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

Supported Wi-Fi Standards: 802

such as the LiftMaster 312HM

Lock Output: Maglock support through NC and COM terminals

Motor Power: 220 W

this arm delivers powerful

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