ABB RD3M - Description

2
3
5
10
30
1
2
3
5
10
1
0,5
0,3
0,1
0,03
0,5
0,3
0,2
0,06
0
FAULTON
Pre Alarm
l n [A] t [s]
ONOFF
Pre Alarm
TEST RESET
IEC60947-2/M
RD3M
12
11
7
8
9
10
6
5
Description
The RD3M 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 LED and the two output contacts of the RD3M range of residual
current relays can be used for signalling.
*Up to 630A
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ABB_76x88mm_RD3M_rev4.indd 14 19/09/11 11:02