scope of application:this product is suitable under the mine pit exchanges the rated voltage is 450/750v and in following power distribution equipment electric appliance measuring appliance makes the control signal protection and survey.

执行标准 standards implemented : mt818-1999

型号、名称及使用范围 model desc-riptions and use scope

型号 mode	名称 desc-riptions	使用范围 scope of application
mkvv	煤矿用聚氯乙烯绝缘聚氯乙烯护套控制电缆 pvc insulated pvc sheathed control cables for use in mines	矿井中一般控制系统中 general control system in mines
mkvv22	煤矿用聚氯乙烯绝缘钢带铠装聚氯乙烯护套控制电缆 pvc insulated steel tape armored pvc sheathed control cables for use in mines	矿井中一般控制系统中能承受一定冲击力和压力 general control system cables are under some impact and pressure in the mine
mkvv32	煤矿用聚氯乙烯绝缘细钢丝铠装聚氯乙烯护套控制电缆 pvc insulated fine steel wire armored pvc sheathed control cables for use in mines	矿井中一般控制系统能承受一定拉力 general control system cables are under some pulling force in the mine
mkvv42	煤矿用聚氯乙烯绝缘粗钢丝铠装聚氯乙烯护套控制电缆 pvc insulated thick steel wire armored pvc sheathed control cables for use in mines	矿井中一般控制系统能承受较大拉力 general control system cables are under big impact pulling force in the mine
mkvvp	煤矿用聚氯乙烯绝缘铜丝编织屏蔽聚氯乙烯护套控制电缆 pvc insulated copper wire weave shielded pvc sheathed control cables for use in mines	矿井中强电磁干扰区作一般控制 strong electromagnetism interference region as general control in mines
mkvvp2	煤矿用聚氯乙烯绝缘铜带屏蔽聚氯乙烯护套控制电缆 pvc insulated copper tape shielded pvc sheathed control cables for use in mines	矿井中强电磁干扰区作一般控制 strong electromagnetism interference region as general control in mines
mkvvr	煤矿用聚氯乙烯绝缘聚氯乙烯护套软控制电缆 pvc insulated pvc sheathed soft control cables for use in mines	矿井中要求移动场合作一般控制 request migration situation as general control in mines
mkvvrp	煤矿用聚氯乙烯绝缘铜丝编织屏蔽聚氯乙烯护套软控制电缆 pvc insulated copper wire weave shielded pvc sheathed soft control cables for use in mines	矿井中要求移动且强电磁干扰区作一般控制 request migration situation and strong electromagnetism interference region as general control in mines

使用特性 service characteristics

电缆导体*允许的工作温度 long-term service temperature of the cable conductor	70℃	额定电压u0/u rated voltage u0/u	450/750v	电缆敷设温度 cable layingtemperature	≥0℃
缆的zui小弯曲半径 minimun bending radius	无铠装层的≥电缆外径的6倍，有铠装层或铜带屏蔽的≥电缆外径的12倍， non armored ≥outer diameter of cable 6 times, armored layer or copper tape shielded≥outer diameter of cable 12times 有屏蔽层的软电缆≥电缆外径的6倍 shielded layer soft cable ≥ outer diameter of cable 6 times

电缆结构示意图
iiiustration of cable structure

型号 model

额定电压 v
rated voltage

导体标称截面 mm² conductor nominal sectional
0.5	0.75	1.0	1.5	2.5	4	6	10
芯数 core number

mkvv mkvvp

mkvvp2

mkvv22

mkvv32

mkvv42

mkvvr

mkvvrp

450/750

-	2-61		2-14	2-10
-	4-61		2-14	4-10
-	4-61		2-14	4-10
-	7-61	4-61	2-14	4-10
-	16-61	7-61	2-14	4-10
4-61			-	-
4-61	4-48		-	-

型号 model	额定电压 v rated voltage	导体标称截面 mm² conductor nominal sectional
		0.5	0.75	1.0	1.5	2.5	4	6	10
		芯数 core number
mkvv mkvvp	450/750	-	2-61				2-14		2-10
mkvvp2		-	4-61				2-14		4-10
mkvv22		-	4-61				2-14		4-10
mkvv32		-	7-61		4-61		2-14		4-10
mkvv42		-	16-61		7-61		2-14		4-10
mkvvr		4-61					-		-
mkvvrp		4-61			4-48		-		-

注note：*的芯数系列recommendation core series：2、3、4、5、7、8、10、12、14、16、19、24、27、30、37、44、48、52、61芯(core)

电缆主要技术性能 major technical performances

1、电缆导体直流电阻及绝缘电阻 cable conductor dc resistance and insulated resistance

标称截面 nominal sectional (mm²)	导体结构 conductor structure		+20℃导体直流电阻(≤ω/km) conductor dc resistance at 20℃		+20℃绝缘电阻(≥mω·km) insulated resistance at 20℃
标称截面 nominal sectional (mm²)	种类type	根数/单线标称直径(mm) core no./ single nominaldiameter	不镀锡 untinned	镀锡 tinned	+20℃绝缘电阻(≥mω·km) insulated resistance at 20℃
0.5	5	16/0.20	39.0	40.1	15
0.75	1	1/0.97	24.5	24.8	12
0.75	2	7/0.37	24.5	24.8	12
0.75	5	24/0.20	26.0	26.7	12
1.0	1	1/1.13	18.1	18.2	11
1.0	2	7/0.43	18.1	18.2	10
1.0	5	32/0.20	19.5	20.0	10
1.5	1	1/1.38	12.1	12.2	11
1.5	2	7/0.52	12.1	12.2	10
1.5	5	30/0.52	13.3	13.7	10
2.5	1	1/1.78	7.41	7.56	10
2.5	2	7/0.68	7.41	7.56	9
2.5	5	50/0.25	7.98	8.21	9
4	1	1/2.25	4.61	4.70	8.5
4	2	7/0.85	4.61	4.70	7.7
6	1	1/2.76	3.08	3.11	7
6	2	7/1.04	3.08	3.11	6.5
10	2	7/1.35	1.83	1.84	6.5

2、电缆其它主要技术性能 other major technical performances

型号model:mkvv22、mkvv32、mkvv42、mkvv、mkvvr、mkvvp、mkvvp2、mkvvrp

序号 serial number	项目 items		技术性能 technical performances
1	+20℃线芯直流电阻(≤ω/km) core dc resistance at 20℃		见上表 see above table
2	+20℃绝缘电阻(≥mω·km) insulation resistance at 20℃		见上表 see above table
3	5min耐工频交流电压试验 5min power frequency alternating current pressure test	芯-芯core-core 芯-屏蔽core-shield 芯-铠装 core-armor	3000v不击穿 3000v no breakdown
4	单根垂直燃烧试验 single wire burning test		mt386
5	成束燃烧试验 group burning test		符合gb/t18380标准中b类成束燃烧试验要求 conforms to gb/t18380 standard b kind group burning test

产品相关关键字：煤矿用阻燃控制电缆

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