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EH14030 - 30 Amp Circuit Breaker

  • 30 Amp
  • 14k @ 277VAC
  • 1 Pole
Circuit BreakersSKU: EH14030 [R]

Purchase Options: Refurbished

EH14030 - 30 Amp Circuit Breaker Description

EH14030 - 30 Amp Circuit Breaker

If you’re maintaining an existing electrical panel, you already know—compatibility is everything. The EH14030 circuit breaker is designed to drop into place where you need it, matching the EH-4 frame and delivering the 30 amp, single-pole protection your system was built around. No overthinking, no unnecessary adjustments—just a straightforward replacement that does exactly what it’s supposed to do. At its core, this breaker uses a thermal magnetic trip mechanism, which means it’s constantly working behind the scenes. It reacts when circuits draw too much current over time (overloads) and responds instantly when a fault occurs (short circuits). That kind of balanced protection helps keep wiring and connected equipment operating safely without interruption. Installation is just as practical. The plug-on design allows for a secure, no-fuss connection in compatible panelboards, making it a solid choice for electricians and maintenance teams who want to get in, get it done, and move on. It’s compact, reliable, and built to last—exactly what you want when you’re keeping a system running the way it was originally designed.

Key Features and Benefits

  • 30 Amp, Single-Pole Protection – Matches common branch circuit requirements in 277VAC systems
  • Thermal Magnetic Trip – Handles both overload conditions and short circuits automatically
  • 14k A.I.C. Rating @ 277VAC – Suitable for circuits requiring this interrupting capacity
  • Plug-On Installation – Quick, secure fit into compatible panelboards
  • EH-4 Frame Design – Ensures proper alignment and connection in designated equipment
  • Compact and Practical – Fits cleanly into existing panel layouts
  • Built to Last – Designed for dependable, everyday electrical use

Technical Specifications

  • Part Number: EH14030
  • Poles: 1
  • Amperage: 30A
  • Voltage Rating: 277VAC
  • Interrupting Capacity: 14kA @ 277VAC
  • Frame Type: EH-4
  • Trip Mechanism: Thermal Magnetic
  • Mounting Style: Plug-On
  • Height: 3.5 inches
  • Ship Weight: 1.0 lb

Material Compliance and Certifications

  • Industry Standards: Meets commonly accepted industry standards for molded case circuit breakers
  • Code Compliance: Suitable for installations following North American electrical code requirements
  • Construction: Constructed with durable materials intended for long-term circuit protection

Where It Works Best

The EH14030 fits right into commercial and light industrial environments where 277VAC systems are standard—think lighting circuits, branch panels, and facility distribution setups. It’s especially useful when you need a like-for-like replacement in legacy panelboards that require an EH-4 frame breaker, helping you maintain system integrity without redesigning your setup.

 

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. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:1.0
  • Height:3.5
  • Depth:2.63
  • Poles:1
  • Amperes:30
  • A.I.C. Rating & Volts:14k @ 277VAC
  • Type:EH-4
  • Approx Dimensions:1.00"W x 3.50"L x 2.63"D
  • Additional Notes:Plug-On Thermal Magnetic Circuit Breaker

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).

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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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