| Configuration |
| Item |
TP482000B-N20B1 Typical Configurations |
TP482000B-N20B1 Flexible Configurations |
| AC input system |
220/380 V AC three-phase four-wire |
| AC input terminal |
Two 3-pole 200 A terminal blocks |
| Load route |
Layer 1: six 500 A NT3 fuses
Layer 2: six 160 A NT00 fuses, six 100 A NT00 fuses |
Layer 1:
Six NT1 fuses, six NT2 fuses, six NT3 fuses
Twenty-four 63 A circuit breakers or sixteen 100 A circuit breakers
Layer 2:
Twelve NT00 fuses
Twenty-four 63 A circuit breakers or sixteen 100 A circuit breakers |
| Rectifier circuit breaker |
Forty-eight 1-pole 32 A circuit breakers |
| Rectifier |
Forty-eight R4850G2s, R4850N2s, or R4850S1s |
| AC surge protection |
Two 20 kA/40 kA SPDs
Two 4-pole 32 A SPD circuit breakers |
| Battery route |
Two groups of two 1250 A NT4 fuses connected in parallel |
| Battery current monitoring |
Two 2000 A/25 mV shunts |
| Total load current monitoring |
One 2000 A/25 mV shunt |
| DC power indicator |
One DC power indicator (green) |
| System alarm indicator |
One system alarm indicator (red) |
| DC surge protection |
DC SPD (10 kA in differential mode, 20 kA in common mode, 8/20 µs) |
| Monitoring unit |
SMU05A |
| Signal monitoring |
Power distribution monitoring unit |
| Cabinet Specifications |
| Power system dimensions (H x W x D) |
2000 mm x 600 mm x 600 mm |
| Weight |
< 150 kg (excluding rectifiers) |
| Protection level |
IP20 |
| Installation mode |
On a concrete floor or ESD floor |
| Maintenance mode |
2400 A cabinet: Maintained from the front or rear (at least 400 mm away from a wall)
1200 A cabinet: front maintenance |
| Cabling mode |
AC cables are routed in and out from the bottom or top. DC cables are routed out from the top and can be routed out from the bottom if a side compartment is added. |
| Cooling mode |
Natural cooling |
| Electrical Specifications |
| AC input |
Input system |
220/380 V AC three-phase four-wire |
| Input frequency |
50/60 Hz (range: 45–66 Hz) |
| Power factor |
≥ 0.99 (rated load) |
| Total harmonic distortion (THD) |
< 5% (rated input; 50%–100% load) |
| 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% |
| Psophometrically weighted noise |
≤ 2 mV (300–3400 Hz) |
| Peak-to-peak noise |
≤ 200 mV (rated input voltage and load; bandwidth ≤ 20 MHz) |
| AC input protection |
AC input overvoltage alarm threshold |
290 V AC ±10 V AC (rectifier input voltage), hysteresis ≤ 10 V AC |
| AC input undervoltage alarm threshold |
170 V AC ±10 V AC (rectifier input voltage), hysteresis ≤ 10 V AC |
| AC input overvoltage protection threshold |
305 V AC ±10 V AC (rectifier input voltage), 5 V AC ≤ hysteresis ≤ 15 V AC |
| AC input undervoltage protection threshold |
85 V AC ±3 V AC (rectifier input voltage), hysteresis > 5 V AC, max. undervoltage protection recovery threshold 90 V AC ±3 V AC |
| DC output protection |
DC output overvoltage alarm threshold |
Default value: –58.5 V DC ±0.3 V DC |
| DC output overvoltage alarm recovery threshold |
Default value: –58.0 V DC ±0.3 V DC (0.5 V DC lower than the overvoltage alarm threshold) |
| DC output undervoltage alarm threshold |
Default value: –45.0 V DC ±0.3 V DC |
| DC output undervoltage alarm recovery threshold |
Default value: –45.5 V DC ±0.3 V DC (0.5 V DC higher than the undervoltage alarm threshold) |
| Others |
AC surge protection |
Nominal lightning strike discharge current: 20 kA (8/20 µs); maximum lightning strike discharge current: 40 kA (8/20 µs) |
| DC surge protection |
Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs) |
| Safety compliance |
IEC/EN60950-1/GB4943 |
| Mean time between failures (MTBF) |
500,000 hours (30°C) |
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