Alarm Dialer Plug-In Surge Protector Telephone

DITEK's MRJ31XSCPWP protects fire and security system dialer circuits. This point of use surge protector can be easily installed in-line. Resettable fusing, overcurrent protection, and overvoltage protection make the MRJ31X effective monitoring system surge protection. SPD (surge protection device) unit comes with RJ31X patch cord. 
Features & Benefits:
• Protects dialer circuits
• RJ31X connection with external grounding screw
• Multi-stage, hybrid design provides the best possible protection
• Automatic reset to protect against repeated surges
DTK-MRJ31XSCPWP Product Specification Sheet
DTK-MRJ31XSCPWP Installation Instructions 
10 Year Manufacturer's Limited Warranty Information