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| Technical Specifications | ||
| Dimensions (H x W x D) | 400 mm x 60 mm x 300 mm (excluding connectors and including the protective structure) | |
| Weight | ≤ 8.5 kg (including connectors and conversion brackets) | |
| Peak efficiency | ≥ 97% (230 V AC) | |
| Output power | 3000 W (176–290 V AC) | |
| 3000–1500 W (176–90 V AC) | ||
| AC input | Input system | 220 V single-phase three-wire, compatible with dual 110 V live wires |
| Input voltage range | 90–290 V AC | |
| Input frequency | 45–66 Hz | |
| Power factor | ≥ 0.99 (100% load) | |
| DC output | Output voltage range | –42 V DC to –58 V DC |
| Default output voltage | PSU-only scenario, battery mode: –54.5 V DC | |
| With lithium batteries connected, constant voltage mode: –57 V DC | ||
| Regulated voltage precision | ≤ ±0.6% | |
| Ripple and noise | ≤ 200 mVp-p | |
| Current sharing imbalance | < ±5% (20%–100% load) | |
| AC input protection | AC input overvoltage protection threshold | ≥ 298 V AC |
| AC input overvoltage recovery threshold | 290–298 V AC | |
| AC input undervoltage protection threshold | ≤ 85 V AC | |
| AC input undervoltage recovery threshold | 85–90 V AC | |
| DC output protection | DC output overvoltage protection threshold | –56 V DC to –60 V DC |
| If overvoltage occurs due to an internal fault, the PSU shuts down. | ||
| If the external voltage is 1 V DC higher than the preset voltage protection threshold for 1s, the PSU shuts down. | ||
| If the external voltage is greater than 63 V DC for 500 ms, the PSU shuts down. | ||
| WiFi frequency band and power | 2.402–2.480 GHz, 4 dBm | |
| Input surge protection | Differential mode: 20 kA (8/20 μs), common mode: 20 kA (8/20 μs) | |
| Output surge protection | Differential mode: 10 kA (8/20 μs), common mode: 20 kA (8/20 μs) | |
| Northbound RS485/DO | Differential mode: 1 kA (8/20 μs), common mode: 2 kA (8/20 μs) | |
| IP rating | IP65 | |
| Safety design | Complying with IEC/EN 60950-1, IEC/EN 60950-22, and IEC/EN 62368-1 | |
| Mean time between failures (MTBF) | 500,000 hours (ambient temperature 25°C) | |
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