The 12V Relay Base from Apollo Fire Detectors Ltd. allows the company's Series 65 range of commercial-standard smoke and heat detectors to be easily incorporated into 12V home security installations. The base uses a single volt-free changeover contact, and can operate over a range of 9V — 15V DC, making it ideal for use in 12V applications such as non-latching security systems. In order to operate, the base requires a Series 65 detector. Options from this range include the Optical and lonisation smoke detectors, and various Heat detectors. A jumper on the base's PCB can be set to 'latching' for fire systems, and 'non-latching' for security systems. In latching mode, an alarm state will continue until it is manually reset, whereas in the non-latching mode it will automatically reset both the base and the detector in order to integrate with a security system.
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