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Product Details

Specifications

Zno Varistor
1.Used:arrester and insulators
2.Diameter:30-115mm
3.Residual Voltage at 1mA 0.28-4.5KV
4.use for arrester

ZnO Varistor

Metal Oxide Varistor is the core of the arrester.

Metal Oxide Varistor is the core of the arrester, which main component is Zinc Oxide and with a small quantity of bismuth Oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.

Name	Type mm	Voltage per mm V/mm	U_5kA/U_1mA ≤	U_10kA/U_1mA ≤	0.75U_1mA ≤ μA	2ms rectangular current capacity A	4/10μs high current impulse capacity kA	Aging performance
Name	Type mm	Voltage per mm V/mm	U_5kA/U_1mA ≤	U_10kA/U_1mA ≤	0.75U_1mA ≤ μA	2ms rectangular current capacity A	4/10μs high current impulse capacity kA	The voltage loadingratio %	Kct ≤
D3	Φ30×25∼30	225	1.80	/	10	150	40	85	1.05
D3.5	Φ35×25∼30	225	1.75	/	10	250	65	85	1.05
D4	Φ42×25	220	1.71	/	15	350	65,100	85	1.05
D5	Φ53×25	215	1.66	1.76	15	600	100	85	1.03
D7	Φ70×22.5	205	/	1.71	20	1000	100	90	1.03
D7(annular)	Φ70/Φ26×22.5	205	/	1.73	20	800	100	90	1.03
D8.5	Φ85×22.5	200	/	1.68	20	1300	100	90	1.03
D8.5(annular)	Φ85/Φ26×22.5	200	/	1.70	20	1000	100	90	1.03
D10.5	Φ105×20	190	/	1.65	25	1800	100	90	1.02
D10.5(annular)	Φ105/Φ38×20	190	/	1.66	25	1500	100	90	1.02
D11.5	Φ115×20	190	/	1.63	25	2000	100	90	1.02
D11.5(annular)	Φ115/Φ38×20	190	/	1.65	25	1800	100	90	1.02