SQUARE D KA36250

The Square D KA36250 is a high-reliability, 3-pole molded case circuit breaker designed for use in I-Line panelboards and switchboards. Part of the legacy K-Frame family, this 250-Amp breaker provides essential overcurrent and short-circuit protection for industrial and commercial electrical systems.

Built with a thermal-magnetic trip unit, the KA36250 offers a "Long-Time" delay for handling temporary overloads and an "Instantaneous" trip for high-level fault protection. Its unique I-Line plug-on design allows for rapid installation and secure connection to the I-Line bus stack.

Key Specifications:

• Manufacturer: Square D (Schneider Electric)

• Catalog Number: KA36250

• Frame Type: K-Frame

• Amperage: 250 Amp

• Voltage Rating: 600V AC / 250V DC

• Number of Poles: 3-Pole

• Phase Connection: ABC (Standard)

• Mounting Type: I-Line Plug-On (Plug-In)

• Trip Unit: Thermal-Magnetic (Non-Interchangeable)

Interrupting Ratings (AIC):

• 240V AC: 42 kA

• 480V AC: 25 kA

• 600V AC: 22 kA

Features & Benefits:

• I-Line Compatibility: Designed specifically for Square D I-Line distribution systems, ensuring a specialized, high-pressure mechanical and electrical connection.

• Durable Construction: Built with heavy-duty molded materials to withstand demanding industrial environments.

• Easy Installation: The plug-on design eliminates the need for complex mounting hardware, significantly reducing downtime during maintenance or upgrades.

• Standards Compliance: UL Listed, CSA Certified, and IEC Rated for safety and performance reliability.

Physical Dimensions:

• Height: 8.00 in

• Width: 4.50 in

• Depth: 4.75 in

• Wire Range: Accommodates (1) #4 AWG to 350 kcmil (Aluminum or Copper)