DK2250Y - 250Amp Circuit Breaker

DK2250Y - 250 Amp Circuit Breaker

The DK2250Y circuit breaker is a high-capacity thermal magnetic breaker designed for dependable circuit protection in demanding commercial and industrial electrical systems. Built on the K-Frame DK platform, this 2-pole, 250-amp breaker delivers strong interruption performance with a 65kA A.I.C. rating at 240VAC, helping safeguard equipment from overloads and short circuits. Its non-interchangeable trip unit provides consistent, factory-calibrated protection, while the HACR rating makes it suitable for heating, air-conditioning, and refrigeration applications. Designed to operate reliably in environments up to 40°C, the DK2250Y offers stable performance in electrical distribution panels where dependable overcurrent protection is essential. Line-side lugs are included to simplify installation and ensure secure conductor connections.

Key Features and Benefits

• 250 Amp Protection: Designed to protect circuits carrying higher current loads in commercial and industrial electrical systems.
• 2-Pole Configuration: Ideal for protecting 240VAC circuits in panelboards and distribution equipment.
• 65kA Interrupting Rating at 240VAC: Helps safely interrupt high fault currents, protecting equipment and electrical infrastructure.
• Thermal Magnetic Trip Mechanism: Combines thermal overload protection with magnetic short-circuit protection for fast, reliable response.
• K-Frame (DK) Construction: Engineered for dependable operation in demanding power distribution environments.
• HACR Rated: Suitable for heating, air-conditioning, and refrigeration equipment circuits.
• Non-Interchangeable Trip Unit: Factory-set calibration ensures consistent performance and protection.
• Includes Line-Side Lugs: Simplifies wiring and installation while providing secure electrical connections.
• 40°C Operating Environment: Designed to maintain stable operation in standard electrical room conditions.

Technical Specifications

• Part Number: DK2250Y
  
• Frame Type: DK (K-Frame)
  
• Number of Poles: 2
  
• Amperage Rating: 250A
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 65kA A.I.C. @ 240VAC
  
• Trip Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• HACR Rated: Yes
  
• Operating Temperature Reference: 40°C
  
• Included Accessories: Line-Side Lugs
  
• Approximate Shipping Weight: 5.5 lbs
  
• Height: 10.13 in
  

Material Compliance and Certifications

• Industry Standards: The DK2250Y circuit breaker is manufactured to meet widely recognized North American electrical safety and performance standards for molded case circuit breakers.
• UL Standards: Products in this class are typically designed for compliance with UL listing requirements and applicable industry safety standards, helping ensure dependable protection in commercial and industrial electrical installations when installed according to code and manufacturer specifications.
  

Where It Works Best

• Commercial building panelboards and distribution panels
• Industrial power distribution equipment
• HVAC and refrigeration systems requiring HACR-rated breakers
• Manufacturing facilities with high-current branch circuits
• Electrical service upgrades or replacement breakers for compatible K-Frame systems