Indoor SF6 Gas Insulated Current Transformer

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The indoor SF6 gas insulated current transformer work properly with the ambient temperature between -25℃ and 40℃. It should be installed in a place free from vibration, impact, and jolt.

Technical Parameters of Indoor SF6 Gas Insulated Current Transformer

Rated insulation level	126/185/450kV
Rated primary current	2×200, 2×300, 2×400, 2×500, 2×600, 2×750, 2×1000 A
Rated secondary current	5A
Load power factor	COSΦ=0.8 (lagging)
Accuracy classes combination	0.2S/0.5/P/P, 0.2/0.5/P/P, 0.2/P/P/P, 0.5/P/P/P
Partial discharge level	≤5pC

Accuracy class and rated burden corresponding to rated current are shown below:

Rated primary current (A) / Rated secondary current (A)	Measurement class						Protection Class
Rated primary current (A) / Rated secondary current (A)	Accuracy	Burden (VA)	Accuracy	Burden (VA)	Accuracy	Burden (VA)	Accuracy	Accuracy limit factor	Burden (VA)
2×200/5	0.2S	20	0.2	20	0.5	25	10P	10	20
2×300/5	0.2S	20	0.2	20	0.5	25	10P	15	30
2×400/5	0.2S	20	0.2	20	0.5	25	10P or 5P	15	30
2×500/5	0.2S	25	0.2	25	0.5	30	10P or 5P	15	40
2×600/5	0.2S	25	0.2	25	0.5	30	10P or 5P	20	40
2×750/5	0.2S	30	0.2	30	0.5	40	10P or 5P	20	40
2×1000/5	0.2S	30	0.2	30	0.5	40	10P or 5P	20	40

Note: 1. The parameters in the above table are for reference only and they can be customized as per customer requirements.
2. Rated pressure (manometer pressure at 20℃): 0.6MPa
3. Make-up gas pressure (manometer pressure at 20℃): 0.5MPa
4. Annual leakage rate of SF6 is less than 0.5%.

Indoor SF6 Gas Insulated Current Transformer

Related Names
Current Metering | High Voltage Current Transformer | Measuring Current Transformer | Protective Current Transformer

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