Buffer Power Supply DRC-100A Mean Well

The Mean Well DRC-100A is a professional buffer power supply designed for DIN rail mounting, providing a stable 13.8 VDC output with integrated battery charging capability. Ideal for security, fire alarm, and access control systems, it ensures uninterrupted operation by maintaining a float charge for lead-acid batteries.

Advantages

Integrated battery charger with 2A charging current; wide input voltage range (90~264 VAC); comprehensive protections including short circuit, overload, over voltage, and battery reverse polarity; alarm signals for DC OK, battery low, and battery fail; high efficiency up to 89%; free air convection cooling for silent operation.

Suitable for

• Security and fire alarm systems
• Access control and CCTV systems
• Industrial automation and control panels
• Emergency lighting and backup power applications

Key specifications

• Input: 90~264 VAC / 127~370 VDC
• Main Output: 13.8 VDC, 7A (96.6W)
• Battery Charger: 13.8 VDC, 2A (float charge)
• Battery Compatibility: Lead-acid (Gel, AGM, Flooded)
• Efficiency: 89%
• Operating Temperature: -30~+70°C
• Mounting: DIN Rail TS-35/7.5 or TS-35/15
• Protections: Short circuit, overload, over voltage, battery reverse polarity
• Alarm Signals: DC OK, Battery Low, Battery Fail (relay contact)
• Cooling: Free air convection
• Isolation: I/P-O/P 3KVAC, I/P-FG 2KVAC, O/P-FG 0.5KVAC
• Compliance: UL60950-1, TUV EN60950-1, CE

Recommendations

For optimal performance, use with a compatible lead-acid battery (Gel, AGM, or Flooded) and ensure proper ventilation. The DRC-100A is a reliable choice for critical backup power applications.