Merlin Gerin Masterpact MP-MC - User Manual

Masterpact
installation
instructions
universal power
breaker
TM
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push OFF
MERLIN GERIN
MP20
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test
disconnected
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discharged
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push ON
circuit breaker
3 pole
600V 50/60Hz
frame size 2000A
suitable for continious operation
at 100% rating in a minimum cubical
space H17.5 by W21 by D14.1/4 inches
ventilation is not required
interrupting rating
max RMS sym amps
Volts
240
480
600
short time rating 75KA
Amps
75K
75K
75K
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MERLIN GERIN
mastering electrical power

Summary

Introduction and Initial Setup

Tools Needed

Lists essential tools for installation and handling.

Storage Recommendations

Provides guidelines for storing the breaker safely and optimally.

Stacking Guidelines

Specifies maximum permitted stacking configurations for different models.

Identifying Your Masterpact

Circuit Breaker Frame Markings

Details the identification markings found on the circuit breaker frame.

Stationary Assembly Markings

Details the identification markings found on the stationary assembly.

Unpacking Procedures

MP08 to MP30 Unpacking

Step-by-step instructions for unpacking Masterpact breakers from MP08 to MP30.

Drawout Mounted Unpacking

Procedures for unpacking drawout mounted breakers without the stationary assembly.

Removing Shipping Bolts

Instructions for removing the four shipping bolts during unpacking.

Unpacking (Continued)

Stationary Assembly Only Unpacking

Steps for unpacking when only the stationary assembly is involved.

MP40 to MP63 Drawout Mounted Unpacking

Instructions for unpacking MP40 to MP63 drawout mounted breakers.

Handling and Lifting

Using Lateral Handles for Lifting

Guidance on using lateral handles for lifting the circuit breaker.

Lifting with a Sling

Instructions for safely lifting the breaker using a lifting sling.

Lifting with a Forklift

Cautions and steps for lifting the breaker using a forklift.

Handling (Continued)

Handling MC32 Breakers

Specific handling instructions for the MC32 model.

MC32 Sling and Forklift Handling

Procedures and cautions for lifting MC32 breakers with slings or forklifts.

Handling (Continued)

Handling MP40 to MP63 Breakers

Handling instructions for MP40 to MP63 models.

MP40-MP63 Sling and Forklift Handling

Procedures and cautions for lifting MP40-MP63 breakers with slings or forklifts.

Attaching Rear Terminals

MP08-MP16 Terminal Attachment

Instructions for attaching rear terminals on MP08-MP16 models.

MP20 Terminal Attachment

Instructions for attaching rear terminals on MP20 model.

MP25-MP30 Terminal Attachment

Instructions for attaching rear terminals on MP25-MP30 models.

Attaching Rear Terminals (Continued)

MC32, MP40, MP40-MC40 Terminal Attachment

Instructions for attaching rear terminals on MC32, MP40, and MP40-MC40 models.

MP50 and MP50-MP63-MC50 Terminal Attachment

Instructions for attaching rear terminals on MP50 and MP50-MP63-MC50 models.

Control Wiring

Control Wiring for Fixed Mounting

Steps for performing control wiring on fixed mounted breakers.

Arc Chute Wire Routing Warning

Critical safety warning regarding control wire routing near arc chutes.

Control Wiring (Continued)

Control Wiring for Drawout Mounting

Steps for performing control wiring on drawout mounted breakers.

Terminal Location Details

Information on the location of control wiring terminals.

Arc Chute Wire Placement Caution

Reiterates safety warning about control wire placement near arc chutes.

Disconnecting and Connecting Instructions

Breaker Operational Positions

Descriptions of connected, test, disconnected, and withdrawn breaker positions.

Operational Position Notes

General operational notes regarding breaker positions and operation.

Disconnecting Instructions

Pre-Disconnecting Breaker Opening

Crucial note to open the breaker before disconnection.

Racking Crank Engagement and Positioning

Steps for engaging the racking crank and positioning the breaker.

Racking Handle Removal and Breaker Extraction

Caution on handle removal and steps for breaker extraction.

Removing Frame from Assembly

Step 5: Use lateral handles to remove frame from stationary assembly.

Installing in Stationary Assembly

Racking Handle;Breaker Insertion Note

Note: Prevent extraction if racking handle is inserted or breaker is not fully disconnected.

Extension Rails and Breaker Engagement

Steps for pulling extension rails and engaging breaker supports.

Moving Breaker to Disconnected Position

Step 3: Move breaker from withdrawn to disconnected position.

Control Unit Pressing Caution

Caution: Do not press control unit while pushing breaker in.

Connecting Instructions

Conditions for Connection Operation

Lists conditions required for connecting operation.

Racking Crank Engagement and Turning

Steps for engaging the racking crank and turning it to the connected position.

Force Warning and Crank Storage

Warning on force needed and step for racking crank storage.

Operational Instructions (Charging, Closing, Opening, Resetting)

Charging Procedures (Manual & Electrical)

Instructions for manual and electrical charging of the breaker's spring mechanism.

Closing Coil (XF) and Closing Conditions

Notes on the closing coil and conditions required for breaker closing.

Local Opening and Resetting Procedures

How to open the breaker locally and caution on fault clearing before resetting.

Locking Procedures

Locking Circuit Breaker Frame and VBP Device

Methods for locking the circuit breaker frame and using a VBP padlocking device.

Locking in Open and Disconnected Positions

Steps to lock the breaker in the open and disconnected positions.

Locking Stationary Assembly and Standard Padlocking

Methods for locking the stationary assembly using Kirk lock or standard padlock.

Notes on Locking Positions

Notes on locking in disconnected or all positions.

Locking Procedures (Continued)

Door Locking with VDP Interlock

Locking the door using a door interlock (VDP).

VDP Interlock Mounting Note

Note on mounting the door interlock hook on either side.

Locking Procedures (Continued)

Shutters Padlocking and Positions

Locking shutters in storage, open, and closed positions using a padlocking device.

Spring Charged Interlock Caution

Interlock preventing disconnection when springs are charged; caution with trip devices.

Merlin Gerin Masterpact MP-MC Specifications

General

Brand	Merlin Gerin
Model	Masterpact MP-MC
Category	Circuit breakers
Language	English