We are pleased to introduce our SCB series backup protector for SPD as a reliable solution to safeguard your electronic devices in case of voltage spikes or surges. As a factory, we take quality seriously and ensure that our products are built with high-grade materials and advanced technology to deliver superior protection. This backup protector can support up to eight surge protection devices and comes with redundant relays for added safety. It is easy to install and offers reliable backup power to ensure uninterrupted operation of your devices. Trust us to provide you with high-quality products that meet your protection needs.