LSY type three-phase integrated current transformer is suitable for installation on the three-phase bushing of the ring network switchgear and the switch on the main column. It is used for the measurement and protection of three-phase current and zero-sequence current, and can also be used for multiple cable circuits Measurement and protection of zero sequence current.
overview
LSY type three-phase integrated current transformer is suitable for installation on the three-phase bushing of the ring network switchgear and the switch on the main column. It is used for the measurement and protection of three-phase current and zero-sequence current, and can also be used for multiple cable circuits Measurement and protection of zero sequence current.
The iron core and secondary winding of this series of zero-sequence current transformers are vacuum-cast with high-quality epoxy resin in a flame-retardant plastic shell, which is moisture-proof, stable in performance, and maintenance-free.
Rated frequency: 50Hz or 60Hz
Rated secondary current: 5A or 1A
Rated short-time thermal current: 40kA, 1s
Applicable conditions:
Ambient temperature: -25°C-+40°C
Average temperature of day: ≤40ºC
Altitude: ≤3000m
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