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Approvals & Standards

  • DIN VDE 0100-443/-534
  • IEC 61643-11
  • EN 61643-11

Key features & benefits

STMZ T12 is the series of combined Type 1+2/Class I+II devices
according to EN 61643-11 for use in the pre-counter area installed
directly on 40 mm busbar system with coordination to terminal
equipment (≤ 5m) Typ 1+2+3. Easy end fast fulfillment of VDE
0100-443/ -534. Depending on the product it can be used for TNC or
TT-/TNS systems as well as for applications with or without external
lighting protection systems.

More specifications

Applications

  • Residential building
  • Commercial building
  • Industrial building

Product Specifications

IEC SPD Type

Type 1+2 / Class I+II  

Format

Monobloc  

Degree of Protection (IP)

IP30  

CE Conformity

Yes  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Min Operating Temp.

-40   °C

References in this series  (4)

83120224 - STMZT12-7K255V-3P

AC  

3-Pole  

-

Yes  

0.568   kg

83120225 - STMZT12-12K255V-3P

AC  

3-Pole  

-

Yes  

0.568   kg

83120226 - STMZT12-7K255V-4PG

AC  

4-Pole  

-

Yes  

0.643   kg

83120227 - STMZT12-12K255V-4PG

AC  

4-Pole  

-

Yes  

0.643   kg