青岛新光大防雷技术有限公司

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　　This kind of Resistance-reduce-agent is composed of many ingredients, including electrolyte, curing agent, lubricant, electro-conductive cement and stuffing materials. As one excellent electric conductor, it is used between grounding part and earth. On the one hand, it can be closely connected to metal grounding to form enough current surface; on the other hand, it can infiltrate into soil near it to lower resistance and form one low resistance district around grounding parts.

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7. Surge Restrain Protection Device for Power Distribution

PRODUCT CATALOG

Type QSD110	Grade	Uo	Uc	ln	lmax	Up	lie	Width	Protection	Order No.
Type QSD110	Grade	(V)	(V)	(KA)	(KA)	(KV)	(μA)	(mm)	Grade	Order No.
	1+N	220	275	10	20	1.2	＜5	36	Grade 3, 4	5006
	1+N	220	385	10	20	1.3	＜5	36		5007
	1+N	220	440	10	20	1.4	＜5	36		5008
	3+N	220	275	10	20	1.2	＜5	72	Grade 3, 4	5009
	3+N	220	385	10	20	1.3	＜5	72		5010
	3+N	220	440	10	20	1.4	＜5	72		5011

Type QSD110Y	Grade	Uo	Uc	ln	lmax	Up	lie	Width	Protection	Order No.
Type QSD110Y	Grade	(V)	(V)	(KA)	(KA)	(KV)	(μA)	(mm)	Grade	Order No.
	1+N	220	440	10	20	1.0	＜0.5	36	Grade 3, 4	5014
	3+N	220	440	10	20	1.0	＜0.5	72	Grade 3, 4	5015

Type QSD115	Grade	Uo	Uc	ln	lmax	Up	lie	Width	Protection	Order No.
Type QSD115	Grade	(V)	(V)	(KA)	(KA)	(KV)	(μA)	(mm)	Grade	Order No.
	1+N	220	275	15	30	1.3	＜5	36	Grade 3, 4	5026
	1+N	220	385	15	30	1.5	＜5	36		5027
	1+N	220	440	15	30	1.6	＜5	36		5028
	3+N	220	275	15	30	1.3	＜5	72	Grade 3, 4	5029
	3+N	220	385	15	30	1.5	＜5	72		5030
	3+N	220	440	15	30	1.6	＜5	72		5031

Type QSD115Y	Grade	Uo	Uc	ln	lmax	Up	lie	Width	Protection	Order No.
Type QSD115Y	Grade	(V)	(V)	(KA)	(KA)	(KV)	(μA)	(mm)	Grade	Order No.
	1+N	220	440	15	30	1.0	＜0.5	36	Grade 3, 4	5034
	3+N	220	440	15	30	1.0	＜0.5	72	Grade 3, 4	5035

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