SK-5210 Zone Expander for Silent Knight 5207 Fire Alarm control panel
![SK_5210_Zone_Expander_for_Silent_Knight_5207_Fire_Alarm_control_panel_01_qzt](https://firealertcontrolboard.com/wp-content/pictures/SK_5210_Zone_Expander_for_Silent_Knight_5207_Fire_Alarm_control_panel_01_qzt.jpg)
Silent Knight Sk-5210 zone expander card for the SK-5207 fire alarm panel. Card was in good working condition at time of removal for system replacement. Also have the aluminum mounting plate that goes over the power supply.