Huawei TP482000B Series - Page 90

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
A Technical Specifications
Issue 07 (2020-04-10)
Copyright © Huawei Technologies Co., Ltd.
84
Category
Item
Specifications
Electrical fast transient
(EFT)
EN61000-4-4
AC power port: ±2 kV (criterion B); DC power port: ±1
kV (criterion B); signal port: ±1 kV (criterion B)
Radiated susceptibility (RS)
EN61000-4-3
10 V/m (criterion A)
Conducted susceptibility
(CS)
EN61000-4-6
Power port: 10 V; signal port: 3 V (criterion A)
Surge susceptibility
EN61000-4-5
AC power port: ±6 kV/3 kA (criterion B)
DC output power port: 2 kV in differential mode, 4 kV in
common mode (criterion B)
Voltage dip (DIP)
EN61000-4-11
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)
Structure
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
Table A-2 Technical specifications for AC cabinets
Category
Item
Specifications
Environment
Operating temperature
–10°C to +45°C