Apollo Series 65 End-of-Line Relay Base - 24V (45681-248APO)
The Apollo Series 65 End-of-Line Relay Base - 24V (45681-248APO) is intended for use with four-wire circuits and features 2 sets of changeover contacts and a power supervision relay.

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Detector locking mechanism
One way fit
Easy to wire
Contains an earth connector
Wide operating voltage
Wide operating and storage temperature.
Benefits:
Can be used on security systems
Electrically and mechanically compatible with Series 60
Proven detection performance.