TP48400B-N20B3

TP48400B-N20B3 Indoor Site Power Cabinet

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Description

Supports a maximum of four 150 Ah battery strings

Supports a maximum of eight R4850G2s

Site monitoring unit: SMU02B, supports WebUI after installing the specific WiFi module using the USB port

User interface module: UIM02C

Wide input voltage range of 85 V AC to 300 V AC

Can be connected to solar power inputs with a wide voltage range of 58 V DC to 150 V DC.

 

The TP48400B-N20B3 is an indoor communications power system that converts AC power into stable DC power and supplies the DC power to -48 V DC communications equipment. It has a maximum output current of 400 A.

Tech Specs
Cabinet Specifications
Cabinet dimensions (H x W x D) 2000 mm x 600 mm x 600 mm
Weight ≤ 126 kg (excluding rectifiers and batteries)
Protection level IP20
Installation mode Installed on a concrete floor or an ESD floor
Maintenance mode Maintained from the front and installed on a wall with a clearance of at least 100 mm
Cabling Routed in and out from the top of the cabinet
Configuration
AC input system 220/380 V AC three-phase, four-wire
AC power distribution AC input: one 3-pole 63 A circuit breaker
Rectifier Eight available slots

A maximum of eight R4850G2s

SSU (optional) N/A
PV distribution unit (PVDU) (optional) N/A
SMU and UIM SMU02B and UIM02C
DC power distribution BLVD route

Standard circuit breakers: four 1-pole 63 A circuit breakers, two 1-pole 16 A circuit breakers, and two 1-pole 10 A circuit breakers

Extended circuit breaker: eight 1-pole 1–63 A circuit breakers

LLVD route

Standard circuit breakers: two 1-pole 100 A circuit breakers, two 1-pole 63 A circuit breakers, four 1-pole 32 A circuit breakers, and two 1-pole 16 A circuit breakers

Extended circuit breakers: two 1-pole 1–125 A circuit breakers and eight 1-pole 1–63 A circuit breakers

Battery route: four 1-pole 125 A circuit breakers
DC-DC power system (optional) N/A
Baseband unit (BBU) components (optional) N/A
Battery A maximum of four 150 Ah battery strings
Space for customer equipment N/A
Sensors Mandatory: one battery temperature sensor
Optional: one temperature and humidity sensor
SPD 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)
Maximum output power 24 kW
Electrical Specifications
AC input Input system 220/380 V AC three-phase, four-wire
Input voltage 85–300 V AC
Input frequency Frequency range: 45–66 Hz; nominal frequency: 50 Hz or 60 Hz
PF ≥ 0.99 (rated input, full load)
THD ≤ 10% (Vin = 208 V AC, 220 V AC, 230 V AC; 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 + Output power of a single SSU x Number of SSUs
Regulated voltage precision ≤ ±1%
Ripple and noise ≤ 200 mVp-p
Psophometrically weighted noise ≤ 2 mV
Current imbalance < ±5% (50%–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
Mean time between failures (MTBF) 200,000 hours

 

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