EH14030 - 30 Amp Circuit Breaker

EH14030 - 30 Amp Circuit Breaker

The Square D EH14030 30 Amp Circuit Breaker is built for reliability and everyday use, giving you the protection your circuits need without complicating installation. This single-pole breaker combines both thermal and magnetic trip technology, so it responds when your system faces overloads or sudden short circuits. Its slim, plug-on style makes it easy to work with, and the EH-4 frame provides steady performance under heavy loads. Whether you’re replacing a breaker in your home panelboard or setting up power in a commercial or industrial space, the EH14030 is designed to keep your system safe and running without interruptions.

Key Features and Benefits

• Two-in-One Protection: Overload defense from the thermal trip and fast short-circuit response from the magnetic trip.
• Handles Heavy Faults: Rated at 14 kAIC at 277 VAC, strong enough to deal with higher fault currents.
• Quick to Install: Plug-on design makes it straightforward for electricians or skilled DIYers.
• Built to Last: The EH-4 frame ensures steady, dependable operation even with frequent use.
  

Technical Specifications

• Weight: 1.75 lb
  
• Dimensions:
  • Width: 1.00 inch
  • Length: 3.50 inches
  • Depth: 2.63 inches
• Poles: 1
  
• Amperage: 30A
  
• Voltage Rating: 277 VAC
  
• Interrupting Capacity: 14 kA at 277 VAC
  
• Frame Type: EH-4
  
• Operating Temperature: 60 / 75 °C
  

Material Compliance and Certifications

• UL Listed: Independently tested to meet strict safety standards.
• RoHS Compliant: Designed with reduced hazardous materials for a safer, eco-friendlier build.
  

Suitability

• The EH14030 is designed exclusively for the NEHB Panelboard, giving you a reliable match and consistent performance. It’s a great choice for homes – protects major appliances, HVAC units, and other high-demand circuits. For commercial buildings – keeps offices, shops, and service spaces running with dependable circuit protection. In industrial applications – withstands heavy use while minimizing downtime in production environments.