| Technical Specifications |
| Environment |
Operating temperature |
–40°F to +149°F (–40°C to +65°C) |
| Transportation temperature |
–40°F to +158°F (–40°C to +70°C) |
| Storage temperature |
–40°F to +158°F (–40°C to +70°C) |
| Operating humidity |
5%–95% RH |
| Storage humidity |
5%–95% RH |
| 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. |
| AC input |
Input system |
110/220 V AC split-phase |
| Input frequency |
45–66 Hz (rated frequency: 50 Hz or 60 Hz) |
| Power factor (PF) |
≥ 0.99 (rated input, with loads) |
| Total harmonic distortion (THD) |
Rated input voltage and 100% output load: THD (I) ≤ 10% |
| DC output |
Output voltage range |
–42 V DC to –58 V DC |
| Default output voltage |
–53.5 V DC |
| Output power |
Maximum output power = Output power of a single rectifier x Number of rectifiers |
| Regulated voltage precision |
≤ ±1% (With 50% load, the rated output voltage is within –53.5±0.1 V.) |
| Peak-to-peak noise voltage |
≤ 200 mV (under the rated input voltage and load range) |
| Noise weighting |
≤ 2 mV (300–340 Hz, input voltage ≤ 264 V AC) |
| Unbalance of load sharing |
≤ ±5% (with 50% to 100% load) |
| AC input protection |
AC input overvoltage protection threshold |
> 300 V AC |
| AC input overvoltage recovery threshold |
When the voltage is restored to 290 V AC, the output resumes. |
| AC input undervoltage protection threshold |
< 85 V AC |
| AC input undervoltage recovery threshold |
When the voltage is restored to 90 V AC, the output resumes. |
| DC output protection |
DC output overvoltage protection threshold |
–58.5 V DC to –60.5 V DC |
| Structure |
Power system (H x W x D) |
7 inch x 19 inch x 17 inch (177 mm x 483 mm x 420 mm) |
| Weight |
≤ 51 lb (23 kg) (without rectifiers or SMU) |
| Protection level |
IP20 |
| Installation mode |
Installed in a 19-inch or 23-inch rack |
| Cable routing |
Routed in and out from the rear |
| Maintenance mode |
Maintained from the front |
| Heat dissipation |
Natural cooling |
| Power Distribution Specifications |
| Input system |
110/220 V AC split-phase |
| AC input wiring terminal |
4 individual terminals. Can be connected together to allow 110 V AC dual-live wire |
| DC output circuit breaker |
16 battery low voltage disconnection (BLVD) circuit breakers (depending on customer requirements) |
| DC surge protection board |
Differential mode: 10 kA; common mode: 20 kA |
| Battery circuit breaker |
Two circuit breakers (A maximum of 200 A, depending on customer requirements) |
| Configurations |
| Subrack |
1 U space for installing rectifiers
3 U space for installing power distribution components (including 1 U space for installing SMU) |
| Rectifier |
A maximum of four R4850G2s |
| SMU |
SMU02B |
| User interface module (UIM) |
UIM02C |
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