Power Supply PULSAR HPSB-12V2A-B — buffered switching 12V 2A

Buffered switching power supply PULSAR HPSB-12V2A-B provides a stabilized 12 V DC output with a maximum current of 2 A. Designed for continuous or backup use, this unit combines mains-to-DC conversion with buffering capability to support connected low-voltage devices during short mains interruptions and to charge or maintain a backup battery when required. The compact design and standard terminal connections make it suitable for integration in security system enclosures, access control panels and CCTV installations.

Advantages

The PULSAR HPSB-12V2A-B delivers a stable 12 V output with built-in buffering to reduce the risk of brief power losses affecting connected equipment. Its switching topology ensures efficient mains-to-DC conversion and lower heat generation compared with linear designs. The unit supports battery connection for extended backup and typically includes protective features that help maintain reliable operation of surveillance cameras, control panels and other sensitive electronics.

Suitable for

• Security alarm control panels and sensors
• Access control systems, electronic locks and readers
• CCTV cameras and video recorders with 12 V input
• Low-voltage electronic modules and peripheral devices requiring 12 V/2 A power

Key specifications

• Output voltage: stabilized 12 V DC
• Maximum output current: 2 A
• Buffered operation with battery support for short interruptions
• Switching power supply architecture for improved efficiency
• Standard wiring/terminal connections for integration into system enclosures

How to use

Install the PULSAR HPSB-12V2A-B in accordance with electrical safety standards and the system manufacturer’s mounting guidelines. Connect the AC mains input to the appropriate terminals, observing local wiring rules. Connect the 12 V DC output to the load, observing polarity. If battery backup is required, connect a suitable 12 V lead-acid or compatible standby battery according to the unit’s battery connection instructions and recommended battery specifications. Verify output voltage and proper operation before commissioning connected devices.

Usage recommendations

Place the power supply inside a ventilated enclosure to avoid overheating; ensure batteries are installed in a separate, ventilated compartment if present. Periodically check terminal tightness and battery health to maintain reliable buffered operation.