Eaton Cutler-Hammer MES3800LS

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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 MES3800LS
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 MES3800LS is a Variable Voltage AC Drive. This unit also has an amperage rating of 800.

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One-Year Warranty

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Technical Specifications

Amps 800
Dimensions (W x H x D) 8.25 x 16 x 4.06 in.
Frame F
Part Number/Catalog No. MES3800LS
Poles 3
Product Type Trip Unit
Series C
Trip Unit 310+ Electronic LS
Unit Type 310+ Electronic
Weight 30 lbs

About the MES3800LS

The MES3800LS is a 3-Pole Digitrip RMS 310+ Electronic Trip Unit manufactured by the Eaton Corporation. It is suitable for use with Series-C, K-Frame Cutler-Hammer molded case circuit breakers and it is rated 800 Amps of current and 600 Volts AC or 250 Volts DC maximum operating voltage. It features an adjustable short time pickup with short time delay ramp, a performance test jack, and provision for a fixed or adjustable rating plug. A single green Light Emitting Diode (LED) indicates the status of the trip unit and it is ideal for achieving true RMS sensing for protection in events such as successive fault currents and overheating.

No additional power supply is needed by the MES3800LS Digitrip 310+ electronic trip unit to operate its protection systems because it is completely self-contained when the circuit is closed. It derives its operating power from phase current signal levels as well as the control power that is acquired from the current sensors installed in the trip unit. Using an adjustable rating plug with the MES3800LS Digitrip 310+ Trip Unit gives the users an option of setting the switch between A, B, C, or D and it has an integral thermal protection circuitry for self-protecting which trips whenever operations cause it to exceed the range of its ambient operating temperature. The MES3800LS Digitrip RMS 310+ trip unit is designed for both AC (50 to 60 Hertz) and DC use. Overall, it provides an added layer of protection to the control and protective capabilities of circuit breakers and it can be used alongside other internal and external circuit breaker accessories.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the MES3800LS:

  • MES3800L5
  • MES380OLS
  • MES380OL5
  • MES38O0LS
  • MES38O0L5
  • MES38OOLS
  • MES38OOL5
  • MES3B00LS
  • MES3B00L5
  • MES3B0OLS
  • MES3B0OL5
  • MES3BO0LS
  • MES3BO0L5
  • MES3BOOLS
  • MES3BOOL5
  • ME53800LS
  • ME53800L5
  • ME5380OLS
  • ME5380OL5
  • ME538O0LS
  • ME538O0L5
  • ME538OOLS
  • ME538OOL5
  • ME53B00LS
  • ME53B00L5
  • ME53B0OLS
  • ME53B0OL5
  • ME53BO0LS
  • ME53BO0L5
  • ME53BOOLS
  • ME53BOOL5
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