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Surge protector KSD

KSD-T1+T2 275/180 3P

Product code: 23921 logo ITS

Varistor surge arrester, class 1+2 (T1+T2/B+C): used to protect LV power installations against effects of surges occurring during lightning strikes and induced or switching surges / designed for installations in TN/TT grids. Compliance with standards: EN61643-1, EN61643-11. KSD-T1+T2 surge arresters (SPD) are made in accordance with EN61643-1, EN61643-11. These type 1+2 surge arresters are designed to protect low voltage installations against partial, direct and indirect atmospheric discharges. Arresters provide protection in the 0A-1 zone in accordance with EN62305 standard.


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Specification

General description
Warranty [years] 5
EAN13 5905339239211
Weight and dimensions
Height [mm] 91
Width [mm] 52.5
Weight 420g
Sales unit piece
Outer box 4
Technical data
Rated voltage [V] 230 AC
Rated frequency [Hz] 50
Number of modules 3
The highest voltage of continuous operation U(c) 275V
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The highest discharge power Imax 60kA
Voltage protection level U(p) ≤1,5kV
Residual current l(pe) 30µA
Impulse-current Iimp [kA] 12
Transitory current-strength increase [kA] 30
Expected short-circuit current Ifi [A] r.m.s. 100
IP class 20
Protection type T1+T2 (B+C)
Ambient temperature range to which the product can be exposed -40÷70
Relative humidity range 5÷95
Rated discharge current In [kA] 30
Connection type Terminal block
Norm PN-EN61643-1

Materials

Handling and installation
Catalogues, folders and leaflets

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