MHYA32煤矿用阻燃通信电缆 MHYA32

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MHYA32煤矿用阻燃通信电缆

Product model：MHYA32

产品用途：产品用于煤矿井下电话通信干线，配线，用户线路 MHYA32煤矿用阻燃通信电缆 MHYA32煤矿用阻燃通信电缆

Product manufacturer：

Product Consultation：13773435488 0514-84232079

Detailed introduction

电缆主要技术性能 Major technical performances

1、电缆导体直流电阻及固有衰减 DC resistance of the conductor and Intrinsic attenuation

型号 Model	20℃时导体直流电阻 DC resistance of conductor at 20℃ ≤Ω ( ， /km)	固有衰减(800Hz) Intrinsic attenuation ≤( ,dB/km)
MHYV	45	1.10
MHJYV	73	1.30
MHYBV MHYAV MHYA32	36.7	0.95

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

( MHYV、MHJYV、MHYBV MHYAV、MHYA32)

序号 Serial number	项目 Items	技术性能 Technical performances
1	+20℃线芯直流电阻(≤Ω/Km) Line core DC resistance at 20℃	见上表 See above table
2	电缆固有衰减(≤dB/Km) Cable intrinsic attenuation	见上表 See above table
3	+20℃绝缘电阻(≥MΩ Km) Insulating resistance at 20℃	3000
4	lmin工频交流电压试验 lmin power frequency alternating current pressure test	1500V不击穿(50Hz) 1500V Does not penetrate
5	远端串音衰减(≥dB/500) Far-end crosstalk attenuation	70(800Hz)
6	电感(≤μH/Km) Inductance	800(800Hz)
7	电缆工作电容(≤μF/Km) Cable service capacity	0.06(800Hz)
8	工作对直流电阻差(≤%环阻) DC resistance difference	2
9	单根垂直燃烧试验 Combustion for single cable test	MT386
10	成束燃烧试验 Combustion for bunched cable 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 becomes ties the burning test