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Index
MOULDED CASE CIRCUIT BREAKERS MSX
General technical data
Time/Current characteristics
Compact MCCBs - MSXc
Traditional MCCBs - MSX
Electronic MCCBs - MSXE
MCCBs with residual current protection - MSXD
Accessories (auxiliary contacts, releases, motor operator, rotary handles and interlock)
Compact MCCBs - MSXc
Traditional MCCBs (MSX), electronic MCCBs (MSXE), MCCBs with RCD (MSXD)
Automatic transfer switch
Connections and temperature ratings
Compact MCCBs - MSXc
Traditional MCCBs (MSX), electronic MCCBs (MSXE), MCCBs with RCD (MSXD)
Dimension
Circuit breakers (fixed and plug-in version/with and without motor operator)
Direct and transmitted rotary handles
Terminal covers and interpole barriers
Link and wire mechanical interlocks
For technical information contact the Technical Assistance Service or visit gewiss.com
Technical Information
page 2
page 7
page 12
page 21
page 37
page 41
page 50
page 68
page 77
page 82
page 90
page 148
page 157
page 163
Version 2.0
1
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Summarization of Contents
MOULDED CASE CIRCUIT BREAKERS MSX
General Technical Data
Provides general technical specifications for MSX circuit breakers.
Time/Current Characteristics
Details tripping time curves for various current levels and conditions.
Connections and Temperature Ratings
Covers terminal connection types and temperature performance data.
Dimension
Provides dimensional drawings and measurements for circuit breakers.
COMPACT MCCB WITH THERMAL AND MAGNETIC PROTECTION
MSX 160c - MSX 250c
Technical details for compact MCCBs with thermal-magnetic protection.
MCCB WITH ELECTRONIC PROTECTION
MSXE Series Specifications
Specifications for electronic MCCBs across various MSXE models.
MCCB WITH RESIDUAL CURRENT PROTECTION
MSXD Series Details
Details for MCCBs with residual current protection (MSXD series).
SIGNALING AND CONTROL (INTERNAL ACCESSORIES)
Accessory Combinations
Shows valid combinations of internal accessories for different MCCB types.
MOTOR OPERATOR
Features and Specifications
Highlights key features, ratings, and specifications of motor operators.
ROTARY HANDLES AND LOCKING DEVICES
Direct Rotary Handles
Details for direct rotary handles and associated mechanisms.
INSULATION ACCESSORIES
Terminal Covers
Covers for front and rear connections to protect terminals.
OPENING RELEASES
Shunt Trip and Undervoltage Releases
Information on shunt trip and undervoltage releases.
TERMINAL BLOCK (FOR INTERNAL ACCESSORIES)
Plug-in MCCB Terminal Blocks
Description of terminal blocks for plug-in MCCBs.
MOTOR OPERATOR
Motor Operators for MCCBs up to 1000A
Details on motor operators for MCCBs up to 1000A.
MOTOR OPERATOR
Status Indication and Control Circuits
Explains status indicators and control circuits for motor operators.
MOTOR OPERATOR
Motor Operator Control Circuits
Provides control circuit diagrams for motor operators.
MOTOR OPERATOR
Ratings and Specifications (1250A-1600A)
Technical specifications for motor operators on 1250A-1600A frames.
MOTOR OPERATOR
Operation Modes and Precautions
Covers motorized, manual operation, and usage precautions.
ROTARY HANDLES AND LOCKING DEVICES
Safety Features and Orientation
Lists safety features and orientation details for rotary handles.
ROTARY HANDLES AND LOCKING DEVICES
Extended Rotary Handle and Mechanisms
Details on extended rotary handles, door interlock, and handle lock mechanisms.
INSULATION ACCESSORIES
Terminal Covers
Describes terminal covers for protecting live terminals.
INSULATION ACCESSORIES
Front and Rear Terminal Covers
Details on terminal covers for front and rear connections.
INSULATION ACCESSORIES
Interpole Barriers
Barriers for enhancing electrical insulation between poles.
ACCESSORIES FOR CHANGEOVER SYSTEM
Link Interlock
Describes link interlocks for preventing simultaneous ON state of MCCBs.
