Siemens PSC-12 FireFinder Power Supply 12A 24VDC Charger This item is used and untested. There are signs of wear and tear. Please see photos for what you see is what you will receive. The Siemens PSC-12 is a high current power supply and integrated battery charger module designed for the FireFinder-XLS and Desigo Fire Safety Modular panel systems. It provides a regulated 24VDC output up to 12A during alarms, and supports battery charging for sealed lead-acid batteries up to 100Ah. The module communicates power, charging, and fault status information to the operator interface, and features addressable setup, programmable relays, and full ground-fault supervision. This unit is used and untested, making it ideal for service providers or system techs seeking a spare or for repair purposes. It installs in standard system enclosures and is capable of supporting large-scale fire alarm applications. Item Specifics: Brand: Siemens Model: PSC-12 (P/N 500-033340) Type: High current power supply battery charger module Condition: Used, untested Output: 24VDC, total output 12A (Alarm), 5A (Standby) Features: Built-in charger for up to 100Ah batteries Microprocessor-controlled, addressable module Four programmable Form C relays (2A each) Communicates with system operator interface for full diagnostics (charging, fault, loading info) Two separate output terminals: one power limited (4A max) and one non-power limited (12A max) Automatic transfer to standby batteries during AC loss Diagnostic LEDs for quick status checks Ground-fault detection and auto-resettable output protection Application: Compatible with Siemens FireFinder-XLS and Desigo Fire Safety Modular system enclosures SHELF: 16 AP