JJA36250AAYQ - 250 Amp Circuit Breaker

JJA36250AAYQ - 250 Amp Circuit Breaker

Built for heavy-duty electrical systems, this 250-amp circuit breaker delivers dependable protection for commercial and industrial applications where safety, uptime, and ease of installation are non-negotiable. Employing advanced thermal-magnetic technology, it offers sharp detection of overloads and short-circuit conditions—helping you safeguard your equipment, staff and facility without sacrificing performance or service continuity.

Key Features & Benefits

• Precision Thermal-Magnetic Protection: With its built-in thermal/magnetic trip mechanism, this breaker responds accurately to overloads and fault conditions—so your system stays protected and downtime is minimised.
• High Fault Interrupting Capacity (AIC): Engineered to handle demanding electrical environments, it provides the interrupting ratings you need for large load centres and industrial gear.
• Plug-In I-Line Frame Design: The plug-in format simplifies installation and panel retrofits, bringing down labour time, reducing installation errors and letting your team work smarter.
• Compact Yet Capable: At just 4.50" wide, 10.50" long and 4.38" deep, and weighing around 12 lbs, it fits neatly into existing I-Line panels while delivering full performance—no oversized footprint required.

Technical Specifications

• Amperage: 250 A
• Poles: 3
• Voltage / Interrupting Ratings:
  • 100 kA @ 240 VAC
  • 65 kA @ 480 VAC
  • 25 kA @ 600 VAC
• Physical Dimensions:
  • Width: 4.50″
  • Length: 10.50″
  • Depth: 4.38″
• Approximate Weight: 12 lbs
• Frame Type: JJA

Material Compliance & Certifications

• This breaker is constructed with high-durability moulded case materials, designed to meet stringent industry safety standards. It is certified under UL 489 and CSA (Canadian Standards Association) for assured reliability and regulatory compliance—giving you peace of mind that your electrical protection choices are up to code.

Where It Works Best

• Industrial Facilities: Ideal for factories, manufacturing plants, heavy-duty workshops and other high-demand settings where dependable protection is essential.
• Commercial Buildings: An excellent fit for office complexes, retail centres and data-centric installations that need three-pole protection in a streamlined panel setup.
• Panel Retrofits & Upgrades: If you’re upgrading an existing I-Line style panel or replacing ageing circuit breakers, this model drops in with minimal fuss and offers an immediate performance and safety upgrade.