MEAN WELL SCP-75-12 Enclosed Switching Power Supply
The MEAN WELL SCP-75-12 is a specialized, industrial-grade 74W AC-DC enclosed switching power supply designed with integrated battery charging and security monitoring functions. Delivering a primary 13.8V DC output at up to 5.4A, this unit is engineered for standby power systems, access control systems, and backup battery configurations. Built within a rugged, ventilated metal chassis, it operates efficiently using free air convection cooling and features built-in signal outputs for real-time monitoring of temperature and battery status.
Key Features
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Dual-Purpose Power & Charging: Optimized to supply highly stable DC voltage to electronic loads while simultaneously managing standby battery charging configurations.
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Integrated Battery Monitoring: Equipped with dedicated built-in signal outputs, including a voltage sensor terminal and an NTC thermistor connection for precise battery temperature compensation.
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No-Load Power Efficiency: Features low no-load power consumption, reducing standby energy costs and minimizing system heat dissipation.
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Comprehensive Fault Protections: Outfitted with automatic industrial protection circuits covering short circuits, overloads, over-voltages, and battery polarity protections (via internal fuse link).
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Universal AC Input: Accepts a broad universal AC input voltage range from 85V to 264V AC, making it instantly compatible with global electrical networks.
Technical Specifications
| Feature | Specification |
| Model | SCP-75-12 |
| Brand | MEAN WELL |
| Product Type | Enclosed AC-DC Switching Power Supply with Battery Charger |
| Input Voltage Range | 85 ~ 264V AC / 120 ~ 370V DC |
| Output Voltage (Channel 1) | 13.8V DC (Adjustable from 11.3V to 14.9V via built-in potentiometer) |
| Rated Output Current | 5.4 A |
| Total Rated Output Power | 74.5 W |
| Cooling Method | Free Air Convection / Open Ventilation Mesh |
| Dimensions | 159 mm x 97 mm x 38 mm (L x W x H) |
| Certifications | UL62368-1, TUV EN62368-1, EAC, CE Approved, RoHS Compliant |
Applications
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Security & Access Control Systems: Powering magnetic locks, biometric terminals, and CCTV cameras alongside local battery backup arrays.
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Emergency Back-up Power Supply Systems: Serving as the central charging and power distribution block for backup battery units in server modules.
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Industrial Monitoring Automation: Supplying clean, uninterrupted low-voltage power to telemetry networks, sensors, and field controllers.






