Huawei ETP48100-B1-50A | Power supply | 100-240V to 48V DC, max
Huawei ETP48100-B1-50A | Power supply | 100-240V to 48V DC, max 50A with PMU11A

Huawei ETP48100-B1-50A | Power supply | 100-240V to 48V DC, max 50A with PMU11A

CODE: ETP48100 50A / EAN: 5903148915296
225,91 GBP with VAT
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DC power system

Huawei ETP48100-B1-50A is a modular AC/DC converter with as many as 4 power inputs, each with MAX 25 A. It is capable of converting 220 V / 110 V AC power to -48 V DC power. The device has two R850G2, making its total output power can be 100 A. Huawei ETP48100-B1-50A has many protections, so the rectifiers show very high efficiency.

Huawei ETP48100-B1-50A 1U, 48V, 1x50a modular AC/DC converter.
Huawei ETP48100-B1

Modern functionality

The Huawei ETP48100-B1-50A has a wide input voltage range of 100V - 240V. In addition, it also features a wide operating temperature range from -40°C to 75°C, making it suitable for use in almost any conditions. Easy installation and maintenance is conditioned by the possibility of hot exchange of rectifier blocks. The design of the device is very versatile and has a wide range of applications, plus it is very well thought out, which guarantees space saving. The device is also characterized by a remarkable efficiency of the rectifier (>96%), which saves electricity in an ecological way. In addition, the Huawei ETP48100-B1-50A has ambient temperature monitoringsupport.

The ETP48100-B1 is designed to convert 220V public grid to -48V constant voltage. The ability to use two internal power supplies provides up to 100A output current of -48V. all functional units have a standard 1U size and can be installed in a 19" rack or cabinet.
Huawei ETP48100-B1

Main features

  • Wide input voltage range (100V to 240V)
  • Wide operating temperature range (from -40°C to +75°C)
  • Hot-swappable rectifier blocks for easy installation and maintenance
  • The standard design is ideal for a variety of applications
  • Compact design, saves space and packaging costs
  • High efficiency of the charger (>96%) saves electricity
  • Support for ambient temperature monitoring


Voltage 85 - 300 V AC
Frequency 45 - 65 Hz
Nominal input current < 17 A
Power factor > 0,99
THD < 5%
Voltage 42 - 58 V DC
Default value: 53.5 V DC
Maximum power 2400 W at 48 V
(up to 2900 W at 58 V)
Environmental features
Permissible operating temperature From -40 to 75 °C
Permissible storage temperature From -40 to 75 °C
Permissible air humidity 5%-95% non-condensing
Protection (rectifier)
Overvoltage (input) > 300 V AC
Undervoltage (input) < 80 V AC
Overvoltage (output) 58.5 - 60.5 V DC (to be set in PMU)
Short circuit proof (output) Yes
Against too high a temperature > 75 °C
Certificates (charger)
Security TUV, CE, UL
CAN/CSA C22.2 No. 60950-1
EMC EN55022 class B
ETSI EN300 386
ETSI EN301489
ITU-T K.20
Protection against discharges YD 5098-2005 5KA
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