The Series 65 Diode Base is designed for use with conventional systems that have manual call points and detector bases on the same circuit. The base is fitted with a schottky diode on the "L1 IN" and "L1 OUT" wiring terminals. This base can only be used with compatible control equipment.

• Detector locking mechanism
• One way fit
• Easy to wire
• Contains an earth connector
• Continues to work during unauthorised removal of detectors