Low Voltage, Miniature Air Circuit Breaker With Solar Energy Switch, 250V, 63A. Product Details MAIN FUNCTION: Used to protect an electrical circuit from damage caused by excess current resulting from an overload or short circuit. PRACTICALITY: Fast Closing to ensure reliable operation of the load and prolong the life of electrical circuit breakers. EASY TO USE: Low-voltage miniature air circuit breaker is easy and reliable to use, which supports short circuit protection, overload protection. RATED CURRENTt: 16A/32A/63A(Optional) WIDE APPLICATION: Widely used for solar panels grid system, wind and solar hybrid system and many other DC systems Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.