![Mersen 83020146 STPT2-40K275V-4PG Three Phase Type 2 Surge Arrester Mersen 83020146 STPT2-40K275V-4PG Three Phase Type 2 Surge Arrester](https://etrade-electrical.co.uk/image/cache/catalog/Products/Surge%20Protection/Device/83020146-500x500.jpg)
Approvals and Standards
IEC 61643-11
EN 61643-11
UL 1449 4th Ed.
Key Features and Benefits
STP T2 40 is the series of Type 2/Class II devices for discharging voltage surges, in accordance with EN/IEC 61643-11 and certified UL 1449 4th Ed. Suitable for the second stage of protection in supply distribution panels in which Type 1 protection devices are installed upstream, or for the first stage of protection in commercial or other applications not exposed to direct strikes and with no external lightning protection system.
Maximum discharge current (8/20μs): 40kA per phase
Nominal discharge current (8/20μs): 20kA per phase
TNS, TNC, TT and IT networks
Un(L-N/L-L): 48V, 60V, 120/208V, 230/400V, 277/480V, 400/690V & higher
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: 125 A gG
File UL: E468946
Applications
Industry and automation
Commercial and residential installations
Telecom & IT & Data Centers
LED outdoor lighting
Water treatment
Smart grid & LV Metering
Photovoltaic & wind
Other Products In This Range
Product Specifications
Item Number
83020146
Catalogue No.
STPT2-40K275V-4PG
Item Description (ERP)
STPT2-40K275V-4PG
Short Description
SPD Type 2, 40kA, Uc275V, 3+1 TT, 4 Poles, 4 Modules, Pluggable
EAN/UPC Code
8435297850823
ROHS Compliant
Yes
IEC SPD Type
Type 2 / Class 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)
40kA
System Configuration
TT. TNS
Following Current (Ifi)
0,1 kA
Short Circuit Current Rating (SCCR)
50 ... 100 kA
Short Circuit Withstand (ISCCR)
25 kA
Indication System
Yes
Indication System Type
Visual Indicator
Number of Poles
4-Pole
Torque Rating
4 N m
Max. Back-Up Fuse
125 A gG
Housing Material
PA66 CT1; V-0
MOV Response Time
25 ns
Uc (L-N)
275 V
Uc (N-PE)
277 V
Up at In (N-PE)
≤1.5 kV
Up at In (L-N)
≤1.3 kV
MCOV L-G
275 V
MCOV L-L
550 V
- Model: 83020146