Product Overview
The MC-HL Armored Cable 3 Conductors EPR PVC (MC-HL/MV-105) is a high-performance, medium-voltage armored cable engineered for extreme industrial environments, including hazardous locations, variable frequency drive (VFD) systems, and marine applications. Featuring ethylene propylene rubber (EPR) insulation, triple grounding conductors, and a robust aluminum armor-PVC jacket system, this cable delivers unmatched electrical stability, mechanical protection, and compliance with stringent safety standards.
Key Features:
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Voltage Rating: 5kV (133% insulation level) / 8kV (100% insulation level).
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Temperature Range: -40°C to 105°C (MV-105 rated).
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Hazardous Location Certified: Class I, II, III Div 1/2; Class 1 Zones 1/2 (NEC 501-505).
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Flame & Cold Resistance: FT4 flame-retardant, -40°C cold impact tested.
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Marine Compliance: UL 1309 & ABS-certified for shipboard use.
Technical Specifications
| Parameter | Description |
|---|---|
| Conductor | 6 AWG – 1000 kcmil bare annealed copper (ASTM B3/B496 compact stranding). |
| Insulation | 115 mil EPR (ICEA S-93-639, UL 1072), corona-resistant, high dielectric strength. |
| Shielding | Extruded strand shield (ESS) + insulation shield (EIS) + 5 mil copper tape (25% overlap). |
| Grounding Conductors | 3 split Class B bare copper, NEC 250/UL 1072 compliant. |
| Armor | Continuous welded corrugated aluminum alloy (UL 1072/1569), NEC 250 grounding compliant. |
| Jacket | Flame-retardant, UV-resistant PVC (yellow), ASTM D746 certified (-40°C). |
| Voltage Rating | 5kV (133% load) / 8kV (100% load). |
| Flame Tests | ICEA T-29-520 (210k BTU/hr), IEEE 383/1202, CSA FT4, IEC 60332-3 Cat A. |
Construction Details
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Conductor:
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High-purity annealed copper, compact-stranded for flexibility and reduced diameter.
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Insulation System:
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EPR (Ethylene Propylene Rubber): Superior thermal stability (105°C), corona resistance, and electrical stress tolerance.
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Triple-layer shielding (ESS + EIS + copper tape) ensures uniform voltage distribution and EMI suppression.
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Grounding:
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Three symmetrically arranged Class B grounding conductors for VFD noise mitigation and NEC compliance.
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Armor & Jacket:
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Aluminum Armor: Impervious to moisture, gases, and liquids; provides mechanical crush resistance.
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PVC Outer Jacket: Flame-retardant, sunlight-resistant, and cold-flexible (-40°C).
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Applications
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Variable Frequency Drives (VFD): Ideal for PWM inverter-controlled AC motors in industrial automation.
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Hazardous Locations: Oil/gas plants, chemical facilities (NEC Class I/II/III Div 1/2, Zones 1/2).
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Marine & Offshore: ABS/UL 1309-certified for shipboard power distribution.
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Infrastructure: Direct burial, concrete embedding, cable trays, raceways, and exposed/concealed wet/dry installations.
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Medium-Voltage Power Systems: Feeders, branch circuits (NEC 328/330).
Compliance & Certifications
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Standards: ICEA S-93-639/WC74, AEIC CS8, UL 1072/1569/2225, CSA C68.3.
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Marine: UL 1309, ABS CWCMC.
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Flame Tests: FT4, IEEE 383/1202, ICEA T-29-520.
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Cold Performance: ASTM D746 (-40°C brittleness test).
Engineering Advantages
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Reliability: EPR insulation withstands electrical stress and thermal cycling in VFD applications.
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Safety: Triple grounding + aluminum armor ensures NEC 250 compliance and fault current safety.
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Durability: Corrosion-resistant armor and UV-stable PVC jacket for 25+ years in harsh environments.
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Versatility: Suitable for -40°C to 105°C, direct burial, marine, and explosive atmospheres.
Ordering Information
Specify conductor size (6 AWG–1000 kcmil), voltage rating, and length. Custom configurations available for specialized grounding or shielding requirements.