ACCESSORIES FOR CHANGEOVER SYSTEM
Wire Interlock
Details wire interlocks for preventing simultaneous ON state of MCCBs.
ACCESSORIES FOR CHANGEOVER SYSTEM
Automatic Transfer Switch and Product Features
Information on ATS and its key features.
ACCESSORIES FOR CHANGEOVER SYSTEM
Technical Data and Communication Ports
Technical data and communication ports for ATS.
ACCESSORIES FOR CHANGEOVER SYSTEM
Power Supply Module for ATS
Details the power supply module for the Automatic Transfer Switch.
AUTOMATIC CHANGEOVER WITH TWO MSX/M250c
System Components and Accessories
Lists MCCBs, ATS, and accessories for changeover systems.
AUTOMATIC CHANGEOVER WITH TWO MSX125
System Components and Accessories
Lists MCCBs, ATS, and accessories for MSX125 changeover.
AUTOMATIC CHANGEOVER WITH TWO MSX/E160-250
System Components and Accessories
Lists MCCBs, ATS, and accessories for MSX/E160-250 changeover.
AUTOMATIC CHANGEOVER WITH TWO MSX/E/M400-630
System Components and Accessories
Lists MCCBs, ATS, and accessories for MSX/E/M400-630 changeover.
AUTOMATIC CHANGEOVER WITH TWO MSX/E/M1000
System Components and Accessories
Lists MCCBs, ATS, and accessories for MSX/E/M1000 changeover.
AUTOMATIC CHANGEOVER WITH TWO MSXE/M1250-1600
System Components and Accessories
Lists MCCBs, ATS, and accessories for MSXE/M1250-1600 changeover.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Connection and Mounting Overview
Overview diagram of connection and mounting options.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Cable Connections with Crimp Lugs
Instructions for connecting cables using crimp lugs.
INSULATION DISTANCES
Insulation Distance Requirements
Diagrams and requirements for insulation distances between components.
INSULATION DISTANCES
Insulation Distance Tables and Power Supply Direction
Tables of insulation distances and power supply direction.
TEMPERATURE RATINGS
Ambient Temperature Effects on Current Ratings
Shows how ambient temperature affects current ratings.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Connection and Mounting Options Overview
Overview diagram of connection and mounting options.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Busbar and Cable Connections
Methods for connecting busbars and terminated cables.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Stranded Cable Entry and Busbar Connections
Details on connecting stranded cables and busbars.
ACCESSORIES AND CONNECTION/MOUNTING OPTIONS
Plug-in Mounting and Safety Lock
System for plug-in mounting and safety lock.
INSULATION DISTANCES
Insulation Distance Requirements
Requirements for insulation distances between MCCB parts.
INSULATION DISTANCE IN MM (AT 690V AC Maximum)
Insulation Distance Table and Notes
Table and notes on insulation distances at 690V AC.
MOUNTING ANGLE
Power Supply Direction
Information on power supply direction for MCCBs.
STANDARD INSTALLATION ENVIRONMENT
Temperature Ratings
Ambient temperature effects on MCCB current ratings.
FRONT TERMINALS
Front Terminals FC and FW Dimensions
Dimensions for front terminals FC and FW.
REAR TERMINALS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
FRONT TERMINALS
Front Terminals FC and FB Dimensions
Dimensions for front terminals FC and FB.
REAR TERMINALS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
FRONT TERMINALS
Front Terminals FC and FW Dimensions
Dimensions for front terminals FC and FW.
REAR TERMINALS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
FRONT TERMINALS WITH MOTOR OPERATOR
Panel Hinge Position
Diagram of panel hinge position for motor operator front terminals.
REAR TERMINALS WITH MOTOR OPERATOR
Panel Cutout and Drilling Plan
Panel cutout and drilling plan for rear terminals with motor operator.
DIMENSIONS
Busbar Termination Diagram
Diagram for busbar termination.
MOUNTING ON A SUPPORT OR RAILS
Drilling Plan and Connecting Part Detail
Drilling plan and detail of connecting parts for rail mounting.
