| 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 |
127/220 V AC three-phase, three-wire |
| 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 |
12000 W (supports N+1 rectifier backup and maximum output current of 200 A) |
| 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) |
220 mm x 482 mm x 330 mm |
| Weight |
≤ 25 kg (excluding modules) |
| Protection level |
IP20 |
| Installation mode |
Installed in a rack |
| Cabling |
Routed in and out from the top |
| Maintenance mode |
Maintained from the front |
| Heat dissipation mode |
Natural heat dissipation |
| PDU specification |
| Input system |
127/220 V AC three-phase, three-wire |
| AC power distribution |
AC input: one 3-pole 63 A circuit breaker |
| DC power distribution |
BLVD circuit breaker: two M8 OT terminals |
| LLVD circuit breaker: two M8 OT terminals |
| Battery route |
Four M8 OT terminals |
| Configurations |
| Subrack |
3 U power distribution space |
| 1 U monitoring unit |
| 1 U rectifier space |
| PDU |
AC power distribution: AC input circuit breaker |
| DC power distribution: battery low voltage disconnection (BLVD) route, load low voltage disconnection (LLVD) route, and battery route |
| Rectifier |
A maximum of four R4850N2s or R4850G2s |
| Site monitoring unit |
SMU02B |
| User interface module (UIM) |
UIM02C |
| Surge protective device (SPD) |
DC surge protection: 10 kA (8/20 µs) in differential mode, 20 kA (8/20 µs) in common mode |
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