Product Overview The Vertiv NetSure 531 A32 is a high-performance rack-mounted embedded DC power subrack developed by Vertiv (formerly E merso n). It is configured with R48-2000e3 high-efficiency rectifier modules and M221S/M830B monitoring controllers, supporting up to 3 × 2000W rectifiers for a total power of 6KW and a maximum output current of 200A. The system features an ultra-wide AC input range of 85~300VAC (nominal 200~250VAC, 50/60Hz), adapting to unstable municipal