ABB RD3 Handbuch Seite 13

Description
The RD3 device is part of ABB's RD3 family of residual current relays and
provides residual current monitoring and protection in compliance with
annex M to the CEI EN 60947-2 standard* and can be used in combination
with all MCBs S200 and moulded-case devices in the Tmax range up to
T5 for industrial plants.
The two output contacts of the RD3 range of residual current relays can
be used for signalling.
*Up to 630A
BB_76x88mm_Rd3_rev4.indd 13
ON
l n [A]
1
0,5
0,3
0,1
0,03
TEST RESET
t [s]
2 0,5
3 0,3
5 0,2
10 0,06
30 0
13
FAULT
1
2
3
5
10
RD3
IEC60947-2/M
19/09/11 11:00