This model voltage transformer is semi-casting type, with small size and good climate adaptability. The iron-core of the
transformer applies core type side-iron structure, and made of high-quality silicon steel plate by cold rolling and exposing in the air, the primary winding, secondary winding and residual voltage winding wound onto theiron-core concentrically and cast with epoxy resin, the three phases cast and fixed together, the primary winding and terminal A is fully insulated and terminal N is not fully insulated. The wiring please refers to Diagram 1.
It has two types: type A and type B according to insulation, type A is installed on the side and the insulation hole is on theiron- core clamp, type B has a base for installation.
1. Standard: GB1207-2006 voltage transformer
2. Technical parameter form
3. The creepage of product surface comply with Grade II of pollution.
4. Other technical parameter please refers to table below:
| Type | Rated voltage ratio (V) | Accuracy class combination |
Rated output (VA) | Ultimate output (VA) |
Voltage withstand test (KV) | |||||
| 0.2 | 0.5 | 1 | 3 | 6 | Inductive voltage withstand of primary winding |
Voltage withstand of power Frequency of secondary winding |
||||
| JSZW3-3 | 3000/√3/100/√3/100/3 | 90 | 150 | 300 | 75 | 600 | 18 | 2 | ||
| JSZW3-6 | 6000/√3/100/√3/100/3 | 1/6P | 150 | 240 | 600 | 100 | 1000 | 23 | 2 | |
| JSZW3-10 | 10000/√3/100/√3/100/3 | 3/6P | 150 | 240 | 600 | 100 | 1000 | 32 | 2 | |
JSZW-3,6,10KV
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