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| PRD draw-out Surge Arresters |
Common technical data for PRDs
. frequency: 50 ... 60 Hz
. operation indication by means of a mechanical indicator:
white: normal operation
white/red: cartridge replacement to be scheduled in the near future
red: cartridge must be immediately replaced
. disconnection of the short circuited surge to be conducted with a circut breaker
. permissible internal short-circuit current for PRD 8 and PRD 15:
1P + N, 3P and 3P+N: 10kA, 1 P (230 V) : 10kA and 1 P (400 V): 3 kA
. permissible internal short-circuit current for PRD 40 and PRD 65:
1 P+N,3P and 3P+N: 25kA, 1P(230V): 10kA and 1 P(400V):3kA
. downsteam and upstream terminal connection:
2.5 to 16mm2 flexible cable, 2.5 to 25 mm2 rigid cable and > 10mm2flexible and rigid cable if installation with lightning conductor .
. operating temparature : -25°C, + 60°C
. storage temparature : -40 C,+ 70 C
. protection class: 1P20 at terminals and 1P40 on front panel
. weight (g) : 1P:90, 1P+N:180, 3P: 395 and 3P+N: 460
. standards : IEC 61643-11 class 2 test and NF C 61740/95 |
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BAJAJ