Eaton Cutler-Hammer MT3300T

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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 MT3300T
Product Line Series C M Frame
Manufacturer Eaton Cutler-Hammer
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DO Supply is NOT an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty.

Product Description

The MT3300T is a Variable Voltage AC Drive. This Variable Voltage Drive operates at 300 amps amps.

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One-Year Warranty

We are proud to offer a one-year DO Supply Warranty with all purchases.

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Technical Specifications

Amps 300 Amps
Dimensions (W x H x D) 8.25 x 16 x 4.06 inches
Frame F
Interrupting Capacity Standard, High, or Ultra High
Part Number/Catalog No. MT3300T
Poles 3
Product Type Trip Unit
Series C
Unit Type Thermal Magnetic
Weight 4 pounds

About the MT3300T

The MT3300T is a thermal magnetic circuit breaker manufactured by Eaton Cutler-Hammer. The Cutler-Hammer MT3300T circuit breaker belongs to the Series C Eaton MT Type molded case circuit breakers. The Cutler-Hammer MT3300T circuit breaker features cable in/cable out ports, 3 poles, 300 Amps of current rating, 600 Volts AC power, and a fixed thermal-magnetic trip. The Cutler-Hammer MT3300T circuit breaker is contained in a NEMA M-Frame Enclosure. The Cutler-Hammer MT3300T circuit breaker is designed for circuit protection for various DC end-user needs. The Cutler-Hammer MT3300T circuit breaker is suitable in UPS battery supply circuits, solar systems, and electric vehicle charging applications. Optional internal accessories can be configured to the Cutler-Hammer MT3300T circuit breaker to remotely trip and indicate the Cutler-Hammer MT3300T circuit breaker’s condition. The Cutler-Hammer MT3300T circuit breaker is applicable in both ungrounded and select-grounded applications while the poles are connected in series to achieve maximum voltage operation.

When using the Cutler-Hammer MT3300T circuit breaker on a 600 Volts AC grounded system, the 3 poles should be connected to an ungrounded leg. The Cutler-Hammer MT3300T circuit breaker’s 250 Volts DC rating is usable in ungrounded systems. The Cutler-Hammer MT3300T circuit breaker is handle-padlocked in the off position while the circuit breaker cover is interlocked by using a handle mechanism to prevent the opening the circuit breaker cover while the Cutler-Hammer MT3300T circuit breaker is in the on position. The Cutler-Hammer MT3300T circuit breaker’s PM3 is versatile enough to be mounted to the load side of the circuit breaker and to boost easy communication to a local network. The PM3 system enhances the communication of electrical system data and the circuit breaker conditions. The PM3 also evaluates the power and energy to a 1.0% reading accuracy and it is applicable for reverse-feed applications. The Cutler-Hammer MT3300T circuit breaker has end caps for securing the conductor that has a ring-type connector. The circuit breaker end cap accessory kit consists of 3 nuts, 3 capscrews, 3 lock washers, and 1 end cap.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the MT3300T:

  • MT330OT
  • MT33O0T
  • MT33OOT
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