Siemens PSC-12 FireFinder XLS Power Supply (MPN: 500-033340-38)
The Siemens PSC-12 is a high capacity microprocessor-controlled power supply module intended exclusively for use with the sophisticated FireFinder XLS fire alarm control panel systems. It is the major power muscle of the system, taking the main AC input and converting it to regulated DC voltage, keeping your vital fire detection, alarms and emergency evacuation networks live when it matters most.
The Siemens PSC-12 (Model 500-033340-38) is designed to provide a dependable power source for the system while simultaneously monitoring the state of the emergency reserve battery and assuring complete reliability. Intelligent Charging Circuitry: Rapid recovery after a power outage. Protection against overcharging your cells. The power supply module is designed for heavy-duty applications and conforms with the most demanding safety rules, making it a solid basis for big commercial complexes, specialist industrial centers and marine installations requiring uncompromised system uptime.
Model Identification:
- Brand: Siemens
- Model Number: PSC-12
- Manufacturer Part Number: 500-033340-38 / S54430-B4-A1
- Compatibility: Siemens FireFinder XLS Control Panels
- Country of Origin: Germany

Features
- Smart-Charging System: The intelligent microprocessor-control of the charging process prevents battery degradation to get the maximum lifespan out of the emergency backup lead-acid batteries.
- Dual Voltage Architecture: Provides stable 24VDC for internal system modules and auxiliary devices at the same time, maintaining field components powered cleanly.
- Real-time detection of ground faults, AC power loss, brownouts, and deteriorated or disconnected battery banks.
- Universal Input Flexibility Auto-switches and accepts different local and international main voltages without manual tap settings.
- High Amperage Capabilty: Provides up to 12 Amps of filtered power to meet the large loop current requirements of large Notification Appliance Circuits (NACs).
Specifications
| Parameter | Specifications |
|---|---|
| Primary Input Voltage | 120VAC / 240VAC (+10% / -15%), 50/60Hz |
| Maximum Current Rating | 12 Amps total output |
| Output Voltage | Regulated 24VDC |
| Battery Charger Capacity | 15AH up to 100AH backup batteries |
| Mounting Configuration | Plugs directly into the FireFinder XLS enclosure chassis |
| Operating Temperature | 32°F to 120°F (0°C to 49°C) |
Where to Use?
- Commercial & Marine Fire Alarm Systems
- Emergency Notification Systems
- Industrial Process Controls
30 DAYS RETURN POLICY
RETURNS ACCEPTED IN 30 DAYS. BUYER PAYS THE SHIPPING CHARGES. RESTOCKING FEES 20%.
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