MOUNTING ON THE BACK OF FIXING PLATE
Drilling Plan and Connecting Part Detail
Drilling plan and detail for back plate mounting.
MOUNTING ON THE FRONT OF FIXING PLATE
Drilling Plan and Connecting Part Detail
Drilling plan and detail for front plate mounting.
FRONT TERMINALS FC
Front Extended Terminals FB Dimensions
Dimensions for front extended terminals FB.
REAR TERMINALS RC
Panel Cutout and Drilling Plan
Panel cutout and drilling plan for rear terminals.
FRONT TERMINALS WITH MOTOR OPERATOR
Panel Hinge Position
Diagram of panel hinge position for motor operator front terminals.
REAR TERMINALS WITH MOTOR OPERATOR
Panel Cutout and Drilling Plan
Panel cutout and drilling plan for rear terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on a Support or Rails
Instructions for mounting on support or rails.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Back of Fixing Plate
Details for mounting on the back of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Front of Fixing Plate
Details for mounting on the front of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Extended Terminals FB
Dimensions for front extended terminals FB.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals with Motor Operator, Panel Cutout, and Drilling Plan
Dimensions for rear terminals, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Dimensions and Busbar Termination
Overall dimensions and busbar termination diagram.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on a Support or Rails
Instructions for mounting on support or rails.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Back of Fixing Plate
Details for mounting on the back of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Front of Fixing Plate
Details for mounting on the front of a fixing plate.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals FC and FB Dimensions
Dimensions for front terminals FC and FB.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Extension Bars, Panel Cutout, and Drilling Plan
Dimensions for front terminals with extension bars, panel cutout, and drilling plan.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals with Motor Operator, Panel Cutout, and Drilling Plan
Dimensions for rear terminals, panel cutout, and drilling plan.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Dimensions and Busbar Termination
Overall dimensions and busbar termination diagram.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on a Support or Rails
Instructions for mounting on support or rails.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Back of Fixing Plate
Details for mounting on the back of a fixing plate.
MCCB, ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Front of Fixing Plate
Details for mounting on the front of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Extended Terminals FB and Drilling Plan
Dimensions for front extended terminals FB and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals FC
Dimensions for front terminals FC.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Extension Bars, Panel Cutout, and Drilling Plan
Dimensions for front terminals with extension bars, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Dimensions and Busbar Termination
Overall dimensions and busbar termination diagram.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on a Support or Rails
Instructions for mounting on support or rails.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Back of Fixing Plate
Details for mounting on the back of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Mounting on the Front of Fixing Plate
Details for mounting on the front of a fixing plate.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Extended Terminals FB
Dimensions for front extended terminals FB.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals with Motor Operator, Panel Cutout, and Drilling Plan
Dimensions for rear terminals, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Extended Terminals FB
Dimensions for front extended terminals FB.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals with Motor Operator, Panel Cutout, and Drilling Plan
Dimensions for rear terminals, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Extended Terminals FB
Dimensions for front extended terminals FB.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals RC, Panel Cutout, and Drilling Plan
Dimensions for rear terminals RC, panel cutout, and drilling plan.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Front Terminals with Motor Operator
Dimensions for front terminals with motor operator.
ELECTRONIC MCCB AND SWITCH DISCONNECTORS
Rear Terminals with Motor Operator, Panel Cutout, and Drilling Plan
Dimensions for rear terminals, panel cutout, and drilling plan.
DIRECT ROTARY HANDLES
Applicable Breaker Types and Dimensions
Lists applicable breaker types and shows outline/panel cutout dimensions.
DIRECT ROTARY HANDLES
Applicable MCCB Models
Lists applicable MCCB models for direct rotary handles.
DIRECT ROTARY HANDLES
MSX/E/M 400 - MSXE/M 630 and MSXE/M 1000
Details for MSX/E/M 400, MSXE/M 630, MSXE/M 1000 rotary handles.
DIRECT ROTARY HANDLES
MSXE/M 1250 - MSXE/M 1600
Details for MSXE/M 1250 and MSXE/M 1600 rotary handles.
