QUINT4-PS/3AC/48DC/20 - Power supply | 2904627

QUINT4-PS/3AC/48DC/20 - Power supply | 2904627

  • QUINT POWER power supply with primary circuit keying, selectable output characteristics, SFB (Selective Fuse Breaking) technology and NFC interface, input: 3-phase, output: 48 V DC / 20 A
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Power supplies

Our power supplies are reliable and ideally suited for any application. In our diverse product portfolio, you will find DIN-rail power supplies that vary in design, power and features. This makes them an excellent choice for a wide range of industries, such as automotive, mechanical engineering, process industries, and for the shipbuilding industry.


Product type:

Power supply

Product family:


AC mode

Input voltage range:

The range is from 3X 400 V AC to 500 V AC
The range is from 2X 400 V AC to 500 V AC

Frequency range :

50 Hz to 60 Hz
Tolerance ±10 Hz

Power backup time:

type. 26 ms (3x 400 V AC)
type. 26 ms (3x 480 V AC)

Current consumption:

type. 3x 1.8 A (400 V AC)
type. 3x 1.5 A (480 V AC)
type. 2x 3 A (400 V AC)
type. 2x 2.5 A (480 V AC)
type. 3x 1.5 A (500 V AC)
type. 2x 2.4 A (500 V AC)

Rated power consumption :

1217 VA

Protection system :

Protection against transient currents; Varistor, spark gap gassed

DC mode

Input voltage range:

The range is from ± 260 V DC to 300 V DC
Tolerance -13% ... +30

Current consumption:

type. 2.2 A (±260 V DC)
type. 1.9 A (±300 V DC)

Rated power consumption :

1217 VA

Output data


type. 95.9 % (400 V AC)
type. 96.2 % (480 V AC)

Short circuit resistance and idle test::


output power:

960 W
1080 W
1440 W

Start-up time:

< 1 s (UOut (10 % ... 90 %))

High reliability: MTBF

> 851,000 hours at 25 °C
> 519,000 hours at 40 °C
> 237,000 hours at 60 °C

Parallel connectivity:

Yes, for redundancy and increased power

Serial connectivity:



Mounting method

Mounting on a mounting rail

Mounting position

DIN rail horizontal NS 35, EN 60715


Width: 120 mm
Height: 130 mm
Depth: 125 mm

Ambient conditions

Degree of protection


Ambient temperature

from -25 °C to 70 °C (> 60 °C derating: 2.5 % for each K)

Standard designation: Standards/Regulations

Railroad applications

EN 50121-3-2
EN 50121-5
IEC 62236-3-2
IEC 62236-5

Normative limitation of higher harmonics of the network current

EN 61000-3-2

Normative electrical safety

IEC 61010-2-201 (SELV)

Normative low protection voltage

IEC 61010-1 (SELV)
IEC 61010-2-201 (PELV)

Normative certain separation

IEC 61558-2-16
IEC 61010-2-201

Standard - Safety requirements for equipment measuring, control, regulation and laboratory equipment

IEC 61010-1

Normative safety of transformers

EN 61558-2-16

Charging the battery

DIN 41773-1

Approval - semiconductor industry requirements for with respect to supply voltage drops.

SEMI F47-0706, EN 61000-4-11


  • Efficiency of 95.6% at 400 V AC, reducing energy losses and operating costs.
  • Overvoltage, overload, short-circuit and output overvoltage protection.
  • Possibility of short-term increase of output current and parallel connection for higher power or redundancy.
  • Supports a wide range of voltage (3x 400-500 V AC, 260-300 V DC) and frequency (50-60 Hz).
  • DIN rail mounting and status indication with LEDs and signal outputs.
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