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Item number: WSK
Wound-Primary Current Transformers for Indirect Measurement of Sinusoidal AC up to 100 A
As opposed to bushing-type current transformers, wound-primary current transformers have 4 screw terminals. Primary and secondary current are both connected by means of terminals. Wound-primary current transformers are suitable for low amperage current for which bushing-type current transformers cannot be used.
Thermal continuous current rating Icth: 100% IN
Thermal short-time current rating Ith: 60 x IN, 1 Sek.
Max. operating voltage Um: 0,72 kV
Insulation test voltage: 3 kV Ueff, 50 Hz, 1 Min.
Nominal frequency: fN: 50 Hz
Insulation class: E (120°C)
| Designation | Primary current(A) | VA | Ordernumber (Sec. 5 A) | Ordernumber (Sec. 1 A) | Dimensions (B x H x T) |
|---|---|---|---|---|---|
| WSK 30 | 1 | 5 | 1719V0010 | 1719V1010 | 61 x 75,5 x 35 mm |
| WSK 30 | 2,5 | 5 | 1719V0020 | 1719V1020 | 61 x 75,5 x 35 mm |
| WSK 30 | 5 | 5 | 1719V0030 | 1719V1030 | 61 x 75,5 x 35 mm |
| WSK 30 | 10 | 5 | 1719V0040 | 1719V1040 | 61 x 75,5 x 35 mm |
| WSK 30 | 15 | 5 | 1719V0050 | 1719V1050 | 61 x 75,5 x 35 mm |
| WSK 30 | 20 | 5 | 1719V0060 | 1719V1060 | 61 x 75,5 x 35 mm |
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| WSK 40 | 1 | 10 | 1720V0010 | 1720V1010 | 71 x 85,5 x 45 mm |
| WSK 40 | 2,5 | 10 | 1720V0020 | 1720V1020 | 71 x 85,5 x 45 mm |
| WSK 40 | 5 | 10 | 1720V0030 | 1720V1030 | 71 x 85,5 x 45 mm |
| WSK 40 | 10 | 10 | 1720V0040 | 1720V1040 | 71 x 85,5 x 45 mm |
| WSK 40 | 15 | 10 | 1720V0050 | 1720V1050 | 71 x 85,5 x 45 mm |
| WSK 40 | 20 | 10 | 1720V0060 | 1720V1060 | 71 x 85,5 x 45 mm |
| WSK 40 | 25 | 10 | 1720V0070 | 1720V1070 | 71 x 85,5 x 45 mm |
| WSK 40 | 30 | 10 | 1720V0080 | 1720V1080 | 71 x 85,5 x 45 mm |
| WSK 40 | 40 | 10 | 1720V0090 | 1720V1090 | 71 x 107 x 55 mm |
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| WSK 70.6 | 30 | 10 | 1721V0080 | 1721V1080 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 40 | 10 | 1721V0090 | 1721V0090 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 50 | 10 | 1721V0100 | 1721V1100 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 60 | 10 | 1721V0110 | 1721V1110 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 75 | 10 | 1721V0120 | 1721V1120 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 80 | 10 | 1721V0130 | 1721V1130 | 61 x 85,5 x 136 mm |
| WSK 70.6 | 100 | 10 | 1721V0140 | 1721V1140 | 61 x 85,5 x 136 mm |
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