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JDZJ Voltage Transformer
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JDZJ Voltage Transformer
1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
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Product Details
JDZ3-3,6,10(Q) type single-phase double coil voltage transformer of epoxy casting insulation for indoor device use, is used for
measurement of voltage and electric energy, relay protection in the AC circuit of rated frequency 50Hz as well as other control
device power. (refer to figure 1 wiring diagram)
JDZ(J)-3,6,10(Q) type single-phase double coil voltage transformer of epoxy casting insulation for indoor device use, is used for
measurement of voltage and electric energy, relay protection in neutral non-direct earthing system of rated frequency 50Hz as
well as for other control device power(refer to figure 2 wiring diagram)
Standard:IEC 61869-3
Selection
Technical data
| Type | Short circuit current(A) | |
| IS1 | IS2 | |
| JDZ-3 | 3.125 | 93.75 |
| JDZ-6 | 1.52 | 91.49 |
| JDZ-6(0.2 class) | 1.81 | 108.54 |
| Type | Short circuit current(A) | |
| IS1 | IS2 | |
| JDZ-10 | 1.3 | 130 |
| JDZ-10(0.2 class) | 1.32 | 132 |
| JDZJ-3 | 2.15 | 64.78 |
| Type | Short circuit current(A) | |
| IS1 | IS2 | |
| JDZJ-6 | 1.32 | 79.3 |
| JDZJ-6 | 0.97 | 97 |
| JDZJ-10(0.2 class) | 0.97 | 97 |
Overall and mounting dimensions(mm)
JDZ-3,6,10(Q)
| Type | H1 (mm) | H2 (mm) | L (mm) | A1 (mm) | A2 (mm) | B1 (mm) | B2 (mm) |
| JDZ-10(Q) | 180 | 250 | 305 | 170 | 236 | 90 | 207 |
| JDZ-3,6(Q) | 160 | 215 | 275 | 170 | 220 | 90 | 190 |
JDZJ-3,6,10(Q)
| Type | H1 (mm) | H2 (mm) | L (mm) | B1 (mm) | B2 (mm) | A1 (mm) | A2 (mm) |
| JDZJ-10(Q) | 180 | 250 | 305 | 90 | 207 | 170 | 238 |
| JDZJ-3,6(Q) | 160 | 215 | 275 | 90 | 190 | 170 | 220 |
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