UGEFP mining high-voltage tunneling machine cable, UGF cable

UGEFP Special Advantages:
Integrated monitoring core and shielding support real-time insulation status monitoring and fault early warning.
Metal shielding structure suppresses electromagnetic interference, ensuring stable signal transmission for tunneling machine control systems.
Resistant to frequent dragging and bending, suitable for continuous high-intensity movement of tunneling machines.

UGF General Advantages:
Cost-effective, meeting basic power supply requirements for mining high-voltage equipment.
Abrasion-resistant and tear-resistant sheath, suitable for damp and dusty underground environments.
Good flexibility, facilitating wiring and installation for underground mobile equipment.

Common Advantages:
Mining flame-retardant certification (MT 818), ensuring high explosion-proof safety standards underground.
Oil-resistant and corrosion-resistant, suitable for oily and acidic mining environments.
Wide operating temperature range, adaptable to underground temperature variations.

Application Scope:
UGEFP is mainly used for high-voltage mobile equipment in underground coal mines, such as roadheaders, coal shearers, and mobile substations. UGF is mainly used for low-voltage mobile equipment underground, such as conveyors, lighting systems, and small machinery.

Special Notes:
UGEFP monitoring cores support insulation fault； sheath color is typically black or orange; optional reinforced sheath for extreme abrasion; provides integrated solutions with pre-installed high-voltage connectors.

Structure：
UGEFP: Power cores (3 cores) + ground core + monitoring core + reinforcement fiber braid layer + metal shield layer + chloroprene sheath
UGF: Power cores (3 or 4 cores) + ground core + reinforcement fiber braid layer + chloroprene sheath
Conductor: Tin-plated copper conductor, multi-stranded ultra-flexible (Class 6 conductor)
Cross-section Range: 16 mm² ~ 185 mm² (power cores)
Rated Voltage: UGEFP: 3.6/6 kV, 6/10 kV; UGF: 0.66/1.14 kV
Test Voltage: UGEFP: 15 kV/5 minutes (6kV class), 25 kV/5 minutes (10kV class); UGF: 3.5 kV/5 minutes
Insulation Material: Ethylene propylene rubber (EPR)
Shielding Structure: UGEFP: Copper wire braid shield (coverage ≥85%); UGF: Optional shield (not standard)
Sheath Material: Flame-retardant chloroprene rubber (CR)
Minimum Bending Radius: Fixed installation: 10 × cable outer diameter; Mobile installation: 15 × cable outer diameter (UGEFP), 12 × cable outer diameter (UGF)
Operating Temperature: Long-term: -40℃ ~ +65℃; Short-term overload: +90℃ (2 hours)
Tensile Strength: ≥ 2000N (UGEFP), ≥ 1500N (UGF)
Abrasion Resistance: ≥ 100,000 reciprocating abrasion cycles (1kg load)
Oil Resistance: Passes IRM 902 oil immersion test (70℃×24h)
Flame Retardancy: Passes MT 818.1 mining flame retardant test
Protection Rating: IP67 (with matching connector)