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DIRIS A10<br />
Multifunction meters - PMD<br />
modular multifunction meter<br />
Connection<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. This operation can be carried out automatically by<br />
a SOCOMEC PTI, an accessory which is included in this catalogue. Please consult us.<br />
- It is recommended that the earthing point for the DIRIS A10 and the current transformer secondaries are not earthed at the same time.<br />
Low voltage balanced network<br />
3/4 wires with 1 CT<br />
Single-phase<br />
Two-phase<br />
diris_810_a_1_gb_cat<br />
1 1 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 />
N<br />
L1<br />
L2<br />
L3<br />
diris_811_a_1_gb_cat<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_812_a_1_gb_cat<br />
1 1<br />
V1 V2 V3 VN<br />
1. Fuses 0.5 A gG / 0.5 A class CC. 1. Fuses 0.5 A gG / 0.5 A class CC. 1. Fuses 0.5 A gG / 0.5 A class CC.<br />
Low voltage unbalanced network<br />
P1<br />
S1<br />
S1 S2<br />
I1<br />
S2<br />
S1 S2 S1 S2<br />
I2<br />
I3<br />
L1<br />
L2<br />
3/4 wires with 3 CTs<br />
3 wires with 2 CTs<br />
3 wires with 2 CTs<br />
diris_813_a_1_gb_cat<br />
1 1 1<br />
V1 V2 V3VN<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 1 1<br />
diris_814_a_1_gb_cat<br />
V1 V2 V3 VN<br />
P1<br />
S1<br />
S1 S2<br />
I1<br />
S2<br />
I2<br />
P1<br />
S1<br />
S1 S2 S1 S2<br />
I3<br />
L1<br />
L2<br />
L3<br />
S2<br />
diris_815_a_1_gb_cat<br />
1 1 1<br />
V1 V2 V3 VN<br />
P1<br />
S1<br />
S1 S2<br />
I1<br />
P1<br />
S1<br />
S2<br />
S1 S2 S1 S2<br />
I2<br />
I3<br />
L1<br />
L2<br />
L3<br />
1. Fuses 0.5 A gG / 0.5 A class CC.<br />
Use of 2 CTs reduces by 0.5% the accuracy of the<br />
phases, the current of which is worked out by vector<br />
calculation.<br />
1. Fuses 0.5 A gG / 0.5 A class CC.<br />
Use of 2 CTs reduces by 0.5% the accuracy of the<br />
phases, the current of which is worked out by vector<br />
calculation.<br />
1. Fuses 0.5 A gG / 0.5 A class CC.<br />
Additional information<br />
Communication via RS485 link<br />
AC auxiliary power supply<br />
110-277 VAC<br />
LIYCY-CY<br />
1<br />
1<br />
diris_820_a_1_x_cat<br />
0V - +<br />
RS485<br />
diris_821_e_1_x_cat<br />
20 22<br />
AUX<br />
1. Fuses 0.5 A gG / 0.5 A class CC.<br />
76 Catalogue 2017
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