ETP4890-B6A1

Environment specifications

Operating temperature

-40°C to +65°C

Transport temperature

-40°C to +70°C

Storage temperature

-40°C to +70°C

Operating humidity

5%-95% RH (non-condensing)

Storage humidity

5%-95% RH (non-condensing)

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

45-66 Hz (rated frequency: 50 Hz or 60 Hz)

Power factor (PF)

> 0.99 (100% load; Ta = 25°C; Vin = 208 V AC, 220 V AC, or 230 V AC; 50 Hz/60 Hz)

Total harmonic distortion (THD)

≤ 10% (50%-100% load; Ta = 25°C; Vin = 208 V AC, 220 V AC, or 230 V AC; 50 Hz/60 Hz)

DC output

Output voltage range

-42 V DC to -58 V DC

Default output voltage

-54 V DC

Maximum output power

• When R4830N2s are configured: 4815 W
• When R4830G1s are configured: 4800 W

Regulated voltage precision

≤ ±1% (compliance with the YDT1058)

Peak-to-peak noise voltage

≤ 200 mV (rated input voltage and load)

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

290-300 V AC

AC input undervoltage protection threshold

≤ 80 V AC

AC input undervoltage recovery threshold

80-85 V AC

DC output protection

DC output overvoltage protection threshold

-58.5 V DC to -60.5 V DC

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 and flick

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 (criterion B)

Electrical fast transient (EFT)

IEC61000-4-4

Signal port: 1 kV; power port: 2 kV (criterion B)

Radiated susceptibility (RS)

IEC61000-4-3

Field strength: 10 V/m (criterion A)

Conducted susceptibility (CS)

IEC61000-4-6

Power port: 10 V; signal port: 3 V (criterion A)

Surge immunity

IEC61000-4-5

AC power ports: differential mode: 2 kV; common mode: 4 kV (criterion B)

Voltage dips immunity (DIP)

IEC 61000-4-11

Others

Surge protection

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

Compliance with IEC/EN60950-1 and passed the CE certification

Mean time between failures (MTBF)

200,000 hours

Structure

Cabinet dimensions (H x W x D)

263.9 mm x 482.6 mm x 270 mm

Weight

≤ 20 kg (excluding three 30 A rectifiers and one SMU02B)

Protection level

IP20

Installation mode

Horizontally installed in a 19-inch cabinet

Cabling

Routed out from the front left and right side panels

Maintenance mode

Maintained from the front

Heat dissipation

Cools as the ambient temperature drops.