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煤礦用阻燃控制電纜

fire retardant control cables in mines

產品用途:本產品適用于礦井下交流額定電壓為450/750v及以下配

電裝置中的電器儀表作控制信

號保護和測量

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

執行標準 standards implemented : mt818-1999

型號、名稱及使用范圍 model desc-riptionsuse scope

型號mode	名稱desc-riptions	使用范圍scope of application
mkvv	煤礦用聚氯乙烯絕緣聚氯乙烯護套控制電纜 pvc insulated pvc sheathed control cables for use in mines	礦井中一般控制系統中general control system in mines
mkvv22	煤礦用聚氯乙烯絕緣鋼帶鎧裝聚氯乙烯護套控制電纜 pvc insulated steel tape armored pvc sheathed control cables for use in mines	礦井中一般控制系統中能承受一定沖擊力和壓力 general control system cables are under some impactpressure in the mine
mkvv32	煤礦用聚氯乙烯絕緣細鋼絲鎧裝聚氯乙烯護套控制電纜pvc insulated fine steel wire armored pvc sheathed control cables for use in mines	礦井中一般控制系統能承受一定拉力general control system cables are under some pulling force in the mine
mkvv42	煤礦用聚氯乙烯絕緣粗鋼絲鎧裝聚氯乙烯護套控制電纜pvc insulated thick steel wire armored pvc sheathed control cables for use in mines	礦井中一般控制系統能承受較大拉力general control system cables are under big impact pulling force in the mine
mkvvp	煤礦用聚氯乙烯絕緣銅絲編織屏蔽聚氯乙烯護套控制電纜pvc insulated copper wire weave shielded pvc sheathed control cables for use in mines	礦井中強電磁干擾區作一般控制strong electromagnetism interference region as general control in mines
mkvvp2	煤礦用聚氯乙烯絕緣銅帶屏蔽聚氯乙烯護套控制電纜pvc insulated copper tape shielded pvc sheathed control cables for use in mines	礦井中強電磁干擾區作一般控制strong electromagnetism interference region as general control in mines
mkvvr	煤礦用聚氯乙烯絕緣聚氯乙烯護套軟控制電纜pvc insulated pvc sheathed soft control cables for use in mines	礦井中要求移動場合作一般控制request migration situation as general control in mines
mkvvrp	煤礦用聚氯乙烯絕緣銅絲編織屏蔽聚氯乙烯護套軟控制電纜pvc insulated copper wire weave shielded pvc sheathed soft control cables for use in mines	礦井中要求移動且強電磁干擾區作一般控制request migration situationstrong electromagnetism interference region as general control in mines

使用特性 service characteristics

電纜導體長期允許的工作溫度long-term service temperature of the cable conductor	70℃	額定電壓u0/u rated voltage u0/u	450/750v	電纜敷設溫度cable layingtemperature	≥0℃
纜的最小彎曲半徑 minimun bending radius	無鎧裝層的≥電纜外徑的6倍，有鎧裝層或銅帶屏蔽的≥電纜外徑的12倍，non armored ≥outer diameter of cable 6 times, armored layer or copper tape shielded≥outer diameter of cable 12times有屏蔽層的軟電纜≥電纜外徑的6倍shielded layer soft cable ≥ outer diameter of cable 6 times

電纜結構示意圖iiiustration of cable structure

型號 model

額定電壓 vrated voltage

導體標稱截面 mm² conductor nominal sectional
0.5	0.75	1.0	1.5	2.5	4	6	10
芯數 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		-	-

型號 model	額定電壓 vrated voltage	導體標稱截面 mm² conductor nominal sectional
		0.5	0.75	1.0	1.5	2.5	4	6	10
		芯數 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：推薦的芯數系列recommendation core series：2、3、4、5、7、8、10、12、14、16、19、24、27、30、37、44、48、52、61芯core

電纜主要技術性能 major technical performances

1、電纜導體直流電阻及絕緣電阻 cable conductor dc resistanceinsulated resistance

標稱截面nominal sectionalmm²	導體結構conductor structure		+20℃導體直流電阻≤ω/kmconductor dc resistance at 20℃		+20℃絕緣電阻≥mω·kminsulated resistance at 20℃
標稱截面nominal sectionalmm²	種類type	根數/單線標稱直徑mmcore no./ single nominaldiameter	不鍍錫untinned	鍍錫tinned	+20℃絕緣電阻≥mω·kminsulated 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、電纜其它主要技術性能 other major technical performances

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

序號serial number	項目items		技術性能technical performances
1	+20℃線芯直流電阻≤ω/km core dc resistance at 20℃		見上表 see above table
2	+20℃絕緣電阻≥mω·km insulation resistance at 20℃		見上表 see above table
3	5min耐工頻交流電壓試驗5min power frequency alternating current pressure test	芯-芯core-core芯-屏蔽core-shield芯-鎧裝 core-armor	3000v不擊穿 3000v no breakdown
4	單根垂直燃燒試驗 single wire burning test		mt386
5	成束燃燒試驗 group burning test		符合gb/t18380標準中b類成束燃燒試驗要求conforms to gb/t18380 standard b kind group burning test

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