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- Approvals and Standards
IEC 61643-11
EN 61643-11
Key Features and Benefits
STP T12 12.5 is the series of combined Type 1+2/Class I+II devices for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system.
Lightning impulse current (10/350μs): 12.5kA per phase
Maximum discharge current (8/20μs): 50kA per phase
Nominal discharge current (8/20μs): 20kA per phase
TNS, TNC, TT and IT networks
Un(L-N/L-L): 60V, 120/208V, 230/400V, 277/480V and 400/690V
DIN-rail mountable, plug-in format
Visual and remote end of life indicators
Reversible chassis to allow cable entry from above or below
Mechanically coded cartridges to avoid cartridge replacement errors
Back-up fuse: 200 A gG
Applications
Industry and automation
Commercial and residential installations
Telecom & IT & Data Centers
Water treatment
Smart grid & LV Metering
Photovoltaic & wind - Other Products In This Range
Product SpecificationItem Number
83120138
Catalogue No.
STPT12-12K275V-4PG
Item Description (ERP)
STPT12-12K275V-4PG
Short Description
SPD Type 1+2, 12.5kA, Uc275V, 3+1 TT, 4 Poles, 4 Modules, Pluggable
EAN/UPC Code
8435297851523
ROHS Compliant
Yes
IEC SPD Type
Type 1+2 / Class I+II
Nominal Operating Volt Rating (Un)
230 / 400 V
AC or DC
AC
Nominal Discharge Current (In) (8/20)
20kA
Max Discharge Current : Imax (8/20)
50kA
System Configuration
TT. TNS
Lightning Impulse Current (10/350) (LIMP)
12,5 kA
Following Current (Ifi)
0,1 kA
Short Circuit Withstand (ISCCR)
25 kA
Indication System
Yes
Indication System Type
Visual Indicator
Number of Poles
4-Pole
Torque Rating
35.4 lb-in
Max. Back-Up Fuse
200 A gG
Housing Material
PA66 CT1; V-0
Uc (L-N)
275 V
Uc (N-PE)
255 V
Up at In (N-PE)
≤1.5 kV
Up at In (L-N)
≤1.3 kV
Replacement Plug N-PE
SP12-50K-N
Replacement Plug L-N
SP12-12K275V
- Model: 83120138