Schneider Electric MTZ2 MasterPacT Circuit Breakers Instruction Manual
- June 13, 2024
- Schneider Electric
Table of Contents
Schneider Electric MTZ2 MasterPacT Circuit Breakers
Product Information
Product Name: MasterPacTTM MTZ2/MTZ3/NW
Manufacturer: Schneider Electric Website: www.schneider-
electric.com
Product Usage Instructions
Safety Precautions:
- This product should be operated, serviced, and maintained only by qualified personnel.
- All safety regulations must be observed when installing and using this product.
- Personal protective equipment (PPE) should be worn, and safe electrical work practices should be followed.
- Refer to NFPA 70E, CSA Z462, NOM 029-STPS, or local equivalent for more information on safe electrical work practices.
Installation:
- Before working on or inside the equipment, make sure to de-energize and lock out the power supply.
- Use a voltage-sensing device to confirm that the power is off.
- Inspect the work area for any tools or objects that may have been left inside the equipment.
Maintenance:
- Regular maintenance and servicing of the equipment should be performed by qualified electrical personnel.
Additional Resources:
- For detailed user guides (UG) or instruction sheets (IS), visit the Schneider Electric website at www.schneiderelectric.com.
- Download the necessary documents from the website for future reference. Please note that failure to follow these instructions may result in death or serious injury. It is essential to comply with all applicable safety regulations and rely on qualified personnel for the use and maintenance of this product. Schneider Electric shall not be held responsible for any consequences arising from the use of this material.
Push-in and Ring Terminal Connectors
www.schneider-electric.us
www.schneider-electric.com >support >…
/chneider Electric Customer Support
Retain instructions for future use.
Visit our website at www.schneider-electric.com to download the documents listed above (user guides or
instruction sheets and other documents.
PLEASE NOTE
- Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel.
- No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.
- All pertinent state, regional, and local safety regulations must be observed when installing and using this product.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
- Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, CSA Z462, NOM 029-STPS or local equivalent.
- This equipment must only be installed and serviced by qualified electrical personnel.
- Turn off all power supplying this equipment before working on or inside equipment.
- Always use a properly rated voltage sensing device to confirm power is off.
- Replace all devices, doors, and covers before turning on power to this equipment.
- Beware of potential hazards, and carefully inspect the work area for tools and objects that may have been left inside the equipment.
Failure to follow these instructions will result in death or serious injury.
Required for Installation
Before Working on Equipment
- Disconnect the circuit breaker as directed in the instruction bulletin shipped with the circuit breaker.
- Turn off all power supplying this equipment before working on or inside equipment.
- Use a properly rated voltage sensing device to confirm power is off.
- Verify that the circuit breaker is open and the closing spring is discharged.
Terminal Layout
MasterPacT NW: Terminal Layout for Push-In Connectors MasterPacT NW: Terminal Layout for Ring Terminals
MasterPacT MTZ2 / MTZ3: Terminal Layout for Push-In Connectors
MasterPacT MTZ2 / MTZ3 : Terminal Layout for Ring Terminals
Installation
Auxiliary Terminal Shields Removal
Push-In Connector Installation and Wiring
Ring Terminal Installation and Wiring
Wiring Terminal Cover Installation
Removal
Push-In Connector Removal
- Remove in reverse order of installation. ****
Ring Terminal Removal
- Remove in reverse order of installation.
Schneider Electric USA, Inc.
800 Federal Street
Andover, MA 01810 USA
888-778-2733
www.schneider-electric.us
www.schneider-electric.us
48049-161-01
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