Eaton Cutler-Hammer LDB3450 450 Amp Molded Case Circuit Breaker – 3 Pole – 65 kAIC at 240 Vac – Series C

The Eaton Cutler-Hammer LDB3450 is a Series C complete molded case circuit breaker featuring an L-frame design, a 450 A current rating, and fixed thermal, fixed magnetic trip protection. Designed for industrial and commercial electrical distribution systems, it provides thermal overload and magnetic short-circuit protection. The breaker offers interrupting capacities of 65 kAIC at 240 Vac and 35 kAIC at 480 Vac. It features aluminum construction, line- and load-side connections, and supports 50/60 Hz operation.

Specifications

• Manufacturer: Eaton
• Brand: Cutler-Hammer
• Product Type: Molded Case Circuit Breaker (MCCB)
• Product Series: Series C
• Frame Type: L-Frame
• Breaker Type: LDB
• Catalog Number: LDB3450
• Current Rating: 450 A
• Number of Poles: 3 Pole
• Voltage Rating: Not specified
• Interrupting Capacity at 240 Vac: 65 kAIC
• Interrupting Capacity at 480 Vac: 35 kAIC
• Trip Type: Fixed thermal, fixed magnetic
• Terminal Material: Aluminum
• Connection Type: Line and load
• Frequency: 50/60 Hz
• Breaker Configuration: Complete breaker

Part Numbers & Identification

• Manufacturer: Eaton
• Brand: Cutler-Hammer
• Catalog Number: LDB3450
• Product Family: Series C
• Frame Designation: L-Frame
• Breaker Configuration: Complete molded case circuit breaker
• Trip Mechanism: Fixed thermal, fixed magnetic
• Current Rating: 450 Amp
• Pole Configuration: 3 Pole

Compatibility

Designed for compatible Eaton Cutler-Hammer Series C L-frame applications requiring a three-pole, 450 A molded case circuit breaker with fixed thermal and fixed magnetic trip protection. Compatibility depends on matching the electrical ratings, interrupting capacity, terminal configuration, and mounting requirements of the existing equipment.

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You may return items within 10 days of delivery for a refund.

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