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Description
3U height composed by 6xR4875G 1xSMU02C 1xUIM05B1
Maximum output power: 18 kW
AC input system: 120/240 V AC dual–live wire
LLVD: 2x 125 A and 3x 63 A circuit breakers
BLVD: 2x 63 A, 2x 32 A, and 2x 16 A circuit breakers
Provides comprehensive battery management
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
ETP48400-C3B2 is an embedded power systems that convert AC power into DC power. It supplies –48 V or –57 V constant voltage to telecommunications equipment like Huawei OSN8800 OSN3500 MA5800. The maximum capacity of the ETP48400-C3B2 is 18 kW, and applies to newly built sites as well as capacity expansion and reconstruction of existing sites. The intelligent power distribution unit DCDB48-200-16B/DCDB48-200-16B-XXX and lead-acid battery box DCDB48-400-4C are optional components.
Tech Specs
| Technical Specifications | ||
| Environment 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, 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 frequency: 50 Hz/60 Hz |
| Power factor | ≥ 0.99 (rated input voltage, 50%–100% load) | |
| DC output | Output voltage | –53.5 V DC |
| Maximum output power | ETP48400-C3B2: 18 kW | |
| Regulated voltage precision | ≤ ±1% | |
| Peak-to-peak noise voltage | ≤ 200 mV (0–20 MHz) | |
| Psophometrically weighted noise voltage | ≤ 2 mV | |
| Unbalance of load sharing | ≤ ±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) |
| Structure | Dimensions (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 mode | Routed in and out from the front | |
| Maintenance mode | Maintained from the front | |
| Heat dissipation mode | Free cooling | |
| System Specifications | ||
| AC input system | 120/240 V AC dual-live wire | |
| DC power distribution | LLVD: two 125 A and three 63 A circuit breakers | |
| BLVD: two 63 A, two 32 A, and two 16 A circuit breakers | ||
| 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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