Simplex 4006-9121 Conventional fire alarm control panel

The Simplex 4006-9121 Conventional Fire Alarm Control Panel is a wall-mounted fire alarm control unit designed to monitor initiating devices and control notification appliances in commercial and institutional fire protection systems. It features a red cabinet with a door-mounted 24-LED annunciator that provides visual indication of system conditions. The panel includes five Class B initiating device circuits, with optional expansion to support up to ten zones, and two notification appliance circuits configurable for Class A or Class B operation. Its 3-amp, 24 VDC power supply includes a battery charger and supports compatible standby batteries. An onboard digital alarm communicator transmitter supports reporting to compatible monitoring services. Additional capabilities include programmable alarm responses, system status and trouble indication, walk test functions, and optional expansion modules for additional circuits and relays. The 4006-9121 is intended for use with compatible conventional fire alarm devices and must be installed, programmed, and tested in accordance with applicable fire codes and manufacturer instructions.