ETP4890-B3A1

Environmental requirements

Operating temperature

-40°C to +65°C

Transportation temperature

-40°C to +70°C

Storage temperature

-40°C to +70°C

Operating humidity

5%-95% RH

Storage humidity

5%-95% RH

Altitude

0-4000 m

When the altitude ranges from 2000 m to 4000 m, the operating temperature decreases by 1°C for each additional 200 m.

AC input

Input system

220 V AC single-phase

Input frequency

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

Power factor

≥ 0.99 (rated input, with loads)

DC output

Output voltage range

-42 V DC to -58 V DC

Default output voltage

-53.5 V DC

Maximum output power

4815 W

Regulated voltage precision

≤ ±1% (The output voltage is within 53.5 V DC±0.1 V DC, with 50% load percentage.)

Peak-to-peak noise voltage

≤ 200 mV (under rated input voltage and load power)

Noise weighting

≤ 2 mV (300 Hz to 3400 Hz, input voltage ≤ 264 V AC)

Unbalance of load sharing

≤ ±5% (with 50% to 100% loads)

AC input protection

AC input overvoltage protection threshold

≥300 V AC

AC input overvoltage recovery threshold

290-300 V AC

AC input undervoltage protection threshold

≤ 80 V AC

AC input undervoltage recovery threshold

80-85 V AC

Electromagnetic compatibility (EMC) specifications

Conducted emission (CE)

Input port: Class B of CISPR 22/EN 55022

Output port: Class A of CISPR 22/EN 55022

Radiated interference

Class B of CISPR 22/EN 55022

Harmonic current

IEC 61000-3-12

Voltage fluctuation

IEC 61000-3-3

Electrostatic discharge (ESD)

IEC61000-4-2

Shell ports: contact discharge of 6 kV and air discharge of 8 kV; signal ports: contact discharge of 2 kV

Electrical fast transient (EFT)

IEC61000-4-4

Signal port: 1 kV; power port: 2 kV

Radiated susceptibility (RS)

IEC61000-4-3

Level 3; field strength: 10 V/m

Conducted susceptibility (CS)

IEC61000-4-6

Signal port: 3 V; power port: 10 V

Surge immunity

IEC61000-4-5

AC and DC power ports: Differential mode: 2 kV (8/20 µs); common mode: 4 kV (8/20 µs)

Voltage dips immunity (DIP)

IEC 61000-4-11

Others

Safety design

Complies with IEC/EN60950-1 and passes TUV and CE.

Surge protection

AC power port: nominal lightning strike discharge current: 20 kA (8/20 µs); maximum lightning strike discharge current: 40 kA (8/20 µs)

DC power port: differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs)

Mean time between failures (MTBF)

200,000 hours

Structure

Power system (H x W x D)

130.5 mm x 442 mm x 255 mm

Weight

≤ 13 kg (including rectifiers)

Protection level

IP20

Installation mode

Equipped with mounting ears to adapt to 19-inch cabinets

Cable routing

AC input cables are routed in from the upper left side, and DC output cables are routed out from the lower right side

Maintenance mode

Maintained from the front

Heat dissipation mode

Nature heat dissipation