Eaton Cutler-Hammer LDB3300

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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.

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 LDB3300
Product Line Series C L Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The Eaton LDB3300 Molded Case Circuit Breaker operates with 3 Poles and 300 Amps. The module has a L Frame and a Thermal-Magnetic Unit Type.

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Technical Specifications

Amps 300
Dimensions (W x H x D) 8.25 x 10.75 x 4.06 in.
Frame L
Interrupting Capacity 65 kA @ 240V AC
Part Number/Catalog No. LDB3300
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Unit Type Thermal-Magnetic
Weight 20 lbs

About the LDB3300

The Eaton Cutler-Hammer LDB3300 circuit breaker is a series C circuit breaker. It is a molded case circuit breaker that is mainly used in industrial settings. The circuit breaker comes with fixed thermal and fixed magnetic trips. The terminal of the circuit breaker is made of aluminum. The terminals of the circuit breaker come are line and load terminals. The running frequency range of the breaker lies between 50 and 60 Hertz. Depending on the applied load, the circuit breaker can change its running frequency. The LDB3300 circuit breaker comes in an LD frame. The interrupt rating of the circuit breaker is 65 kAIC at 240 Volts AC and 35 kAIC at 480 Volts AC. The breaker is best suited for reverse feed applications. The circuit breaker uses a bolt-on connection. It has a maximum voltage capacity of 600 Volts AC. The trip setting of the breaker can be adjusted 5 to 10 times with a continuous current rating.

The LDB3300 circuit breaker measures 8.25 inches in height, 4.06 inches in length, and 8.25 inches in width. The breaker weighs 20 pounds and comes with a UL 489 certification. During the circuit breaker installation process, the trip unit must be installed in the circuit breaker before a shunt trip is installed. The circuit breaker should not be reset and closed when energy is being applied to the shunt trip lead. The LDB3300 circuit breaker can also be manufactured in a separate assembly to meet the different application requirements. This circuit breaker is also able to be used in a busbar trunking tap-off box for the protection of the circuit. The Eaton circuit breakers are known for simpler communication, better protection, and easier energy metering than other circuit breakers.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the LDB3300:

  • LDB330O
  • LDB33O0
  • LDB33OO
  • LD83300
  • LD8330O
  • LD833O0
  • LD833OO
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