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Eaton MDS-C16 - User Manual

Eaton MDS-C16
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Double-wide Fixed
Standard Frame Fixed
Narrow Frame Fixed
Instructions for Installation, Operation and Maintenance of
Magnum DS, DSX and DSL Low Voltage Power Circuit Breakers
I.B. 2C12060H08 Supersedes I.B. 2C12060H07 dated April 2005
Effective May 2006
IB2C12060H08
For more information visit: www.EatonElectrical.com
www . ElectricalPartManuals . com

Table of Contents

Questions and Answers

  • A
    Anthony HuangAug 6, 2025
    What to do if the Eaton Power Tool circuit breaker trips open?
    • B
      barry38Aug 6, 2025
      If the Eaton Power Tool circuit breaker trips open, it could be due to several reasons. First, ensure the rating plug is installed and corresponds to the current sensors. If the breaker trips repeatedly due to transient current, allow the breaker and loads to cool before re-closing. Finally, an overload or fault current condition may be present. Use the status and fault indicators to locate and remove the overload or fault.
  • D
    David NielsenAug 20, 2025
    Why does my Eaton MDS-C16 circuit breaker open if the fault trip indicator button is not out?
    • T
      tylerkellyAug 20, 2025
      If your Eaton Power Tool circuit breaker opens and the fault trip indicator button is not out, several factors could be at play. It might be due to undervoltage release operation; in this case, check and correct the UVR supply voltage to be within 85-110% of the rated voltage. Alternatively, the shunt trip may be operating, so check the control signals to the shunt trip and correct if necessary. If neither of these is the cause, the trip latch may be defective, so inspect its condition and engagement before closing.

Summary

Section 1: Introduction

1-1 General Information

Overview of Magnum DS, DSX, and DSL circuit breakers, their configurations, and applications.

1-2 Safety Features

Details built-in interlocks and safety features for hazard reduction and proper operating sequences.

1-3 Safety Practices

Outlines essential safety practices for personnel working with circuit breakers.

1-4 Qualified Personnel

Defines qualifications for personnel operating and maintaining circuit breakers.

Section 2: Receiving, Handling and Installation

2-6 Installing Drawout Circuit Breaker

Section 3: Circuit Breaker Description and Operation

3-1 Introduction

3-6 Electronic Tripping System

Introduces the three-part electronic tripping system: trip unit, sensors, and trip actuator.

3-8 Accessory Devices

3-9 MDSL Limiters;Blown Limiter Indication

Provides information on MDSL current limiters, their application, and blown limiter indication.

Section 6: Inspection and Maintenance

6-1 General

Emphasizes importance of inspection and maintenance for equipment life and reliability.

6-4 What to Inspect

6-4.1 Functional Field Testing

Outlines functional tests for manually and electrically operated circuit breakers.

6-4.2 Arc Chute Inspection

6-4.3 Primary Contact Inspection

Details visual inspection of primary contacts for wear and damage using a contact wear indicator.

6-5.1 Rating Plug Replacement

Instructions for removing and installing rating plugs, emphasizing matching ratings.

6-5.2 Current Sensor Replacement

Guides on replacing current sensors, stressing matching ratings with the trip unit.

6-5.3 Current Limiter Replacement (MDSL)

Instructions for replacing MDSL current limiters, stressing size adherence.

Section 7: Troubleshooting

7-1 Introduction

Eaton MDS-C16 Specifications

General IconGeneral
BrandEaton
ModelMDS-C16
CategoryPower Tool
LanguageEnglish

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