ED63A125 - 125Amp Motor Circuit Protector

ED63A125 - 125 Amp Motor Circuit Protector

The ED63A125 is a 125 amp, 3-pole circuit breaker designed for 600VAC systems where you need fast fault protection without any delay built in. It uses a magnetic-only trip, so instead of waiting or reacting gradually, it trips instantly when a high fault current shows up. That’s especially useful in setups where equipment pulls a surge on startup—like motors—but still needs solid short-circuit protection in the background. The trip range falls between 500 and 1250 amps, which gives it some flexibility without making it overly sensitive. It’s part of the ED6-A frame series, so it fits into the setups designed for that frame size and keeps things fairly compact. Nothing fancy here—just a straightforward breaker that does exactly what it’s supposed to do when things go wrong.

Key Features and Benefits

• Trips instantly on high fault currents—no intentional delay
• Helps avoid nuisance tripping in high inrush situations
• 125A rating covers a lot of common commercial and light industrial needs
• 3-pole design for three-phase systems
• Works in 600VAC environments
• Simple, proven magnetic trip design

Technical Specifications

• Part Number: ED63A125
  
• Amperage: 125A
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Frame Type: ED6-A
  
• Trip Type: Magnetic Only (Instantaneous)
  
• Trip Range: 500A – 1250A
  
• Height: Approx. 6.35 inches
  
• Shipping Weight: 3.0 lbs
  

Material Compliance and Certifications

• Built with standard materials used in molded case circuit breakers and intended for use in systems that follow recognized electrical codes. Always match with your local requirements and panel specifications before installing.

Where It Works Best

• Motor circuits with high startup current
• Equipment that needs immediate short-circuit response
• Industrial panels and machinery
• Commercial distribution setups