This products is installed in other device, such as bushing of transformer, circuit or breaker. Or installed with cable, wall bushing or PASS
And this products can also be purchased separately
According to: IEC 60044: 1

Service conditions
Ambient air temperature: -50 ºC ~ +50 ºC
The altitude: ≤ 1000m, if higher, amend according to IEC 60044
Indoor or outdoor
Technical indexes
Rated primary current: ≤ 15000A
Rated secondary current: 5A or 1A
Rated output capacity: 5-100VA
Accuracy limit factor: 5, 10, 15, 20, 30, 40, 50.
Accuracy classes for measuring core: 0.2, 0.2S, 0.5, 0.5S
Accuracy classes for protective core: 5P, 10P, 5PR, 10PR, TPY
All parameters are in accordance with IEC 60044-1
On a: The secondary windings of current transformer
Under a: Cable clamp(fix the cable on the bracket).