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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
MPN | KDB3300W |
Product Line | Series C K Frame |
Manufacturer | Eaton Cutler-Hammer |
The KDB3300W is a Variable Voltage AC Drive by Allen-Bradley. The amperage rating of this unit is 300 amps.
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Amps | 300 Amps |
Dimensions (W x H x D) | 5.5 x 10.13 x 4.1 inches |
Frame | K |
Interrupting Capacity | 65 kA at 240 Volts AC |
Part Number/Catalog No. | KDB3300W |
Poles | 3 |
Product Type | Molded Case Circuit Breaker |
Series | C |
Unit Type | Thermal-Magnetic |
Weight | 11.5 pounds |
The Eaton Cutler-Hammer KDB3300W Thermal-Magnetic Circuit Breaker is a multipurpose circuit breaker in the Eaton Cutler-Hammer Series C, Frame K family of completely assembled thermal magnetic circuit breakers with a frame and a non-adjustable trip unit. It is designed to provide line overload and short-circuit protection to conductors and connected electrical devices like motors and motor starters, and it is suitable for reverse feed use and HACR-rated applications. It is designed for low-load applications, with a current rating of 300 Amps, and an operating voltage of 600 Volts AC or 250 Volts DC. The KDB3300W offers a 35 kAIC (Kilo Ampere Interrupting Capacity) interrupting capacity suitable for low-voltage systems, and it comes with a molded case enclosure made of insulating material for protection from hazardous shocks.
It has a non-interchangeable trip unit, which is made of temperature-sensitive and magnet-sensitive thermal and magnetic trip elements, and these trip elements provide very fast trip action in the event of prolonged current overload. The KDB3300W is also made of a quick break/make trip-free operating mechanism, designed to operate the contacts of the breaker and also to indicate the position of the breaker (off, on, or tripped). It has a factory-rated 40 degrees Celsius temperature limit, but in processes requiring higher ambient temperatures, this circuit breaker can be field calibrated to compensate for the higher operating temperature. It is designed to operate within a non-corrosive and non-condensing relative humidity range from 0 to 95%, and it can be used at a maximum height of 6000 feet without impeding the regular functions. The KDB3300W is designed to meet BS, UL, AS, and IEC standards, and it comes with an average weight of 5.2 kilograms (11.5 pounds), with a shipping volume of 149.7 x 257.3 x 104.1 millimeters (5.5 x 10.1 x 4.1 inches).
Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the KDB3300W: