ETP48400-C3B5 400A power converter with 6xR4875G5 1xSMU02C 1xUIM05B1

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3U height composed by 6xR4875G5 1xSMU02C 1xUIM05B1

Maximum output power: 24 kW

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

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

BLVD: 2 x 63 A/1P, 2 x 32 A/1P, 2 x 16 A/1P

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

User interface module: UIM05B1

(Optional) Communications expansion module: NIM01C3 or CIM02C

(Optional) Power distribution unit: DCDB48-400-4C, DCDB48-200-16B, iDCDB200B and iDCDU100D1


The ETP48400-C3B5 is an embedded power system that converts AC power into DC power. It supplies –48 V or –57 V constant voltage to load equipment. The maximum capacity of the power system is 24 kW. It applies to newly built sites as well as capacity expansion and reconstruction scenarios of existing sites.

Tech Specs
Technical Specifications
Environmental conditions Operating temperature –40°C to +65°C (When the ambient temperature is between –33°C and +55°C, the power system works properly. When the ambient temperature is greater than 55°C and less than or equal to 65°C, the output power is linearly derated to 80%. When the ambient temperature is –40°C, the power system can start properly after AC power is applied.)
Transportation 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 0–4000 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.)
Noise System audible noise: ≤ 60 dBA at 25°C, ≤ 72 dBA at 40°C; meets Class 3.1 requirements of ETSI 300753
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 value: 50 Hz/60 Hz
Power factor (PF) ≥ 0.99 (rated input voltage, 50%–100% load)
DC output Output voltage –53.5 V DC
Regulated voltage precision ≤ ±1%
Peak-to-peak noise voltage ≤ 200 mV (0–20 MHz)
Psophometrically weighted noise voltage ≤ 2 mV
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 –56 V DC to –60.5 V DC (default: 59.5 V DC)
EMC specifications Conducted emission (CE) AC port: EN 55032, Class B
DC port: EN 55032, Class A1
Signal port: EN 55032, Class B
Radiated emission (RE) EN 55032, Class B
Harmonic current IEC 61000-3-12
Voltage fluctuation and flicker IEC 61000-3-11
Electrostatic discharge (ESD) IEC 61000-4-2
Electrical fast transient (EFT) IEC 61000-4-4
Radiated susceptibility (RS) IEC 61000-4-3
Conducted susceptibility (CS) IEC 61000-4-6
Surge susceptibility IEC 61000-4-5
Voltage dip IEC 61000-4-11
Others MTBF 200,000 hours (at 25°C)
Structure Power system (H x W x D) 130 mm x 482 mm x 330 mm
Weight ≤ 20 kg (excluding rectifiers)
IP rating IP20
Installation mode Installed in a 19-inch rack
Cabling Routed in and out from the front
Maintenance mode Maintained from the front
Cooling mode Natural cooling
System Specifications
AC power distribution AIU03-63C(02312KUQ)
Module Specifications: 63 A/3P + N terminal
Input System: Three-phase four-wire, compatible with single-phase
Maximum Capacity: Three-phase 24 kW; Single-phase 18 kW
Module Specifications: 63 A/4P
Input System: Three-phase four-wire
Maximum Capacity: 24 kW
Module Specifications: 125 A/2P
Input System: Dual–live wire
Maximum Capacity: 18 kW
DC power distribution (LLVD circuit breakers and BLVD circuit breakers are optional.) Configuration example:
LLVD: 2 x 125 A/1P, 3 x 63 A/1P
BLVD: 2 x 63 A/1P, 2 x 32 A/1P, 2 x 16 A/1P
Battery route Positive terminal: 2 x M6 screws
Negative terminal: 2 x M6 screws
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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