The MT/T 386 Mining Cable Fire Resistance Tester is a precision testing instrument designed to evaluate the flame retardant performance of mining cables under overload conditions. This high-precision machine ensures compliance with industry standards for cable safety in coal mining applications.

• Flame retardancy testing for mining cables and cable joints
• Evaluation of cable sheath and insulation materials at 204°C under high current operation
• Assessment of material high temperature resistance and flame retardant properties

• MT 386-2011: Test method and judgment rules for flame retardant performance of cables for coal mines
• GB/T 3836.1-2000: Electrical equipment for explosive gas environments
• MT 818-2009: Industry standard for cables for coal mines

• Sheet metal spray-painted box body with corrosion-resistant finish
• Extra-large transparent observation window for clear visibility
• All internal fixtures constructed from SUS304 stainless steel
• Overall dimensions: 1800×600×1870mm with volume exceeding 0.5m³
• Adjustable brass burner with 90° angle and height adjustment
• Integrated exhaust system with smoke exhaust port

• Electronic high-voltage automatic ignition with gas shutoff control
• Japanese precision needle valves for accurate gas flow and flame height control
• Inner flame height: 75±5mm, outer extension: 125±10mm
• Imported pressure gauges and pressure regulating valves
• US-made burner for precise flame height and combustion heat control

• Automatic current cutoff when burner is evacuated from sample area
• Manual load disconnection control
• Test time reminder with 1-minute burn time notification
• Load current range: 10-3000A
• K-type thermocouple temperature measurement: 0-1300°C with ±0.1°C accuracy
• Digital display for all parameters with 0-9999s timer range