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Mersen 83020146 STPT2-40K275V-4PG Three Phase Type 2 Surge Arrester

Mersen 83020146 STPT2-40K275V-4PG Three Phase Type 2 Surge Arrester
Mersen 83020146 STPT2-40K275V-4PG Three Phase Type 2 Surge Arrester

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

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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

£199.54
  • Model: 83020146
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