a small office, a commercial lighting panel, or an industrial subpanel. Its bolt-on design enables secure mounting in NF‑style panelboards, making installs straightforward and stable.

Key Features and Benefits

• High interrupt capacity for safety: With a maximum interrupt rating of 100 kA at 120 VAC (and appropriately rated values at other voltages), the EJB24045 delivers superior protection against electrical faults, reducing the risk of damage to equipment and wiring.
• Thermal‑magnetic trip unit: The built-in thermal-magnetic trip mechanism accurately detects overloads and short circuits, ensuring reliable shutdown when circuit conditions exceed safe limits.
• Durable and temperature-rated: Designed to operate reliably at up to 40 °C, this breaker maintains performance in demanding ambient conditions.
• Simple, secure installation: The bolt-on mounting style ensures the breaker fits firmly within NF panelboards — offering a clean, stable installation without complicated adapters or retrofitting.

Technical Specifications

• Product Range: 125 A Frame – EDB / EGB / EJB
  
• Device Short Name: EJB
  
• Module Type: E‑Frame
  
• Trip Unit Rating: 1800 A
  
• Line Rated Current: 45 A
  
• Maximum Operating Voltage: 480Y/277 VAC
  
• Breaking Capacity:
  • 100 kA at 120 VAC
  • 100 kA at 120/240 VAC
  • 65 kA at 277 VAC
  • 65 kA at 480Y/277 VAC
• Mounting Mode: Bolt‑on
  
• Number of Poles: 2
  
• Dimensions:
  • Height: 5.66 in
  • Width: 1.96 in
  • Depth: 4.05 in
• Weight: 3.0 lb
  

Material Compliance and Certifications

• UL Listing and Application Ratings: The EJB24045 meets rigorous safety standards. It is UL‑listed and rated for High-Intensity Discharge (HID) and HACR applications, ensuring compliance with applicable electrical codes and safety protocols.
• Green Premium™ Designation: In line with current environmental regulations, this breaker carries the Green Premium™ designation — confirming adherence to both RoHS and REACh directives. That means reduced use of hazardous materials, responsible manufacturing practices, and safer disposal at end of life.

Where It Works Best

• This circuit breaker is ideal for a variety of settings: residential lighting panels, commercial facilities, small to medium industrial installations — anywhere a dependable 45 A, 2‑pole breaker is needed. It shines in applications that demand reliable protection under continuous or intermittent loads, such as lighting circuits, HVAC systems, or motor control panels. Especially when installed into NF‑type panelboards, the EJB24045 delivers secure, low-maintenance performance over years of operation.