The ELK-951 is an RJ31/38X Telephone Jack containing solid state transient suppression designed to protect the Telephone inputs on an alarm control. It responds to power surges and transients in less...
The ELK-950 is an RJ31/38X Telephone Jack containing solid state transient suppression designed to protect both the Telephone and Low Voltage AC Transformer inputs on an alarm control. It responds to...