Tianlian Brand 5x2.5 WD-MKYJY23-450/750V Mining Armor Control Cable Technical Analysis
I. Model Definition and Structure
WD-MKYJY23‌：
WD: Halogen-Free Low-Smoke (W: Halogen-Free, D: Low-Smoke)
MK: Mining Control Cable (M: Mining, K: Control)
YJY23: Cross-linked Polyethylene Insulation (YJ), Polyolefin Sheath (Y), Double Steel Tape Armoring (2), Polyethylene Outer Sheath (3).
5×2.5: 5-core cable, each conductor with a cross-sectional area of 2.5mm² (copper core diameter approximately 1.78mm).
II. Key Performance Parameters
Parameter item Technical Specifications Standard Basis
Rated Voltage 450/750V (Phase voltage: 450V, Line voltage: 750V) MT 818-2009
Operating Temperature -40℃ to 90℃ (long-term) GB/T 19666-2019
Flame Retardancy Rating Halogen-free, low-smoke flame-retardant (compliant with GB/T 19666) GB/T 18380-2008
Bend Radius ≥12 times outer diameter (armored structure) YD/T 1019-2013
Section 3: Application Scenarios
Underground Coal Mines: Suitable for gas monitoring, equipment control, etc., signal transmission (in-mine safety with halogen-free and low-smoke characteristics).
Industrial Automation: PLC & DCS System Control Cables (Armored for mechanical damage resistance)
Complex Environment: Direct burial or pipeline laying (double steel strip armor with compressive strength ≥ 50 kN/m²).