ZM-PT Series voltage Transformer Used for Relay Protection
Structural parameter
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Circuit schematic
The main technical parameters
Model | Rated input voltage (V) | Rated output voltage(V) | No-load current of the rated voltage(m A) | Accuracy class | phase angle error | Overload multiples | Compressive strength (V) |
ZM-PT 120V/1V | 100 | 0.8333 | ≤0.5 | 0.1 | ≤5＇ | 1.3 | 3000 |
ZM-PT 120V/1.768V | 100 | 1.473 | ≤0.5 | 0.1 | ≤5＇ | 1.3 | |
ZM-PT 120V/3.53V | 100 | 2.941 | ≤0.5 | 0.1 | ≤5＇ | 1.3 | |
ZM-PT 120V/3.6V | 100 | 3 | ≤0.5 | 0.1 | ≤5＇ | 1.3 | |
ZM-PT 120V/7.07V | 100 | 5.891 | ≤0.5 | 0.1 | ≤5＇ | 1.3 | |
ZM-PT 150V/3.5V | 100 | 2.333 | ≤0.5 | 0.1 | ≤5＇ | 1.5 | |
ZM-PT 200V/7.07V | 100 | 3.535 | ≤0.5 | 0.1 | ≤5＇ | 2 | |
ZM-PT 264V/3.53V | 220 | 2.941 | ≤0.5 | 0.1 | ≤5＇ | 1.3 |
Note: the table is commonly used models of customers, if customers require different ratios; you only need to provide the technical requirements for the design and production.