Eaton Cutler-Hammer HMDL3450

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DO Supply, Inc. sells surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with DO Supply, Inc. and not the manufacturer. DO Supply, Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products.

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Basic Details

MPN HMDL3450
Product Line Series C M Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The Eaton HMDL3450 Molded Case Circuit Breaker operates with 3 Poles and 450 Amps. It also has a F Frame and a Thermal Magnetic Unit Type.

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One-Year Warranty

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Technical Specifications

Amps 450 Amps
Dimensions (W x H x D) 8.25 x 16 x 4.06 inches
Frame F
Interrupting Capacity 100 kAIC at 240 Volts AC
Part Number/Catalog No. HMDL3450
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Unit Type Thermal Magnetic
Weight 30 pounds

About the HMDL3450

The Eaton Cutler-Hammer HMDL3450 is a 3-pole thermal-magnetic circuit breaker. This breaker has been designed with consideration taken for the sizes and mechanisms from the M frame product line of the C Series of Eaton molded case circuit breakers. The Eaton Cutler-Hammer HMDL3450 3-pole thermal-magnetic circuit breaker is recommended for applications that require a high interrupting capacity. Its 3 poles can detect an abnormal current at the same time, offering a fast tripping action. One of the benefits of the Eaton Cutler-Hammer HMDL3450 3-pole thermal-magnetic circuit breaker is that once it has detected a fault and this fault has been cleared, it can start operating immediately. There is no waiting time for this kind of device. Some premises to consider before installing the Eaton Cutler-Hammer HMDL3450 3-pole thermal-magnetic circuit breaker are the ambient temperature, the cable sizing, and the mounting place.

These 3 options can have a direct effect on the performance of the breaker. For example, the breaker can operate at its 100% rating within a temperature range of 40 degrees Celsius and with a 75 degrees Celsius cable with a length of 4 feet. If by chance the breaker is included in an enclosure with poor ventilation or it operates at higher temperatures, it will need to be derated by at least 20%. The Eaton Cutler-Hammer HMDL3450 3-pole thermal-magnetic circuit breaker has a maximum ampere rating of 450 Amps and an interrupting capacity of 65 symmetrical Amps at 480 Volts AC. The Eaton Cutler-Hammer HMDL3450 3-pole thermal-magnetic circuit breaker package includes the whole factory assembled circuit breaker that contains the frame, trip units, and terminals.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the HMDL3450:

  • HMDL345O
  • HMDL34S0
  • HMDL34SO
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