Masterpact MTZ1 Device Identification

The Masterpact MTZ1 device can be identified in the following ways:

  • Rating plate on device

  • QR code on the Micrologic X control unit

  • Identification labels on the device and on the cradle

  1. Product identification label

  2. Product checked label

  3. Faceplate plate

  4. QR code

  5. Accessory voltages label

Masterpact MTZ1 Product Identification Label





Product code

The product code is a line of code representing the complete configuration of a Masterpact circuit breaker or switch-disconnector. The product code:

  • Is automatically generated for each Masterpact device after completing the configuration by using the MyPact configuration tool.

  • Appears on the invoice and on the delivery documents as well as on the Masterpact device and packaging labels.

  • Can be entered in the MyPact configuration tool, which generates the complete configuration of the Masterpact device.


Schneider Electric internal identification numbers


Description of device

The following characteristics are specified:

  • Range

  • Rating

  • Performance level

  • Number of poles

  • Control unit type


Device serial number

Masterpact MTZ1 Product Checked Label





Device serial number


Device test date code

The device test date code is coded PPYYWWD HH:MM, where:

  • PP: plant code

  • YY: year of test

  • WW: week of test

  • D: day of the week of test (Monday = 1)

  • HH:MM: the time of test in hours and minutes.

Masterpact MTZ1 Faceplate Label

The faceplate with the device information is located on the front cover of the device.

Circuit Breaker Faceplate

Switch Faceplate

  1. Device size and rated current x 100 A

  2. Device type symbol

  3. Type of device: circuit breaker or switch

  4. Frame size

  5. Frequency

  6. Standard

  7. Interrupting ratings

  8. Temperature rating

  9. Performance level

  10. Place for IP address sticker

Masterpact MTZ1 QR Code

When the QR code on the front face of a Micrologic X control unit is scanned with a smartphone running a QR code reader and connected to the internet, the Go2SE landing page is displayed (see Go2SE Landing Page Description). The landing page displays some information about the device and a list of menus.

Masterpact MTZ1 Side Label

The accessory side label gives the accessories which have been installed in the device, and the voltages of the installed accessories which need to be connected to a power supply.

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

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