The CSD-DR120A-48 is a 120W DIN rail-mounted DC-DC converter from MEAN WELL. It delivers a stable 48VDC output at 2.5A from a wide input range, with reinforced 4KVDC isolation and fanless design. Engineered for industrial and railway applications, it operates reliably across -40 Degree C to +70 Degree C and supports up to 150% peak load for demanding systems.