ATTE AUPS-40-120-XL1 Buffer SMPS Power Supply 12V 3.5A 40W

The ATTE AUPS-40-120-XL1 is a high-quality buffer switched-mode power supply (SMPS) designed for reliable power backup and continuous operation in security and automation systems. With an output of 12V DC and 3.5A (40W), it ensures stable power delivery to connected devices while maintaining a built-in battery charger for lead-acid batteries up to 17Ah. Ideal for CCTV, access control, and alarm systems, this power supply offers comprehensive protection features and easy wall-mount installation.

Advantages

This buffer power supply provides uninterrupted power by automatically switching to battery backup during mains failure. Its metal enclosure ensures durability and heat dissipation, while the three LED indicators (AC, DC, Battery) offer clear status monitoring. The unit supports both 7Ah and 17Ah batteries, making it versatile for various backup requirements.

Suitable for

• CCTV systems
• Access control systems
• Alarm and security systems
• Any 12V DC application requiring battery backup

Key specifications

• Output Voltage: 12V DC
• Output Current: 3.5A
• Output Power: 40W
• Input Voltage: 170-260V AC, 50/60Hz
• Battery Charging Current: 0.5A
• Supported Battery: 12V Lead-Acid, 7Ah / 17Ah
• Protection: SCP, OLP, OVP, UVP, OCP
• Efficiency: Approx. 80%
• Operating Temperature: -10°C to 40°C
• Enclosure Material: Metal
• Mounting: Surface (Wall-mountable)
• Connection: Screw Terminals
• Indicators: 3x LED (AC, DC, Battery)

Recommendations

For optimal performance, use a compatible 12V lead-acid battery (7Ah or 17Ah) and ensure proper ventilation during installation. This power supply is designed for indoor use only.