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Item number: 1721Vxxxx
Wound-Primary Current Transformers for Indirect Measurement of Sinusoidal AC
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 sec.
Max. operating voltage Um: 0.72 kV
Insulation test voltage: 3 kV Urms, 50 Hz, 1 min.
Nominal frequency fN: 50 Hz
Insulation class: E (120°C)
Dimensions (W x H x D): 61 x 85.5 x 136 mm
Primary Current (A) / VA / 5 A Sec. / 1 A Sec. (Class 1)
30 / 10 / 1721V0080 / 1721V1080
40 / 10 / 1721V0090 / 1721V1090
50 / 10 / 1721V0100 / 1721V1100
60 / 10 / 1721V0110 / 1721V1110
75 / 10 / 1721V0120 / 1721V1120
80 / 10 / 1721V0130 / 1721V1130
100 / 10 / 1721V0140 / 1721V1140
Do you have any questions on the product or do you need technical information or details on the current delivery period? Our sales backoffice will be pleased to assist you.
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