Power supply for fire protection systems EN54C 27.6V/3A/2x17Ah/LCD EN54C-3A17LCD

Fire alarm system power supply – reliable power in critical situations

This advanced buffer power supply, with a voltage of 27.6V DC and a current of 3A, is designed to provide uninterrupted power to fire alarm and smoke extraction systems. Its design, compliant with EN54-4 standard, guarantees high reliability and safety of operation. The power supply is ideal for both professional security system installers and end-users looking for a solid solution to protect their property.

Design and functionality

The power supply is characterized by a solid metal housing (DC01 sheet metal, 1mm, RAL3001 – red) and an IP30 degree of protection. Inside there are two places for 17Ah/12V batteries (AGM or gel), which ensures long-lasting backup power in the event of a mains failure. The current efficiency is 2.2A in continuous operation and 3A in momentary operation. The built-in LCD display makes it easy to monitor the device status and operating parameters. Additionally, the power supply has independently protected AUX1 and AUX2 outputs.

Safety and compliance with standards

Safety is a priority – the device is equipped with a number of protections: SCP (short-circuit protection), OLP (overload protection), OVP (overvoltage protection), UVP (over-discharge protection of batteries) and tamper (against opening the housing). The power supply meets the requirements of PN-EN 54-4 and PN-EN 12101-10 standards, confirmed by the certificate of conformity CNBOP-PIB No. 1438-CPR-0628 and the CNBOP-PIB approval certificate No. 3501/2019.

Additional features and capabilities

• High efficiency: up to 89%, which translates into energy savings.
• Microprocessor control: provides complete diagnostics of the power supply and battery operation.
• Two-phase battery charging process: extends their lifespan.
• Automatic temperature compensation: optimizes battery charging in various temperature conditions.
• Technical outputs: EPS (AC mains failure signal) and ALARM (collective failure signal).
• Technical input: EXTi (external failure).
• Remote monitoring capability: optional via Ethernet or RS485 (requires appropriate modules).
• Low current consumption by the power supply circuits: maximum 64mA.
• Dimensions: 385 x 402 x 88 mm (+/-2 mm), distance from the ground: 8 mm.