Buffered switch-mode power supply Grade 2, HPSG2 27.6V/5A/2x40Ah HPSG2-24V5A-D

Buffered switch-mode power supply – reliable power supply for security systems

This Grade 2 buffered switch-mode power supply, with a voltage of 27.6V and a current of 5A, is a key element of alarm and access control systems. It ensures continuous power supply for devices requiring a stable DC voltage, such as alarm control panels, card readers and control modules. The design with two 40Ah batteries guarantees long-term backup operation in the event of a mains power failure.

Construction and application

The HPSG2-24V5A-D power supply is designed to operate in systems requiring high reliability. Its switch-mode design ensures efficient energy use, and the housing with dimensions of 460 x 390 x 173+14 mm allows for easy mounting in rack cabinets or security system enclosures. It is designed to work with devices operating at 13.8V or 27.6V DC (with a tolerance of ±15%). This makes it a universal solution for installers and end users.

Key features and benefits

• Compliance with standards: meets the requirements of EN50131-6:2017 and EN60839-11:2013 standards in Grade 1, 2 and II environmental classes – this confirms its quality and reliability in critical applications.
• Buffering and battery operation: ensures uninterrupted power supply to devices even during power outages. Automatically switches to battery power, maintaining a stable output voltage.
• Battery protection: UVP (under-voltage) deep discharge protection protects batteries from damage, extending their lifespan.
• Protections: equipped with overload (OLP), overvoltage (OVP) and short-circuit (SCP) protection, which minimizes the risk of damage to connected devices and the power supply itself.
• Efficiency: current consumption during battery operation is only 30-50mA, allowing for long-term backup operation.
• Technical outputs: has a relay output with parameters of 1A@30V DC / 50V AC, which can be used to signal the power supply status or other events.
• Universal input voltage: Accepts an input voltage of ~200 - 240 V, which simplifies installation in various locations.
• Two batteries: Two 40Ah batteries provide longer backup time than solutions with a single battery.

The HPSG2-24V5A-D power supply is a solid and reliable solution for professional security system installers and users looking for a proven power source for their devices.