KDL32225 - 225 Amp Circuit Breaker

KDL32225 - 225 Amp Circuit Breaker

Take control of your electrical distribution with the KDL32225 molded case circuit breaker, engineered to deliver high performance and dependable protection in demanding commercial and industrial settings. With a 225 A rating and 240 V AC design, this breaker is built to safeguard your systems from overloads and short circuits—while giving you peace of mind that your power distribution is stable and secure.

Key Features and Benefits

• High-capacity load handling: Rated at 225 A for 3-phase systems, it’s ideal for substantial electrical demands.
• Thermal-magnetic protection: Combines long-time (overload) and instantaneous (short-circuit) trip functions in one integral device.
• Feed-through connectivity: Allows through-wiring on both line and load sides for flexible installation in complex panels.
• Consistent performance: Designed for dependable operation across a wide temperature range and under repeated cycling.
• Compact, service-friendly design: The molded case frame simplifies handling and reduces maintenance effort.

Technical Specifications

• Rated Voltage: 240 V AC
  
• Rated Current: 225 A
  
• Poles: 3 (three-phase)
  
• Interrupting Capacity: 25 kA at 240 V AC (UL rating)
  
• Trip Technology: Thermal-magnetic (LI: long-time + instant)
  
• Connection Type: Feed-through lugs (line and load)
  
• Frame Dimensions:
  • Height: 6.47 in
  • Width: 4.50 in
  • Depth: 3.93 in
• Wire Range / Torque: 25–150 mm² (AWG 4–300) / ~28 N·m tightening torque
  
• Certifications: UL / CSA / IEC compliant
  

Material Compliance and Certifications

• Industry Standards: This unit meets or exceeds industry safety standards including UL 489. It carries certification by UL, CSA, and conforms to IEC norms.
• Environmental Compliance: Built with materials that adhere to regulatory requirements, it’s designed with environmentally conscious practices and complies with global safety regulations.
  

Where It Works Best

• Industrial power distribution: For manufacturing plants, heavy machinery, production lines.
• Commercial infrastructure: Large offices, data centers, retail complexes.
• Panel upgrades or retrofits: Ideal when replacing older units in multi-breaker systems.
• Variable or heavy load environments: Where demand varies and short-circuit protection must be reliable.