KC342501021 - 250Amp Circuit Breaker

KC342501021 - 250Amp Circuit Breaker

The Square D KC342501021 is a robust and reliable molded case circuit breaker, engineered for demanding electrical distribution systems. As part of Schneider Electric's highly regarded I-Line series, this 3-pole breaker is designed to operate at 480 VAC and is rated for 250 amperes, offering dependable protection against overloads and short circuits in commercial and industrial applications. Its advanced thermal-magnetic trip unit ensures precise long-time and instantaneous protection, with adjustable trip settings ranging from 1,250 to 2,500 amps for optimal system coordination. This breaker includes a 120 VAC shunt trip for enhanced safety and remote tripping capabilities.

Key Features and Benefits

• Thermal-Magnetic Protection: Combines long-time overload protection and instantaneous trip functionality to secure your system from a wide range of electrical faults.
• Adjustable Trip Settings: Offers a trip range of 1,250 to 2,500 amps, ensuring system flexibility and tailored protection for various applications.
• Shunt Trip Capability: Equipped with a 120 VAC shunt trip for safe and convenient remote operation and disconnection.
• Durable Construction: Built for reliability in industrial environments, with molded case design for added safety and durability.
  

Technical Specifications

• Series: I-Line, Type KC
  
• Poles: 3
• Current Rating: 250 Amperes
  
• Interrupting Capacity: 65 kA at 480 VAC; 100 kA at 240 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Trip Range: 1,250 - 2,500 Amps
  
• Shunt Trip Voltage: 120 VAC
  
• Frequency: 60 Hz
  
• Operating Temperature: 40°C
  
• Frame Type: KC
  
• Dimensions: 4.50" W x 10.50" L x 4.38" D
  

Material Compliance and Certifications

• Constructed with high-quality, durable materials, the KC342501021 complies with industry safety and performance standards. While specific certifications are not detailed, Square D products typically adhere to UL (Underwriters Laboratories) standards and other applicable regulatory required

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