66-550KV series GIS current transformerDetailed product description：

Product model: 66-550KV series GIS current transformer

Product Features:
The 66-550KV series GIS current transformer is used as a current transformer component in 72.5-550KV metal enclosed composite electrical appliances. Perform a current transformer winding operation

Standard:
GB1208-1997 "Current Transformers" (Chinese Standard)
IEC60044-1∶2003 　　　　　《Current transformers》　　　　　　　　（ International Electrotechnical Commission Standards)
BS 3938:1973 British Standard Grade X
IEC44-6-1992 Requirement for protective cruuent transformers
For transient performance (International Electrotechnical Commission standard)
GB16847-1997 "Technical Requirements for Transient Characteristics of Protective Current Transformers" (Chinese Standard)
ANSI/IEEE C57.13 "Technical Requirements for Transformers" (American Standard)

Technical parameters of current transformers for 66-550KV series GIS:

Rated primary current: 100-4000
Rated secondary current: 1, 5
Accuracy level: Can be combined according to customer requirements
0.2s、0.2、0.5s、0.5；
5P、10P、PX；
TPY、TPZ、TPX；
X. (British Standard)
0.3, 0.6, 1.2; (American Standard)
Class C (American Standard)
Rated load (VA): 10-50
Instrument security factor: 5, 10
Accurate limiting factor: 5-40

The other parameters of the current transformers used in the 66-550KV series GIS shall be determined according to the implemented standards. Customers can contact us if they have special requirements or when implementing other standards.