Check the listing for details. 2 Wires 30A 22mm Large Current Slip Ring for Wind Power Generator. Condition: New. Listed at 16.00 USD. 2 Wires 30A 22mm Large Current Slip Ring for Wind Power Generator Specifications: Speed: max 500rpm Large ones: 2-Wire Rated voltage: 240VAC / DC Rated current: 30A / Wire Working temperature: -20 ~ 80 °C Contact Material: Gold Wire size: AWG17 Teflon silver plated UL Cable length: standard 300mm Compressive strength:≥500V @ 50Hz between the two Insulation resistance: 1000MΩ / 500VDC Fluctuations in the value of dynamic resistance: Minimum 10mΩ Shell material: plastic or metal can be selected Working life: ≥500 million transfer (depending on the operating environment and speed)Package Include:Ship Ring x 1 pcsPayment* Only Paypal is accepted as payment. * Must ship to a confirmed address, otherwise payment will be refunded and I will alert you to the cancellation. * Immediate Payment is required. Terms* Returns are accepted only if the package has not been opened or damaged and the item is returned before 14 days or delivery. * Buyer pays return shipping. FeedbackMy ability to succeed is up to offering the best customer service possible and earning top feedback and star ratings. Please contact me with any issue before leaving feedback and I will do everything possible to assure the optimal outcome.