
Schneider Electric – SP‑PSU‑8A – Security Expert 12 V 8 A Power Supply Module
The Schneider Electric SP‑PSU‑8A is a dedicated power supply module from the EcoStruxure Security Expert series, designed to deliver reliable 12 V DC power for security and access control systems. It includes processor‑controlled battery charging and monitoring, compact DIN‑rail mounting, and extensive diagnostic feedback—ensuring continuous operation of critical security components.
Key Features:
Model: SP‑PSU‑8A
Brand: Schneider Electric (EcoStruxure Security Expert)
Output: 12 V DC, 7.5–8 A total across two outputs (V1+V2 combined/individual)
Battery Backup: Supports two 12 V 7 Ah gel batteries; automatic charging at 500 mA, with low‑voltage disconnect/reconnect thresholds (≈10.5 V / 11.5 V)
AC Input: 90–264 VAC, 47–63 Hz; typical input current 2.5 A @120 VAC
Diagnostics: Processor‑controlled battery testing, AC mains and charger monitoring; LEDs for power, fault, battery, CPU temperature, output current, and battery status
Interface & Outputs: RS‑485 communications; includes 2 Form B relay outputs (≤50 mA each) for status or control
Mounting & Housing: DIN‑rail enclosure (156.8 × 90 × 60 mm, 440 g); Black casing with 70% recycled cardboard packaging