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Emerson R48-2000e3 Rectifier

Emerson R48-2000e3 Rectifier Module


Emerson Rectifier Module R48-2000e3 Supply


AC InputVoltage :85 VAC to 300 VAC (see figure 1),

                           187 VAC to 264 VAC (nominal)

Frequency 45 Hz to 65 Hz

Maximum Current 12 A

Power Factor >0.99 from 50 to 100% load


High and low voltage protection, surge and lightning protection

Adapts to poor quality grid (voltage dip, weak mains)

Disconnection at 415 VAC

Mains fuses in both lines

DC Output Voltage -42 VDC to -58 VDC

Maximum Power 2000 W

Maximum Current 42 A @ -48 VDC, limit set point 0 to 42 A (see figure 2)Peak Efficiency 96.2%


Fuse for reverse connection and back feeding protection

High voltage shutdown

High temperature protection

Control and Monitoring

Converter Alarm and Signaling Alarm and status reported via CAN bus to system controller

Visual Indications

Green LED: Normal Operation

Yellow LED: Alarm

Red LED: Failure


Operating -40°C to 80°C / -40°F to +176°F (see figure 3 for derating)

Temperature Derating

Full output power up to +65°C at input voltage range 200 to 250 VAC

(see figure 3)

Storage -40°C to +70°C / -40°F to +158°F

Relative Humidity 0 to 95%

Altitude Full output power up to +65°C at input voltage range @200~ 250 VAC

Standards Compliance

Safety 60950-1 (EN, IEC and UL)


EN55022, CISPR22, ETSI EN300 286: 2005, FCC CFR 47 Part 15,

Telcordia GR-1089-CORE issue 6 (Class B conducted and radiated)

Environment REACH, RoHS, WEEE


Dimensions: (H x W x D) 41 x 84.5 x 252.5 (mm) / 1.61 x 3.33 x 9.94 (inches)

Weight :1.13 kg / 2.49 lbs




Contact: Sam Chan

Phone: +86-130 5858 3139

E-mail: power@48vrectifier.com


Add: Dongcheng Middle Road, Guancheng District, Dongguan City, Guangdong, 523000, China