3EJ2024-0CE31-4
SURGE ARRESTER 3EJ2

From SIEMENS

3EJ2 surge arresters for medium-voltage networks for outdoor use Applied standard: IEC60099-4 UR=24KV, UC=19.2KV NOMINAL DISCHARGE CURRENT 10 KA URES (10kA, 8/20) = 56.4KV CHARGE TRANSFER RATING 2.0C RATED THERMAL ENERGY 7.0KJ/KV RATED SHORT CIRCUIT CURRENT 50KA CREEPAGE DISTANCE 920 MM HEIGHT 301 MM CARDBOARD PACKAGING
Electrical data
StandardIEC 60099-4
Designation / of arrester classSM
Discharge current / according to IEC 60099-4 / rated value10.0 kA
Discharge capacity of electrical charge2.0 C
Voltage / rated value24.0 kV
Arrester continuous voltage19.2 kV
High current impulse / of arrester100.0 kA
Discharge short-circuit current / nominal value50.0 kA
Line frequency / rated value / minimum48.0 Hz
Line frequency / rated value / maximum62.0 Hz
Residual voltage
at 1 kA / at (8/20) µs46.2 kV
at 3 kA / at (8/20) µs50.8 kV
at 5 kA / at (8/20) µs53.0 kV
at 10 kA / at (8/20) µs56.4 kV
at 20 kA / at (8/20) µs62.6 kV
at 125 A / at (30/60) µs42.9 kV
at 250 A / at (30/60) µs44.0 kV
at 500 A / at (30/60) µs45.1 kV
at 1 kA / at (30/60) µs46.2 kV
at 2 kA / at (30/60) µs48.5 kV
TOV withstand
limited to 1 s25.8 kV
limited to 10 s24.0 kV
Rest lightning impulse voltage / of enclosure / at (1,2/50) µs175.0 kV
Power frequency impulse withstand voltage / of enclosure, rainy / limited to 1 min80.0 kV
Mechanical data
Height301.0 mm
Creepage distance / of arrester920.0 mm
Flashover distance / of arrester306.0 mm
Net weight6.4 kg
Color / of the insulating bodygrey
Shape of shed profile / of insulating bodyAlternating
Specified long-term load (SLL)2 320.0 N
Specified short-term load (SSL)3 320.0 N
Accessories
Type of electrical connection / for high voltageThread M16 and 2x M12
Type of installationThread M16 and 2x M12
Pack typeSingle
General data
Ambient temperature / minimum-40.0 °C
Ambient temperature / maximum40.0 °C
Installation altitude1 000.0 m
AL CodeN
ECCN codeN

External links