Huawei TP482000B Series User Manual page 90

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Category
Others
Structure
Table A-2 Technical specifications for AC cabinets
Category Item
Environment Operating temperature
Issue 07 (2020-04-10)
Item
Electrical fast transient
(EFT)
Radiated susceptibility (RS) EN61000-4-3
Conducted susceptibility
(CS)
Surge susceptibility
Voltage dip (DIP)
AC surge protection
DC surge protection
Safety compliance
Mean time between failures
(MTBF)
Power system dimensions
(H x W x D)
Weight
Protection level
Installation mode
Maintenance mode
Cabling mode
Cooling mode
Copyright © Huawei Technologies Co., Ltd.
Specifications
EN61000-4-4
AC power port: ± 2 kV (criterion B); DC power port: ± 1
kV (criterion B); signal port: ± 1 kV (criterion B)
10 V/m (criterion A)
EN61000-4-6
Power port: 10 V; signal port: 3 V (criterion A)
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)
EN61000-4-11
Nominal lightning strike discharge current: 20 kA (8/20
µ s); maximum lightning strike discharge current: 40 kA
(8/20 µ s)
Differential mode: 10 kA (8/20 µ s); common mode: 20 kA
(8/20 µ s)
IEC/EN60950-1/GB4943
500,000 hours (30° C)
2000 mm x 600 mm x 600 mm
< 150 kg (excluding rectifiers)
IP20
On a concrete floor or ESD floor
 2400 A cabinet: Maintained from the front or rear (at
least 400 mm away from a wall)
 1200 A cabinet: front maintenance
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.
Natural cooling
Specifications
–10° C to +45° C
A Technical Specifications
84