TRANSMITTED ROTARY HANDLES
MSX/M 160c, MSXM 160c and MSX/M 250c, MSXM 250c
Dimensions for MSX/M 160c/250c and MSXM 160c/250c transmitted handles.
TRANSMITTED ROTARY HANDLES
MSX/D 125 - MSX/D/E 160 - MSX/D/E 250
Details for MSX/D 125-250 transmitted handles.
TRANSMITTED ROTARY HANDLES
MSX/E/M 400 - MSXE/M 630
Details for MSX/E/M 400 and MSXE/M 630 transmitted handles.
TRANSMITTED ROTARY HANDLES
MSXE/M 1000
Details for MSXE/M 1000 transmitted handles.
TRANSMITTED ROTARY HANDLES
MSXE/M 1250 - MSXE/M 1600
Details for MSXE/M 1250 and MSXE/M 1600 transmitted handles.
TERMINAL COVERS
Terminal Covers for Front-Connected Breakers
Dimensions for terminal covers for front-connected breakers.
TERMINAL COVERS
Terminal Covers for Rear-Connected Breakers
Dimensions for terminal covers for rear-connected breakers.
TERMINAL COVERS
Terminal Covers for Front Terminals FC, Extended, and Spread Terminals FB
Dimensions for terminal covers for front terminals FC, FB.
TERMINAL COVERS
Terminal Covers for Front Terminals for Cables FW
Dimensions for terminal covers for front terminals FW.
TERMINAL COVERS
Terminal Covers for Rear Terminals RC and Plug-in MCCBs
Dimensions for terminal covers for rear terminals and plug-in MCCBs.
INTERPOLE BARRIERS
Barrier Dimensions
Dimensions for interpole barriers.
LINK MECHANICAL INTERLOCKS
MSX 125
Details for link mechanical interlocks for MSX 125.
LINK MECHANICAL INTERLOCKS
MSX/M 250c, MSX/E 160, MSX/E 250
Details for link mechanical interlocks for MSX/M 250c, MSX/E 160, MSX/E 250.
LINK MECHANICAL INTERLOCKS WITH MOTOR OPERATOR
MSX/E/M 400 - MSXE/M 630
Details for link mechanical interlocks with motor operator.
LINK MECHANICAL INTERLOCKS WITH DIRECT ROTARY HANDLE
MSX/E/M 400 - MSXE/M 630
Details for link mechanical interlocks with direct rotary handle.
LINK MECHANICAL INTERLOCKS WITH MOTOR OPERATOR
MSXE/M 1000
Details for link mechanical interlocks with motor operator for MSXE/M 1000.
LINK MECHANICAL INTERLOCKS WITH DIRECT ROTARY HANDLE
MSXE/M 1000
Details for link mechanical interlocks with direct rotary handle for MSXE/M 1000.
WIRE MECHANICAL INTERLOCKS
MSX 125
Details for wire mechanical interlocks for MSX 125.
WIRE MECHANICAL INTERLOCKS
MSX/M 250c, MSX/E 160, MSX/E 250
Details for wire mechanical interlocks for MSX/M 250c, MSX/E 160, MSX/E 250.
WIRE MECHANICAL INTERLOCKS WITH MOTOR OPERATOR
MSX/E/M 400 - MSXE/M 630
Details for wire mechanical interlocks with motor operator.
WIRE MECHANICAL INTERLOCKS WITH DIRECT ROTARY HANDLE
MSX/E/M 400 - MSXE/M 630
Details for wire mechanical interlocks with direct rotary handle.
WIRE MECHANICAL INTERLOCKS WITH MOTOR OPERATOR
MSXE/M 1000
Details for wire mechanical interlocks with motor operator for MSXE/M 1000.
WIRE MECHANICAL INTERLOCKS WITH DIRECT ROTARY HANDLE
MSXE/M 1000
Details for wire mechanical interlocks with direct rotary handle for MSXE/M 1000.
WIRE MECHANICAL INTERLOCKS WITH MOTOR OPERATOR
MSXE/M 1250 - MSXE/M 1600
Details for wire mechanical interlocks with motor operator for MSXE/M 1250, MSXE/M 1600.
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