Eaton Cutler-Hammer DK3300

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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. Read more

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.

Some of the products sold by DO Supply, Inc. may come with firmware installed on them. DO Supply, Inc. makes no representation as to your ability or right to download, obtain, or use any firmware provided by the product's manufacturer. To the extent you wish to use such firmware, it is your responsibility to comply with the terms of any applicable license or other such agreement related to the download, installation, or use of the firmware. DO Supply, Inc. makes no representation that the version of the firmware that is installed on any product it sells is appropriate for your needs or use. Further, DO Supply, Inc. does not sell, re-sell, or license software that may be needed to operate certain hardware and customers must obtain any necessary software licensing, maintenance, or upgrades from the manufacturer or other authorized source. To the extent any of the products sold by DO Supply, Inc. requires software for operation, you acknowledge that DO Supply, Inc. does not sell or license such software and that it is solely your responsibility to obtain the software or a proper license to use it from authorized sources. Read less

Basic Details

MPN DK3300
Product Line Series C K Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The DK3300 Molded Case Circuit Breaker operates with 3 Poles and 300 Amps. The Thermal-Magnetic Molded Case Circuit Breaker is in the C Series and has a 11.5 lbs Weight.

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Technical Specifications

Amps 300
Dimensions (W x H x D) 5.5 x 10.13 x 4.1 in.
Frame K
Interrupting Capacity 65 kA @ 240V AC
Part Number/Catalog No. DK3300
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Unit Type Thermal-Magnetic
Weight 11.5 lbs

About the DK3300

The DK3300 is a Series C Cutler-Hammer thermal magnetic circuit breaker manufactured by the Eaton Corporation. Its rating is at a current of 300 Amps at 250 Volts DC or 240 Volts AC, 50 to 60 Hertz, with 3 poles, a K-frame, and it weighs 9.072 kilograms. It features 3 line and load terminals each and it is ideal for reverse feed applications as well as for controlling a wide range of industrial equipment that requires main or branch circuit protection. The rugged and efficient design of the DK3300 thermal magnetic circuit breaker makes it possible for it to be used for years without maintenance. It offers flexible installation options and it can be mounted horizontally or vertically, depending on preference or need.

It provides non-interchangeable trip capabilities and an easily accessible push-to-trip button and 3 adjustable trip units, each of which can be controlled or set with a screwdriver. A loose terminal on the DK3300 thermal magnetic circuit breaker can result in discoloration or overheating due to partial contact and it causes nuisance trips, so it is essential to ensure that all of its line and load terminals are fastened appropriately. Comparing this thermal magnetic breaker’s ratings to the information of on the nameplate of the equipment that the users intend to use it with helps them to determine if it is appropriate for use with the equipment in question. Note that the DK3300 thermal magnetic circuit breaker may derate or malfunction if exposed to impurities like dirt and grease as well as impurities like corrosive gases and vapor.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the DK3300:

  • DK330O
  • DK33O0
  • DK33OO
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