EJB34015 - 15 Amp Circuit Breaker

EJB34015 - 15 Amp Circuit Breaker

Built to deliver dependable overload and short‑circuit protection, the Schneider Electric EJB34015 Mini Circuit Breaker is a reliable choice for commercial and industrial lighting panelboards. This 15 A, 3‑pole E‑frame breaker operates at 480Y/277 VAC and handles up to 100 kA interrupt rating, giving you peace of mind that critical circuits are safeguarded against faults. Its bolt‑on design fits neatly into NF panelboards. When paired with its thermal‑magnetic trip unit, you get a circuit breaker that responds accurately and promptly to electrical anomalies. Rugged enough for demanding environments yet refined enough for everyday systems, the EJB34015 helps ensure both safety and system longevity.

Key Features and Benefits

• Reliable Circuit Protection: Provides dependable overload and short-circuit protection — essential to maintain the integrity and safety of your electrical system.
• Strong Interrupt Capacity: With a maximum interrupt rating of 100 kA, the breaker can clear major faults without failure.
• Bolt-On Installation: Designed for direct bolt‑on mounting in compatible NF panelboards, enabling quick, secure installation whenever you need it.
• Thermal‑Magnetic Trip Unit: Delivers accurate and consistent trip response, which helps prevent damage due to overcurrent or short circuits.
• Long-Term Durability: Built to withstand the demands of industrial and commercial use, offering reliable performance for many years.

Technical Specifications

• Product Range: 125 A Frame EDB‑EGB‑EJB
• Device Short Name: EJB
• Module Type: E‑Frame
• Trip Unit Rating: 875 A
• Line Rated Current: 15 A
• Maximum Operating Voltage: 480Y/277 V AC
• Applicable Wire Sizes: AWG 12–6 (aluminum), AWG 14–6 (copper)
• Breaking Capacity:
  • 65 kA at 277 V AC
  • 100 kA at 240 V AC
  • 65 kA at 480Y/277 V AC
  • 100 kA at 120 V AC
  • 100 kA at 120/240 V AC
• Electrical Connection: Aluminum lugs
• Holding Current: 270 A
• Local Signaling: Trip indicator
• Mounting Mode: Bolt‑on
• Number of Poles: 3
• Intended Panelboard: NF panelboard
• Protection Types: Short-circuit, Overload
• Trip Unit Technology: Thermal‑magnetic
• Breaking Capacity Code: J
• Tightening Torque (AWG 14‑6): 30.09 lbf·in (3.4 N·m)
• Dimensions:
  • Height: 5.66 in (143.76 mm)
  • Width: 2.94 in (74.68 mm)
  • Depth: 4.05 in (102.87 mm)
• Net Weight: 4 lb (1.81 kg)

Material Compliance and Certifications

• Certifications: The EJB34015 is cULus certified, meeting rigorous safety standards.
• Environmental Compliance: It carries the Green Premium label — signaling compliance with current environmental regulations — and is free from mercury. The unit also includes REACh declaration and proactive compliance with RoHS directives (where applicable).

Where It Works Best

• This circuit breaker is ideally suited for commercial buildings and industrial facilities that rely on lighting panelboards or other low‑voltage systems requiring dependable protection against overloads and short‑circuits. Use it when you want a reliable, easily installable breaker with high interrupt capacity and trustworthy trip characteristics. It’s handy for setups where circuit integrity and long-term performance are critical.