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| ST Surge Arresters |
Common technical data
. frequency: 50... 60 Hz
. Uc : 275 V
. operation indication by means of a mechanical indicator:
white: normal operation and red: surge arrester must be immediately replaced
. disconnection of the short-circuited surge arrester to be conducted with a circuitbreaker
. permissible internal short-circuit current for STD : 10 kA
. permissible internal short-circuit current for STM and STH:
1P+N, 3P and 3P+N: 25kA and 1P : 10kA
. upstream and downstream terminal connection:
flexible cable: 2.5 to 16mm2, rigit cable: 2.5 to 25 mm2 and flexible or rigid cable 2: 10 mm2 if installation with lighting conductor.
. operating temperature: - 25°C, + 60°C
. storage temperature: - 40°C, + 70°C
. protection class: 1P20 at terminals and 1P40 on front panel
. weight (g): 1P:60, 1P+N : 106, 3P : 220 and 3P + N : 250
Standard: IEC61643-11 class2 test |
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BAJAJ 