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So looking at the inquiry you sent over, we've been supplying these 4-core armored power cables for a while now, and most common configurations we move are the YJV22 with steel tape armor, which pretty much handles the underground runs for industiral plants, but the VV32 with steel wire gives you better tensile strength if you're pulling through ducts—though basically, the choice comes down to your specific routing.
You'll want to check the bending radius, which is roughly 12 to 15 times teh cable diameter, and that actually matters more than most buyers think because if you force a tighter bend on a 630mm² section, you risk damaging the XLPE insulation, and replacing a run mid-project is something no one wants to deal with; we usually have stock on the 25mm² to 240mm² sizes, but the 400mm² and up might need a lead time of 20 days or so.
Every shipment comes with a COA and traceable mill certificates, and we can also include the IEC 60502 compliance docs if your procurement team needs them for the audit trail, but what it does is just confirm the short-circuit rating hits that 250°C for under 5 seconds, so it's fine for most distribution setups, though it's not suited for direct burial in high-corrosion soil without proper PVC jacketing.
On payment, we work with T/T for standard orders under $20,000, and for larger quantities our company can do a 30% deposit with the balance against shipping documents; just keep in mind that the aluminum conductor variants typically save you about 30-40% on material cost compared to copper, but you'll need to upsize the sectional area by one step or so to match current-carrying capacty—roughly 50mm² aluminum replaces 35mm² copper in most cases.
One thing that catches some buyers off guard is the 3+1 core configuration, which is actually 3 full-size conductors plus a reduced neutral, and it's better than a straight 4-core equal section for certain three-phase loads but worthless for balanced systems; anyway, just confirm your core count when you place the order, and we'll match the steel tape or wire armor base on whether you're pulling through ducts or directly underground—either way, the 90°C max temp holds steady.
VV cables use PVC insulation, while YJV uses XLPE — that's cross-linked polyethylene. For your voltage range up to 33KV, we'd recommend YJV since XLPE handles higher temperatures (90°C continuous) and has better electrical properties. Both can be armored with steel tape or wire depending on your installation needs.
Yes, we can supply the test reports per IEC 60332 for flame retardancy on any of our armored power cables. Just let us know which model and conductor material you need — copper or aluminum — and we'll include the docs with your shipment.
Our MOQ for standard 4-core cables like YJV32 or VV22 is 500 meters per size. For aluminum conductors or larger sections up to 630mm², we can be flexible — just reach out with your target quantity and we'll see what we can do.
Keep them on the drums in a dry, covered area away from direct sunlight and moisture. Temperature range is fine from -5°C to 50°C. Make sure the drums sit on a flat surface so the cable doesn't get crushed or deformed — that bending radius of 12-15 times diameter is for installation, not storage.
Absolutely — we can make 3+1 (three phases plus neutral) or 4+1 (four phases plus ground) in any of the armor types you see. Just specify the conductor material and sectional area, and we'll adjust the lead time by about 2-3 weeks for the custom build.
