100A 11KV 33KV Split Core Ct Current Transformer
LZCK series split core current transformer is suitable forcurrent measurement and microcomputer protection of electrical equipment in 10KV and 35KV AC power system.It is widely used in compact fully insulated ring network switchgears such as ABB-Safe Ring/Safe Plus...and cable distribution boxes.The transformer can be directly installed at the inlet andoutlet cables.The slice is imported silicon material. Thesemicircular ring core and secondary windings arevacuum poured by insulated resin.
Parameters
Technical data
Selection guide
LZCK series split core current transformer is suitable forcurrent measurement and microcomputer protection of electrical equipment in 10KV and 35KV AC power system.It is widely used in compact fully insulated ring network switchgears such as ABB-Safe Ring/Safe Plus...and cable distribution boxes.The transformer can be directly installed at the inlet andoutlet cables.The slice is imported silicon material. Thesemicircular ring core and secondary windings arevacuum poured by insulated resin.
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. |
| Type | LZCK322-10 | LZCK322-10 | ||||
|---|---|---|---|---|---|---|
| Purpose | Measuring current transformer | Protection current transformer | ||||
| Ratio | Accuracy class and rated load(VA) | Accuracy class and rated load(VA) | ||||
| I1/I2 | 0.5 | 1 | 3 | 10P15 | 10P10 | 10P5 |
| 30/1 | 1 | 1.5 | ||||
| 50/1 | 1 | 2 | 1.25 | |||
| 75/1 | 1.5 | 2.5 | 1 | 2 | ||
| 100/1 | 2 | 2.5 | 3 | 1.5 | 2.5 | |
| 200/1 | 2.5 | 1.25 | 2.5 | |||
| 300/1 | 3.75 | 1.25 | 2.5 | |||
| 400/1 | 7.5 | 1.25 | 2.5 | |||
| 500/1 | 10 | 1.25 | 3 | |||
| 600/1 | 10 | 1.5 | 3 | |||
| 50/5 | 2.5 | |||||
| 75/5 | 2.5 | |||||
| 100/5 | 2.5 | |||||
| 200/5 | 3.75 | |||||
| 300/5 | 5 | |||||
| 400/5 | 7.5 | 2.5 | ||||
| 500/5 | 7.5 | 2.5 | ||||
| 600/5 | 10 | 3.75 |
| Model | Primary rated current | Rated load | Aperture (mm) | Description (mm) | Weight (kg) | Material | Water-proof |
|---|---|---|---|---|---|---|---|
| LZCK-55 | 100-1500A | ≤10VA | φ55 | 180×138×52 | 2 | PC | IP65 |
| LMCK185-10 | 300-3000A | ≤25VA | φ185 | 350×283×55 | 4.5 | PC | IP65 |
| LZCK310-10 | 300-600A | ≤10VA | φ50 | φ50 x φ110 x 32 | 1 | Resin | silicon case (option) |
| LZCK322-10 | 30-600A | ≤10VA | φ50 | φ50 x φ110 x 52 | 1.6 | Resin | silicon case (option) |
| LZCK350-10 | 20-600A | ≤25VA | φ50 | φ50 x φ110 x 105 | 3.1 | Resin | silicon case (option) |
| LZCG530-10 | 30-600A | ≤20VA | φ45 | φ45 x φ120 x 65 | 2.1 | Resin | silicon case (option) |