The Eaton Cutler-Hammer HMDL3450 molded case circuit breaker is designed to deliver dependable protection for commercial and industrial electrical distribution systems. Built on the M-frame platform, this breaker features a thermal magnetic interchangeable trip unit that provides reliable protection against overloads and short circuits. With a 450-ampere current rating at 40°C and a 3-pole configuration, the breaker is suitable for high-capacity power systems operating up to 600VAC. Its bolt-on mounting design ensures secure installation within compatible switchgear or panelboards. The HMDL3450 also offers high interrupting capacity ratings, making it a dependable choice for demanding electrical protection applications.

Product Specifications

• Manufacturer: Eaton / Cutler-Hammer
• Model: HMDL3450
• Amperage Rating: 450 Amperes
• Number of Poles: 3 Pole
• Breaker Type: Molded Case Circuit Breaker
• Mounting Type: Bolt-On
• Frame Type: M Frame
• Frequency: 50/60 Hz
• Maximum Voltage: 600 VAC
• Warranty: One Year

Technical Specifications

• Trip Unit Type: Thermal Magnetic Interchangeable Trip Unit
• Trip Setting: 5–10 times the continuous ampere rating
• Operating Temperature Rating: 40°C
• Protection Functions: Overload and short-circuit protection
• Connection Type: Bolt-On
• Standard Lug Type: Standard mechanical lugs

Voltage and Ratings

• Rated Voltage: Up to 600 VAC
• Interrupting Capacity @ 240VAC: 100 kA
• Interrupting Capacity @ 480VAC: 65 kA
• Interrupting Capacity @ 600VAC: 35 kA
• Interrupting Capacity @ 250VDC: 25 kA
• Frequency Rating: 50/60 Hz

Product Data

• Product Series: Eaton M-Frame
• Product Category: Molded Case Circuit Breaker
• Application: Industrial and commercial electrical distribution protection
• Mounting Compatibility: Suitable for compatible Eaton switchgear and panelboards
• Condition Availability: New, surplus, or professionally refurbished depending on supplier inventory

Important Note

The product image typically represents a base model and is intended for identification purposes only. Accessories ordered together with the breaker can often be installed during order processing to match your required configuration. Installation compatibility and accessory requirements should be confirmed prior to purchase to ensure the breaker meets your specific electrical system needs.

Returns are easy

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

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