High-Performance DC Inverter | 6SE7021-8TB71-Z Siemens

We have a large warehouse, which allows us to keep a significant stock of industrial automation parts. As a result, the majority of the parts we offer are readily available and in stock, enabling us to provide fast delivery to meet your urgent needs. This helps reduce your downtime and ensures your operations run smoothly.

Typically, once you place an order with our sales team, for in-stock parts, we will ship within 1-3 business days.

For parts that are rare, discontinued, or no longer produced by manufacturers, you can rely on NexAuto’s strong procurement capabilities. With over 15 years of experience and a robust supplier network, we can ensure that even hard-to-find parts are quickly sourced and shipped to you, typically within 2 - 4 weeks.

Return & Refund Policy

We want you to be fully satisfied with your purchase from www.nex-auto.com. If you're not happy with your order, you can return it within 30 days from the order date for a full refund, excluding shipping and handling charges. The item must be in its original, unused, and unopened condition with all packaging, paperwork, and accessories. Only in-stock items are eligible for the 30-Day Money Back Guarantee. Customers are responsible for return shipping fees.

We are confident in the quality of our products, as they are 100% original and genuine. If you're not completely satisfied, please contact us at sales@nex-auto.com or call +86 15392429628.

Warranty Policy

All products sold by NexAuto are covered by a 12-month warranty from the date of purchase, subject to terms and conditions. If any item is found defective within this period, it will be repaired or replaced at no additional cost. The warranty does not cover damages caused by misuse, mishandling, or improper installation.

For warranty claims, please contact us at sales@nex-auto.com or call +86 15392429628.