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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

  • Building
  • Photovoltaic and BESS
  • E-Mobility - EV Charging
  • Industry
  • Telecom
  • Water treatment

Product Specifications

Item Number

83120226  

Catalog number

STMZT12-7K255V-4PG  

Description

Surge Protection Device Type 1+2, 7.5kA Iimp (10/350), 3Ph+N, 230/400V, 3+1 TT, 4 Poles, Monobloc, 3 Modules  

EAN/UPC code

8435297876786  

ROHS Compliant

Yes  

IEC SPD Type

Class I+II  

Format

Monobloc  

Nominal Operating Volt Rating (Un)

230/400  

AC or DC

AC  

System Type

L-N / N-PE  

System Configuration

TT, TNS  

Following Current (Ifi)

25 (L-N); 0,1 (N-PE)   kA

Indication System

Yes  

Indication System Type

Green (OK) / Not green (replace)  

Housing Material

Thermoplastic  

Installation Mounting

Bus bar system 40 mm  

Up at In (N-PE)

≤1,5   kV

Up at In (L-N)

≤1,5   kV

Product Weight

0.65   kg

Product Width

53   mm

Product Length

88   mm

Product Height

206   mm

Sell Pack Quantity

5   EA

Sell Pack Weight

0.742   kg

Sell Pack Width

240   mm

Sell Pack Length

260   mm

Sell Pack Height

220   mm