EJB34030 - 30 Amp Circuit Breaker

EJB34030 - 30 Amp Circuit Breaker

The Schneider Electric EJB34030 – 30 Amp E‑Frame Mini Circuit Breaker is a dependable and efficient solution for safeguarding lighting and low‑voltage electrical panelboards. Designed to operate at 480Y/277 VAC with a 30 A rating and a three-pole configuration, this bolt-on breaker delivers reliable overload and short-circuit protection through its thermal-magnetic trip unit and clearly visible trip indicator. Built with a high interrupt capacity and rugged design, the EJB34030 is crafted for both residential and commercial electrical systems, offering long-lasting performance and peace of mind for demanding electrical loads.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Provides dependable protection against overloads and short circuits, helping prevent damage to your electrical system.
• High Interrupt Capacity: With a 100 kA interrupt rating at 120 VAC (and appropriately rated values at higher voltages), this breaker withstands heavy electrical loads and potential fault currents.
• Bolt-On Mounting: Easily installs in compatible panelboards with secure, straightforward bolt-on mounting, providing quick, dependable installation.
• Durable and Long-Lasting: Engineered for many years of service, minimizing the need for frequent replacements and ensuring steady performance over time.
• HACR & HID Compatibility: Rated for heating, air conditioning, refrigeration systems and high‑intensity discharge lighting, making the breaker versatile across different system types.

Technical Specifications

• Line Rated Current: 30 A
• Maximum Operating Voltage: 480Y/277 V AC
• Breaking Capacity: up to 65 kA at 277 V AC, and 100 kA at 120 V AC (with appropriate ratings at 240 V AC and 120/240 V AC configurations)
• Trip Unit Rating: 875 A
• Electrical Connection: Aluminum lugs
• Mounting Mode: Bolt-on
• Number of Poles: 3
• 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)
• Ambient Operating Temperature: up to 104 °F (40 °C)

Material Compliance and Certifications

• Certifications: cULus — meets recognized North American safety standards
• Environmental Performance: Green Premium label — manufactured with attention to sustainable practices, transparency in environmental impact, and low-CO₂ footprint
• Regulatory Declarations: Compliant with REACh and out-of-scope for EU and China RoHS directives; RoHS exemption status clearly documented

Where It Works Best

• The EJB34030 shines when installed in compatible bolt-on panelboards — particularly lighting panelboards — in residential, commercial, or light-industrial settings. It’s ideal for spaces requiring protection for lighting circuits, HVAC, refrigeration, or HID lighting systems. If you’re upgrading a building’s electrical protection, adding new circuits, or replacing an aging breaker, this unit delivers dependable long-term performance and flexible compatibility.