DoorKing 1877-010 Telephone Line Surge Suppressor sprocket Supported Wi-Fi Standards: 802

Supported Wi-Fi Standards: 802

Includes two 12V 7

146 cycles / 24-day standby

this arm delivers powerful

Always verify compatibility using your operator manual or parts diagram before purchasing to ensure the proper replacement part

DoorKing 1877-010 Telephone Line Surge Suppressor sprocket Supported Wi-Fi Standards: 802Telephone Line Surge Suppressor for DoorKing Systems The DoorKing 1877 010 Telephone Line Surge Suppressor provides critical protection against voltage spikes and surges that can damage telephone entry and access control systems. Designed for use with DoorKing telephone based controllers, it safeguards communication lines by filtering and grounding transient surges caused by lightning or power fluctuations. Key Features Genuine DoorKing surge