LEGRAND IME RDBMRCD24 Mode D'emploi page 10

Type "B" MRCD differential relay
5. COMMISSIONNING - CONNECTION
(The setup range of IΔn on the toroid must be consistent with the release threshold programmed in MRCD)
Positive safety
Normally closed contact with powered instrument
N.C. automatic opening in case of lack of supply voltage
(Us when separated from the line to be protected)
18 17 19
Negative safety (from 20W34)
Normally open contact
N.O. no automatic opening in case of lack of supply voltage
18 17 19
Technical data sheet: IDP000262EN_06
Code: RDBMRCD24 – RDBMRCD230
Model: Delta
N 1
X X
TDB...
(Us)
N 1 2
X X X
TDB...
Updated: 02/09/2020
US
2 3
X X
L
ST
US
3
X
L
ST
Created: 06/09/2019
~/+ ~/-
A2
T/R A1
1
ON AL1 AL2
DELTA D2-b
000
IEC60947-2 MRCD
T R
MENU
61 62 60
T/R 18 17 19
~/+ ~/-
T/R A1 A2
1
ON AL1 AL2
DELTA D2-b
000
IEC60947-2 MRCD
T R MENU
61 62 60
T/R 18 17 19
2 | 8