JJ3B250 - 250Amp Circuit Breaker

JJ3B250 - 250Amp Circuit Breaker

The JJ3B250 is more than just a powerful 250A circuit breaker; it really stands out with its robust frame and dimensions that deserve your attention. This three-pole molded case circuit breaker features a JJ3 frame, measuring 9.00 inches wide, 11.00 inches long, and 4.00 inches deep. It's designed for durability and seamless integration as a form, fit, and functional replacement, ensuring it aligns perfectly with your existing equipment in terms of frame size, pole count, amperage, voltage, and interrupting ratings. Whether you're maintaining old systems or upgrading, the JJ3B250 has you covered!

Key Features and Benefits

• 250A, three-pole configuration for equipment requiring these specific electrical characteristics.
• JJ3 frame provides an important reference when checking physical and equipment compatibility.
• Type ET, 400 Ampere "JJ" Frame identification provides another useful point when comparing against an existing breaker.
• 40°C rating is clearly identified in the available product specifications.
  

Technical Specifications

• Part Number: JJ3B250
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: JJ3
  
• Additional Identification: Type ET, 400 Ampere "JJ" Frame
  
• Amperage: 250A
  
• Poles: 3
  
• AIC Rating at 240VAC: 42 kA
  
• AIC Rating at 480VAC: 30 kA
  
• AIC Rating at 600VAC: 22 kA
  
• Temperature Rating: 40°C
  
• Width: 9.00 in.
  
• Height / Length: 11.00 in.
  
• Depth: 4.00 in.
  
• Dimensions: 9.00 in. W × 11.00 in. L × 4.00 in. D
  
• Approximate Ship Weight: 22.00 lb.
  

Material Compliance and Certifications

No specific UL, CSA, IEC, RoHS, REACH, or other material compliance or certification information was provided in the available JJ3B250 specifications. These certifications should not be assumed. For an installation that requires a specific approval or compliance standard, confirm it on the breaker label or in the applicable product documentation.

Where It Works Best

The JJ3B250 is a practical fit for compatible existing and legacy electrical equipment that requires a 250A, three-pole molded case circuit breaker with the stated JJ3 frame characteristics. It is particularly useful when you're working from an existing breaker and need to compare the actual frame, dimensions, voltage, and interrupting capacity rather than relying on amperage alone.