Battery charger system for high battery capacity 72H

Overall, the MA‑CHR‑72 Battery Charger Assembly delivers a dependable, scalable, and safety‑compliant power platform, ideal for large‑capacity fire detection systems requiring long‑duration backup, enhanced charging intelligence, and seamless system integration.

• The MA‑CHR‑72 Battery Charger Assembly is a high‑performance power management solution. Purpose‑built to accommodate higher‑capacity batteries than those housed within the standard MA‑8000 enclosure, this charger system ensures extended operational autonomy, superior reliability, and seamless integration with the MA‑8000 control unit chassis.Mechanically, the assembly is designed for straightforward wall mounting within the MA‑8000 chassis, featuring a durable IP30‑rated enclosure. The system operates reliably across a wide environmental range (‑5°C to +40°C), with reinforced earthing provisions and comprehensive wiring safeguards to meet professional installation standards.

• Designed and certified in accordance with EN 54‑2 and EN 54‑4, the MA‑CHR‑72 delivers robust compliance with stringent safety, performance, and reliability requirements. Its advanced charging circuitry provides a regulated 27.5 VDC, 4.20 A output with automatic temperature compensation, optimizing battery lifespan while ensuring rapid and consistent charging cycles. The system supports two 12 V, 104 Ah batteries, offering significant reserve capacity for mission‑critical installation