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DIRIS A14<br />
Multifunction measuring unit - PMD - MID<br />
multi-measurement<br />
Connection<br />
Low voltage balanced network<br />
Recommendation:<br />
- For IT earthing systems, it is recommended that the CT secondary is not connected to earth.<br />
- When disconnecting the DIRIS, the secondary of each current transformer must be short-circuited.<br />
This operation can be carried out automatically by a SOCOMEC PTI, which can be found in the SOCOMEC catalogue: please consult us.<br />
Low voltage unbalanced network<br />
3/4 wires with 3 CTs<br />
Single-phase<br />
diris_902_b_1_x_cat<br />
1 1 1<br />
V1 V2 V3 N<br />
P1<br />
S1<br />
S2<br />
P1<br />
S1<br />
S1 S2 S1 S2 S1 S2<br />
I1 I2 I3<br />
N<br />
L1<br />
L2<br />
L3<br />
S2<br />
1<br />
V1 V2 V3 VN<br />
P1<br />
S1<br />
S1 S2<br />
I1<br />
S2<br />
S1 S2 S1 S2<br />
I2<br />
I3<br />
L1<br />
N<br />
diris_916_a_1_x_cat<br />
1. 0.5 A gG / 0.5 A class CC fuses.<br />
1. 0.5 A gG / 0.5 A class CC fuses.<br />
3 wires with 2 CTs<br />
P1<br />
S1<br />
S2<br />
P1<br />
S1<br />
L1<br />
L2<br />
L3<br />
S2<br />
3 wires with 2 CTs<br />
P1<br />
S1<br />
P1<br />
S1<br />
S2<br />
L1<br />
L2<br />
L3<br />
diris_917_a_1_x_cat<br />
1 1 1<br />
V1 V2 V3 VN<br />
1. 0.5 A gG / 0.5 A class CC fuses.<br />
S1 S2<br />
I1<br />
S1 S2 S1 S2<br />
I2<br />
I3<br />
1 1 1<br />
V1 V2 V3 VN<br />
1. 0.5 A gG / 0.5 A class CC fuses.<br />
S1 S2<br />
I1<br />
S1 S2 S1 S2<br />
I2<br />
I3<br />
diris_918_a_1_x_cat<br />
Additional information<br />
Communication via RS485 link<br />
LIYCY-CY<br />
diris_903_a_1_x_cat<br />
NC - +<br />
RS485<br />
80 Catalogue 2017
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