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EJB24030 - 30 Amp Circuit Breaker

  • 30 Amp
  • 65k @ 480VAC; 100k @ 240VAC
  • 2 Pole
Circuit BreakersSKU: EJB24030

Purchase Options: New In Box

Quantity
$425.71

EJB24030 - 30 Amp Circuit Breaker Description

EJB24030 - 30 Amp Circuit Breaker

The EJB24030 30A Circuit Breaker is a high‑performance E‑Frame miniature circuit breaker engineered to deliver dependable overload and short-circuit protection in lighting and power distribution panelboards. With a 30-ampere rating and a 2-pole configuration, this unit is built to meet the demands of both residential and commercial installations — delivering consistent, safe performance whether you're wiring a new facility or upgrading an existing one. Installation is straightforward thanks to its bolt-on design, and a built-in trip indicator allows you to see when a fault has occurred for faster troubleshooting quickly.

Key Features and Benefits

  • High Interrupting Capacity (100 kA): Capable of handling substantial fault currents, keeping circuits safe even under extreme conditions.
  • Broad Voltage Compatibility (480Y/277 VAC): Works seamlessly across a broad range of electrical systems, offering flexibility for different building setups.
  • Precise Thermal-Magnetic Protection: Combines thermal and magnetic trip mechanisms to guard against overloads and short circuits reliably.
  • Bolt-On Mounting for Easy Installation: Securely attaches to NF‑style panelboards, simplifying both initial setup and future maintenance.
  • Clear Trip Indicator: A built-in signal shows when the breaker has tripped, cutting down diagnostics and downtime during troubleshooting.

Technical Specifications

  • Frame Type: E‑Frame miniature circuit breaker
  • Poles: 2-pole
  • Current Rating: 30 A
  • Voltage Rating: 480Y/277 VAC
  • Interrupting Capacity (Icu): 100 kA at 120 VAC
  • Mounting Style: Bolt-on for NF‑style panelboards
  • Dimensions:
    • Height: 5.66 in (143.8 mm)
    • Width: 1.96 in (49.8 mm)
    • Depth: 4.05 in (102.9 mm)
  • Weight: 3 lb (1.36 kg)

Material Compliance & Certifications

  • UL Listed: Conforms to rigorous U.S. safety and performance standards.
  • CSA Certified: Meets Canadian electrical safety requirements, ensuring cross-border compliance.
  • Eco-Friendly Build: Free of mercury and compliant with RoHS and REACh regulations, aligning with sustainable manufacturing practices and environmental safety standards.

Where It Works Best

  • The EJB24030 shines when installed in NF‑style lighting or power distribution panelboards in commercial buildings, warehouses, or multi-unit residences. It's exceptionally well-suited for high-intensity discharge lighting circuits and HVAC, refrigeration, or other heavy-duty electrical loads that require reliable protection. Whether you're setting up a new installation or upgrading an existing panelboard, this breaker delivers long-lasting safety and stable performance.

 


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:2.0
  • Height:5.69
  • Depth:3.44
  • Poles:2
  • Amperes:30
  • A.I.C. Rating & Volts:65k @ 480VAC; 100k @ 240VAC
  • Type:EJB
  • Approx Dimensions:2.00"W x 5.69"L x 3.44"D
  • Additional Notes:Thermal Magnetic, Bolt-on, Circuit Breaker for NF Panelboard. Includes Load-Side Lugs

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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