Description The Simplex 4100-1312 is a discontinued Analog Flex 50W Amplifier with three Class B NACs at 25V RMS. Designed for use with Simplex 4100 fire alarm systems, it provides supervised audio power for speaker circuits with constant monitoring. Technical Specifications Condition New/Never Used Surplus Brand Simplex Category Servo Products Part Number 4100-1312 Subcategory Servo Drive/Servo Control Function Analog Flex 50W amplifier with 3 Class B NACs Compatible Systems Simplex 4100 Fire Alarm Systems Output Power 50 W at 25V RMS NAC Circuits 3 Class B Supervisory Current 425 mA (supervised), 85 mA (low power mode) Alarm Current 5.55 A (continuous horn), 2.27 A (temporal pattern) Channel Capability Dual-channel with backup Supervision Constant supervision of power and circuits Mounting Type Internal 4100ES cabinet slot installation Status Discontinued by Manufacturer Use Case Legacy fire alarm audio amplification Weight 8.90 lbs Information About 4100-1312 The 4100-1312 is part of the Simplex Flex series of amplifiers, specifically the Flex-50 model capable of delivering 50 watts of supervised audio power. It supports three Class B Notification Appliance Circuits (NACs) operating at 25V RMS and is continuously monitored for system reliability. Functionally, the Flex-50 amplifier provides dual-channel capability with internal backup, ensuring uninterrupted alarm signaling. Although discontinued, the 4100-1312 remains a vital service component for maintaining legacy Simplex 4100 fire alarm installations. Key Features: 50W Amplifier Output: Supplies supervised audio power to speaker circuits. 3 Class B NACs: Supports three notification appliance circuits at 25V RMS. Analog Flex Series: Part of the Simplex Flex-50 amplifier line. Dual-Channel Capability: Provides two independent audio channels. Internal Backup: Ensures continuous operation during primary channel failure. Constant Supervision: Continuous monitoring of amplifier and NAC status. Configurable Loads: Supports various load configurations within rated limits. Fire Alarm Integration: Designed for Simplex 4100 series fire alarm systems. Discontinued Unit: No longer manufactured but essential for legacy maintenance. The 4100-1312 delivers the reliability and precision required for supervised fire alarm audio distribution.
