ETP48400-C4B1 400A power converter with 6xR4875G5 1xSMU02C 1xUIM05D1

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4U height composed by 6xR4875G5 1xSMU02C 1xUIM05D1

Maximum output power: 24 kW

Supports AIU03-63C, AIU03-63D and AIU02-125B as AC input module

Supports AOU03-16C, iAOU03-16B as AC output module

LLVD: 2 x 125 A/1P, 3 x 63 A/1P

BLVD: 5 x 63 A/1P, 4 x 32 A/1P

Site monitoring unit: SMU02C, supports WebUI after installing a specific WiFi module using its USB port

User interface module: UIM05D1

Rectifier: R4850G2/R4850G5/R4875G5/R4850S5/R4850G6

(Optional) Communications expansion module: NIM01C3 or CIM02C

(Optional) Intelligent power distribution unit: iDMU48-300B-17A or iDMU48-300B-17B


The ETP48400-C4B1 is an embedded power system that converts AC power into DC power. It supplies –48 V and –57 V constant voltage to equipment. The maximum capacity of the ETP48400-C4B1 is 24 kW. It can be used at newly built sites and capacity expansion and reconstruction scenarios of existing sites.

Tech Specs
Technical Specifications
Environmental specifications Operating temperature –40°C to +65°C
(When the ambient temperature ranges from –33°C to +55°C, the power system works properly. When the ambient temperature ranges from 55°C to 65°C, the output power linearly derates by 20%. When the ambient temperature is –40°C, the power system can start properly after the AC power supply is connected. There is no requirement on the output voltage waveform at startup.)
Transport temperature –40°C to +70°C
Storage temperature –40°C to +70°C
Operating humidity 5%–95% RH (non-condensing)
Transportation humidity 5%–95% RH (non-condensing)
Storage humidity 5%–95% RH (non-condensing)
Altitude 0–4000 m
When the altitude ranges from 2000 m to 4000 m, high temperature derating applies and the operating temperature decreases by 1°C for each additional 200 m.
Others There is no conductive dust, corrosive gas, or explosion hazard.
Dust, corrosive substances, pests, molds, and other indicators should be controlled in accordance with Class 3.1 requirements in ETSI EN 300 019-1-3 (V2.3.2 or a later version).
AC input Input frequency 45–66 Hz; rated frequency: 50 Hz/60 Hz
Power factor ≥ 0.99 (rated voltage input, 50%–100% load)
DC output Output voltage range 48 V mode: –42 V DC to –58 V DC (–53.5 V DC by default)
57 V mode: –48 V DC to –57 V DC (–57 V DC by default)
Regulated voltage precision ≤ ±1%
Peak-to-peak noise voltage ≤ 200 mV (0–20 MHz)
Psophometrically weighted noise voltage ≤ 2 mV (meets this standard at rated output voltage points of 53.5 V and 57 V)
Current sharing imbalance ≤ ±5% (20%–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 Range: –58.5 V DC to –60.5 V DC
Structure Power system dimensions (H x W x D) 175 mm x 482.6 mm x 330 mm
Weight ≤ 19 kg (excluding rectifiers)
IP rating IP20
Installation mode Installed in a 19-inch rack
Cabling mode Routed in and out from the front
Maintenance mode Maintained from the front
Cooling mode Free cooling
System Specifications
Number of AC inputs One AC input: Install an AC output module in the space for the AC module.
Two AC inputs: Install an AC input module in the space for the AC module. (The two AC input modules are switched manually and locked by a mechanical part.)
AC input module AIU03-63C(02312KUQ-002)
Specifications: 63 A/3P + N terminal
Input System: 220/380 V AC three-phase four-wire
Maximum Capacity: 24 kW
Specifications: 63 A/4P
Input System: 220/380 V AC three-phase four-wire
Maximum Capacity: 24 kW
Specifications: 125 A/2P
Input System: 110 V AC dual–live wire, compatible with 220 V AC single-phase
Maximum Capacity: 18 kW
AC output module AOU03-16C(02312WSX)
Specifications: 3 x 16 A/1P circuit breaker
Specifications: 2 x 16 A/1P circuit breakers + 1 x AC meter (48 V power supply)
DC output branch (default configuration before delivery) LLVD: 2 x 125 A/1P, 3 x 63 A/1P
BLVD: 5 x 63 A/1P, 4 x 32 A/1P
Battery branch (default configuration) 4 x 125 A/1P
Monitoring module SMU02C
Rectifier R4850G2/R4850G5/R4875G5/R4850S5/R4850G6
Communications expansion module NIM01C3/CIM02C
Surge protection AC surge protection: nominal surge discharge current: 30 kA (8/20 µs), five times respectively in the positive and negative directions
DC surge protection: 10 kA (8/20 µs) in differential mode, 20 kA (8/20 µs) in common mode
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