JD3150 - 150Amp Circuit Breaker

JD3150 - 150Amp Circuit Breaker

For an existing installation that calls for an Eaton JD3150, getting the details right matters. This 150A, three-pole Series C molded case circuit breaker is a complete breaker built around Eaton's JD circuit breaker type and J frame, with a T186 trip type. The JD3150 comes with aluminum terminals on both the line and load sides, so the connection details are already defined when you check it against your existing breaker. The JD3150 is UL Listed and built to last, making it a practical form, fit, and functional replacement when the equipment requires this exact breaker configuration.

Key Features and Benefits

• 150A rating with a three-pole configuration.
• Part of Eaton's Series C molded case circuit breaker line.
• JD circuit breaker type with a J frame.
• Uses Eaton's specified T186 trip type.
• Rated for 600VAC and 250VDC.
• Supplied as a complete breaker.
• Includes line and load terminals made from aluminum.
• 50/60 Hz frequency rating.
• UL Listed according to the manufacturer.
  

Technical Specifications

• Catalog Number: JD3150
  
• Manufacturer: Eaton
  
• Product: Series C Complete Molded Case Circuit Breaker
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Circuit Breaker Type: JD
  
• Frame: J
  
• Frame Type: Complete Breaker
  
• Amperage Rating: 150 A
  
• Number of Poles: 3
  
• Voltage Rating: 600 VAC, 250 VDC
  
• Frequency Rating: 50/60 Hz
  
• Trip Type: T186
  
• Interrupt Rating at 240VAC: 65 kAIC
  
• Interrupt Rating at 480VAC: 35 kAIC
  
• Terminals: Line and Load
  
• Terminal Material: Aluminum
  
• Width: 4.13 in.
  
• Height: 4.13 in.
  
• Length / Depth: 4.06 in.
  
• Product Weight: 9.25 lb.
  
• UPC: 786679346136
  
• Certification: UL Listed
  

Material Compliance and Certifications

The JD3150 is UL Listed, according to Eaton's published specifications. That is the certification supplied for this particular catalog number.

Where It Works Best

The Eaton JD3150 is a fit for compatible existing and legacy equipment that calls for a 150A, three-pole Series C breaker with the JD type, J frame, and T186 trip type. It is especially important to check these details rather than choosing a replacement based solely on the 150A rating. Before putting the breaker into service, compare the existing unit with the JD3150's 600 VAC / 250 VDC voltage rating, pole count, trip type, frame, terminal arrangement, dimensions, and applicable interrupting rating. For AC systems, remember that the published interrupting capacity varies with voltage: 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. Matching those details helps confirm the correct form, fit, and function for the equipment.