Approvals & Standards
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 specificationsApplications
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