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TP48200A-DT19D1 Telecom Power User Manual

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Electrical Specifications

Electrical Specifications

Table A-2 Electrical specifications



AC input

Input system

220/380 V AC three-phase, four-wire, compatible with 220 V AC single-phase

Input voltage

85–300 V AC

Input frequency

Frequency range: 45–66 Hz; nominal frequency: 50 Hz or 60 Hz


≥ 0.99 (load percentage ≥ 50%)


≤ 5% (load percentage ≥ 50%)

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%

Ripple and noise

≤ 200 mVp-p

Psophometrically weighted noise

≤ 2 mV

Current imbalance

< ±5% (20%–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

  1. If overvoltage occurs due to an internal fault, the rectifier locks out.
  2. If the external voltage is greater than –63 V for more than 500 ms, the rectifier locks out.

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 and regulatory design

IEC/EN60950-1 and IEC/EN60950-22

Mean time between failures (MTBF)

200,000 hours (30°C)

Updated: 2019-11-27

Document ID: EDOC1000078784

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