The Allen Bradley 700-ADR is a surge suppressor designed for use with the 700-HN123 relay sockets, supporting voltage ranges from 6 to 220 V DC. This component features an LED and diode configuration to help protect circuits from voltage spikes, ensuring reliable performance in demanding applications. Commonly utilized in HVAC, elevator, and automotive systems, the 700-ADR is compatible with Bulletin 700-HB square base relays, which come with options for either IEC closed terminals or NEMA open terminals. Distributed by BSP Automation, this surge suppressor is available in packages of ten, making it a practical choice for industrial automation setups requiring consistent surge protection.