EP3150 - 150Amp Circuit Breaker

EP3150 - 150 Amp Circuit Breaker

If you’re working with an existing ED-A frame panel and need a circuit breaker that fits right the first time, the EP3150 is a straightforward solution. This 150 amp, 3-pole breaker is built for consistency—delivering the protection your system expects without guesswork or modification. Whether you’re replacing a worn unit or maintaining an older setup, getting the correct amperage, frame type, and configuration matters—and that’s exactly where this breaker fits in. The thermal magnetic trip mechanism handles both everyday overloads and sudden short circuits, helping keep your electrical system operating safely. Its common-trip design ensures that all three poles disconnect at once, which is critical for protecting multi-phase equipment. And with a plug-on style connection, installation is simple and secure for compatible panelboards. It’s a practical, no-nonsense component made to do its job reliably over time.

Key Features and Benefits

• 150 amp rating for consistent load handling in commercial and industrial systems
• 3-pole, common-trip configuration for full multi-phase protection
• Thermal magnetic trip responds to both overloads and short circuits
• Plug-on design for secure, straightforward installation
• Designed specifically for ED-A frame panel compatibility
• 10kA interrupting capacity at 240VAC for dependable fault interruption
• Requires six (6) 1-inch panel spaces
• Built to last under regular operating conditions

Technical Specifications

• Part Number: EP3150
  
• Amperage: 150A
  
• Poles: 3
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Frame Type: ED-A
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Plug-On
  
• Trip Configuration: Common-Trip
  
• Panel Space Requirement: Six (6) 1" spaces
  
• Approximate Shipping Weight: 30 lbs
  
• Height: 7.25 inches
  

Material Compliance and Certifications

• Meets applicable UL standards for molded case circuit breakers
• Designed to align with industry safety and performance requirements
• Suitable for installation following NEC guidelines when used in compatible systems

Where It Works Best

The EP3150 is a strong fit for commercial and industrial environments using ED-A frame panelboards. You’ll typically find it in distribution panels, equipment protection setups, and facilities running 240VAC systems. It’s especially useful in maintenance and replacement scenarios where matching the original breaker’s specifications is essential to keep everything running as intended.