The D321A and D336A Analog Detector Bases are compatible with Bosch D8024, D9024, and D10024 Analog Fire Alarm Control Panels. These detectors can be installed in either a Class A (4-wire) or a Class B (2-wire) analog polling circuit. The D321A and D336A Analog Detector Bases are compatible with Bosch D322A Analog Heat, D323A Analog Photoelectric Smoke, and D324A Analog Ionization Smoke detectors. D321A-6 and D336A-4 Analog Detector Bases Low profile detector bases Modular design Easy head removal for cleaning and servicing Advanced analog communication protocol 6 in. (15 cm) diameter base for the D321A; 4 in. (10 cm) diameter base for the D336A Data In and Out terminals provided
	The D322A Heat Detector is a heat sensing device used in the analog polling circuit of Bosch D8024, D9024 and D10024 Fire Alarm Control Panels. It has an eight-bit microprocessor and communicates with the panel (both power and data) over a 2-wire polling circuit. D322A Analog Heat Detector Head Addressable Advanced digital communications protocol Digital data communications and power provided over 2-wire circuit Mounts on a low-profile analog detector base Easy head removal for cleaning and servicing Can be mounted to 4 in. (10 cm) or 6 in. (15 cm) bases
	The D323A Analog Photoelectric Smoke Detector Head is compatible with D8024 and D10024A Fire Alarm Control Panels. D323A Analog Photoelectric Smoke Detector Head Address is electronically set using the D5070 programmer Low profile photoelectric For use with D321A and D336A bases
	The D324A Analog Ionization Smoke Detector is an addressable device used in the analog polling circuit of Bosch D8024, D9024 and D10024 Fire Alarm Control Panels. It has an eight-bit microprocessor and communicates with the panel (both power and data) over a 2-wire polling circuit. D324A Analog Ionization Smoke Detector Head Addressable Advanced digital communications protocol Digital data communications and power provided over a 2-wire circuit Mounts on a low profile analog detector base Easy head removal for cleaning and servicing Can be mounted to 4 in. (10 cm) or 6 in. (15 cm) bases
	Accessories and Supplies These analog detectors have a full range of accessories and supplies available to complete your solution, including: Manual Station Point Contact Modules   Relay Modules   Duct Smoke Detectors Circuit Fault Isolators Mini-Point Contact Modules Device Programmers