Antminer S21 Immersion-Cooling Miner SJ00W US Certified 1.5m Oil-Resistant Power Cord

Antminer S21 Immersion SJ00W Oil-Resistant Power Cord | US Certified 14AWG 1.5m

The Antminer S21 Immersion SJ00W Oil-Resistant Power Cord is a US-certified, 14AWG cable built specifically for Bitmain's S21 IMM oil-immersion cooling miners. At 1.5 meters, it provides adequate reach within standard immersion tank setups while maintaining a heavy-duty 14AWG wire gauge that handles the S21's full power draw without voltage drop. The oil-resistant outer jacket prevents degradation from prolonged submersion in dielectric cooling fluids — a common failure point with standard power cords used in immersion environments.

S21 Immersion Power Cord: 14AWG SJ00W Construction

The SJ00W rating indicates a junior hard service cord with oil-resistant outer and inner jackets. This is critical for immersion mining because standard PVC jackets swell, crack, and eventually fail when exposed to mineral oil or synthetic dielectric fluids. The 14AWG copper conductors provide low resistance across the 1.5m length, minimizing power loss between the PDU and the S21 IMM unit. US certification confirms compliance with UL safety standards for use in North American mining facilities.

Antminer S21 IMM Power Cord Specifications

Immersion Mining Power Infrastructure: Why Oil-Resistant Cables Matter

Immersion cooling submerges the entire miner — including power connections — in dielectric fluid. Standard power cords not rated for oil exposure will degrade within weeks, creating safety hazards and unplanned downtime. The SJ00W oil-resistant jacket on this cord is designed for continuous contact with cooling fluids. For facilities running multiple S21 IMM units, pair this cord with the S21 Immersion Power Cord with PDU Compatibility or the S21 XP IMM Oil Immersion AC Power Cord for XP models. Cooling system upgrades like the S21Pro Water Cooling Kit complement the power infrastructure for maximum thermal management.

Why Buy S21 Immersion Power Cords from LYS?

All power cords ship with DDP (Delivered Duty Paid) — no customs fees, no import delays. We source directly from Shenzhen manufacturers and stock cords for the full S21 lineup including immersion, hydro, and air-cooled variants. For large-scale deployments requiring multiple cords, contact us for volume pricing tailored to mining farm operators.

Next Step: Browse S21 cooling fans and accessories or contact our support team at contact@lys-sz.com or via WhatsApp for S21 immersion infrastructure availability.