EJB34020 - 20 Amp Circuit Breaker

EJB34020 - 20 Amp Circuit Breaker

The EJB34020 20-amp circuit breaker delivers dependable overload and short‑circuit protection for lighting panelboards and low‑voltage electrical systems. Designed for easy bolt-on installation into compatible panelboards, it operates at 480Y/277 VAC with a high interrupt capacity of up to 100 kA — ensuring your electrical setup stays safe even under demanding conditions. With built-in thermal‑magnetic tripping, a clear trip indicator, and durable construction rated for 40 °C ambient temperature, this breaker provides consistent, long-lasting protection in residential, commercial, or light industrial environments.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit — Accurately senses overloads and short circuits to cut power fast when needed.
• High Interrupt Capacity — Up to 100 kA interrupt rating offers strong protection for high-demand circuits.
• Bolt‑On Mounting — Simple, secure installation directly into compatible panelboards.
• Clear Trip Indicator — Lets technicians quickly see if the breaker has tripped.
• Durable Service Life — Built for longevity, offering many years of dependable protection.

Technical Specifications

• Line Rated Current: 20 A
• Maximum Operating Voltage: 480Y/277 V AC
• Breaking/Interrupt Capacity:
  • 65 kA at 277 V AC
  • 100 kA at 120/240 V AC
• Trip Unit Current Rating: 875 A
• Electrical Connection: Aluminum lugs
• Mounting Mode: Bolt‑on
• Number of Poles: 3
• Dimensions:
  • 5.66 in (143.8 mm) H
  • 2.94 in (74.7 mm) W
  • 4.05 in (102.9 mm) D
• Net Weight: 4.0 lb (1.81 kg)
• Ambient Operating Temperature: Up to 104 °F (40 °C)

Material Compliance and Certifications

• cULus certified — Meets recognized North American safety standards.
• Green Premium®‑labeled — Reflects environmentally responsible design, low CO₂ footprint, and compliance with modern sustainability guidelines.
• Regulatory Compliance Declarations: Includes REACH Declaration, China RoHS Declaration; product is outside the legal scope of EU RoHS but manufactured in full environmental compliance.

Where It Works Best

• The EJB34020 mini breaker fits perfectly in lighting panelboards and low-voltage distribution systems — especially in settings where reliable, long-term circuit protection is critical. It works well in residential homes, commercial buildings, offices, retail spaces, and light industrial facilities needing dependable protection for lighting circuits, HVAC controls, or general branch circuits. Its durable construction and high interrupt capacity make it a solid choice for any installation where safety and long-term performance are priorities.