DK2350W - 350Amp Circuit Breaker

DK2350W - 350 Amp Circuit Breaker

The DK2350W circuit breaker is a high-capacity 350-amp, 2-pole thermal magnetic circuit breaker designed to protect electrical distribution systems operating at up to 240VAC. Built on a K-Frame platform, this breaker delivers dependable overcurrent protection for demanding commercial and industrial environments where consistent electrical performance is essential. Its 65kA interrupting rating allows it to safely handle significant fault currents, helping protect equipment, wiring, and downstream components from damage caused by overloads or short circuits. The thermal magnetic trip mechanism combines long-time overload protection with instantaneous response to high fault currents, supporting system reliability and operational safety. Rated for 40°C operation and HACR applications, the DK2350W is well-suited for HVAC equipment, power distribution panels, and other heavy electrical loads that require stable, high-amperage protection. The breaker features a non-interchangeable trip unit for consistent calibration and predictable performance. Please note that lugs are not included, allowing installers to select compatible connectors based on the specific installation requirements.

Key Features and Benefits

• 350 Amp current rating designed for high-load electrical distribution systems
• 2-pole configuration suitable for 240VAC applications requiring dual-phase protection
• 65kA A.I.C. rating at 240VAC helps safely interrupt high fault currents
• Thermal magnetic trip mechanism delivers both overload and instantaneous short-circuit protection
• K-Frame construction supports demanding commercial and industrial environments
• HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment circuits
• Non-interchangeable trip unit maintains consistent trip calibration and system reliability
• Designed for 40°C operating conditions commonly found in electrical rooms and industrial installations

Technical Specifications

• Part Number: DK2350W
• Frame Type: DK / K-Frame
• Breaker Type: Thermal Magnetic Circuit Breaker
• Poles: 2
• Amperage Rating: 350A
• Voltage Rating: 240VAC
• Interrupting Capacity: 65kA @ 240VAC
• Trip Unit: Non-Interchangeable
• Operating Temperature Rating: 40°C
• HACR Rated: Yes
• Lugs: Not Included
• Approximate Shipping Weight: 5.5 lbs
• Approximate Shipping Height: 10.13 in

Material Compliance and Certifications

• Industry Standards: Electrical components like the DK2350W circuit breaker are manufactured to meet recognized industry safety and performance standards for molded case circuit breakers used in low-voltage distribution systems. These standards help ensure dependable operation under specified load conditions and fault events. Compliance with established testing protocols supports safe integration into properly designed electrical panels and distribution equipment.

Where It Works Best

• The DK2350W 350A circuit breaker is commonly used in electrical systems that require dependable high-amp protection and strong interrupting capability. Typical applications include:
  • Commercial electrical distribution panels
  • Industrial machinery power circuits
  • HVAC and refrigeration systems (HACR applications)
  • Manufacturing facilities and processing equipment
  • Large commercial buildings and infrastructure systems
  • Electrical service equipment requiring high-amperage circuit protection