ETP48400-C6A3 400A power converter with 7xR4850G2 1xSMU02B 1xUIM02C 1xS4850G1

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6U height composed by 7xR4850G2 1xSMU02B 1xUIM02C 1xS4850G1

Maximum current: 400 A

Wide voltage range of 85–300 V AC in the case of 220 V AC input

Wide voltage range of 58–150 V DC in the case of solar power input

Network application over a fast Ethernet (FE) port and an RS485/RS232 port

Supports Simple Network Management Protocol (SNMP)

Liquid crystal display (LCD) and Web user interface (WebUI) for display and operations

Display in multiple optional languages, such as English, Chinese, Italian, French, Spanish, Portuguese, Russian, German, and Turkish


The ETP48400-C6A3 is an embedded telecom power system that supplies power to -48 V DC communications equipment with a maximum current of 400 A, supplies power to Huawei OSN8800 OSN3500 MA5800, and provides excellent performance such as comprehensive battery management, remote software upgrade, etc.

Tech Specs
Technical Specifications
Operating temperature -40°C to +65°C
Transport temperature -40°C to +70°C
Storage temperature -40°C to +70°C
Operating humidity 5%–95% RH (non-condensing)
Storage humidity 5%–95% RH (non-condensing)
Altitude 0 m to 4000 m
(When the altitude ranges from 2000 m to 4000 m, the operating temperature decreases by 1°C for each additional 200 m.)
AC input Input system DC input (SSU); 220 V AC single-phase input (rectifier)
Input frequency 45–66 Hz (rated frequency: 50 Hz or 60 Hz)
Power factor (PF) ≥ 0.99 (rated input and load)
DC output Output voltage range –42 V DC to –58 V DC
Default output voltage –53.5 V DC
Maximum output power 21,000 W (only AC input)
24,000 W (AC input and PV input)
Regulated voltage precision ≤ ±1% (output voltage of within 53.5 V ±0.1 V at 50% load)
Peak-to-peak noise voltage ≤ 200 mV (rated input voltage and load)
Psophometrically weighted noise ≤ 2 mV (300–3400 Hz; input power ≤ 264 V AC)
Current sharing imbalance ≤ ±5% (50%–100% load)
AC input protection AC input overvoltage protection threshold ≥ 300 V AC
AC input overvoltage recovery threshold 290–300 V AC
AC input undervoltage protection threshold ≤ 80 V AC
AC input undervoltage recovery threshold 80–90 V AC
DC output protection DC output overvoltage protection threshold –58.5 V DC to –60.5 V DC
If overvoltage occurs due to an internal fault, the rectifier locks out.
If the external voltage is greater than –63 V DC for more than 500 ms, the rectifier locks out.
DC surge protection Differential mode: 10 kA (8/20 μs); common mode: 20 kA (8/20 μs)
Safety IEC/EN60950-1/GB 4943 and CE certification
Mean time between failures (MTBF) 200,000 hours (at 25°C)
Power system dimensions (H x W x D) 263.9 mm x 482 mm x 330 mm
Weight ≤ 25 kg (excluding modules)
Protection level IP20
Installation mode Installed in a 19-inch rack
Cabling Routed in and out from the top
Maintenance mode Maintained from the front
Heat dissipation mode Natural heat dissipation
Power Distribution Specifications
Input system DC input (SSU); 220 V AC single-phase input (rectifier)
Input power distribution AC input: six UT-6 terminals
DC input: one 1-pole 63 A circuit breaker and one UT-16 terminal
Output power distribution BLVD route: three 1-pole 100 A circuit breakers
LLVD route: three 1-pole 100 A circuit breakers
Battery route Four 1-pole 125 A circuit breakers
System Configurations
Application environment Indoor Class B
Subrack 3 U power distribution space
1 U SMU space
2 U rectifier and SSU space
Power distribution unit (PDU) Input power distribution: DC input circuit breaker and terminal for the SSU; AC input terminals for rectifiers
Output power distribution: battery low voltage disconnection (BLVD) route, load low voltage disconnection (LLVD) route, and battery route
SSU One S4850G1
Rectifier A maximum of seven R4850N2s, R4850G2s or R4850S1s
User interface module (UIM) UIM02C
Surge protective device (SPD) DC surge protection. Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs)
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