High voltage 33KV Split Core CT current transformer
siemens current transformer
LZCK series instrument current transformers applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV, and microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, have the characteristics of Small magnetic circuit loss and can be cut, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case which is flame retardance anti-moisture, stable performance, no maintenance.
Working conditions:
Ambient temperature:-35°C~+55°C,not exceeding +40°C.
The Height of above sea level:0~ 3000m .
Atmosphere conditions: No highly polluted,errosion,erosiveness,radioactivity gases.
(continuous working under the rated current is allowed)
(P2 represents for primary polar end,S1,S2 represent for secondary polar end
P2 and S2 are subtractive polarity.
Parameters
| Technical parameters | |
|---|---|
| Standards | IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006 |
| Rated primary current | 30-600A |
| Rated load | ≤10VA |
| Rated frequency | 50Hz or 60Hz |
| Rated secondary current | 5A or 1A |
| Rated short-time thermal current | 40kA, 1S |
| Rated continuous thermal current | 120%I1n |
| Secondary winding power-frequency voltage | 3kV, 1min |
| Instrument security factor | FS≤10 |
| Mechanical parameters | |
| Dimensions (W×D×H) (mm) | φ50xφ110x52 |
| Weight (kg) | 1.6 |
| Operating conditions | |
| Operating temperature | -35°C to +55°C |
| Daily average temp | <+40°C |
| Altitude | <3500 meters |
| Condition | No existence of severely begrimed, erosive and radioactive gas in the air. Permission of long-term operation under rated current. |
Item Name | Range of primary rated current | Range of Rated load | (mm)(Description) | (Weight)(kg) |
LZCK110-10 | 300-600A | ≤5VA | φ64×φ104×32 | 0.6 |
LZCK310-10 | 300-600A | ≤5VA | φ50×φ110×32 | 0.6 |
LZCK322-10 | 30-600A | ≤10VA | φ50×φ110×52 | 1.6 |
LZCK350-10 | 30-600A | ≤25VA | φ50×φ110×105 | 3.1 |
LZCK020-10 | 300-600A | ≤5VA | φ55×φ86×50 | 0.5 |
LZCK830-35 | 50-600A | ≤10VA | φ66×φ130×70 | 2.0 |
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