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Eaton HLDB3450Y - Molded Case 450A 600V 3-Pole Breaker

Cutler Hammer
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Eaton HLDB3450Y is a Series C HLDB type molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole, 450-amp breaker operates at 600 VAC and 250 VDC, featuring a fixed thermal and fixed magnetic trip unit for long-time and instantaneous protection (LI functions) within an L-frame construction. Weighing 25 lb, it uses a bolt-on connection with aluminum line and load terminals, and is rated for 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. The breaker is UL listed for safety and reliability, suitable for 50/60 Hz applications. Typical applications include motor control centers, switchboards, and panelboards in commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Eaton
  • Family: Series C
  • Model: HLDB
  • Current Rating: 450 A
  • Voltage Rating: 600 VAC, 250 VDC
  • Number of Poles: 3
  • Phase: 3
  • Frame Type: L-Frame
  • Frame Size: L Frame
  • Trip Type: Fixed Thermal / Fixed Magnetic (T186)
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Interrupt Rating: 65 kAIC at 240 VAC, 35 kAIC at 480 VAC
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Terminals: Aluminum, Line and Load
  • Frequency: 50/60 Hz
  • Weight: 25 lb
  • Certifications: UL Listed