Introducing our high-performance {SCB series backup protector for SPD}, designed to safeguard your electronic devices against power surges and transients. As a factory committed to delivering top-notch protection, our product ensures uninterrupted power supply by seamlessly switching to an alternative power source when the primary power fails. With advanced circuitry and efficient design, this backup protector provides reliable overvoltage protection, preventing costly damages to your valuable equipment. Trust our factory's expertise for quality, durability, and peace of mind.