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LQZJ1(4,5)-0.66 Type Current Transformer
LQZJ1(4,5)-0.66 Type Voltage Transformer (PT for short hereinafter) is suit able for power metering,voltage monitoring and relay protection in power system with rated frequency 50Hz or 60Hz and rated voltage 0.66kV.
Applicable Standard:IEC60044-2 Voltage Transformer.
Type Designation
Operation Conditions
Installation area: LQZJ1, 4-0.66 Indoor, LQZJ5-0.66 outdoor
Ambient temperature:
LQZJ1,4-0.66 Ambient temperature: Max. temperature: +40≧; Min. temperature: -5≧'
Average temperature can not exceed 30
LQZJ5-0.66 Ambient temperature: Max. temperature: +40≧; Min. temperature: -25≧
Average temperature can not exceed 30
Air conditions: No heavy pollution in air.
Technical Parameter
Rated primary current
primary ampere-turn
Rated short-time thermocurrent
Rated dynamic stability current(kA/s)
Rated secondary current: 5A or 1A.
Rated insulation level: 0.66/3kV。

Structure and Feature
This Type Current Transformer is totally enclosed model of polyester resin pouring. Primary winding, secondary winding and iron core are poured in polyester resin. It is damp-proof and has good insulating property. There is mounting motherboard at the bottom or one side. The secondary winding side has thief-proof electric mantle. This Type Current Transformer has advantages of small volumn, light weight and good insulating property. It is succedaneum of old model LQG-0.5.
Outline and Mounting Dimensions

Information Required for Order Placing
Rated current ratio A.
Combined accuracy classes and Rated output VA.
Altitude m.