What input supply does Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 accept?

Its nominal AC input is 3 × 400–500 V, with a three-phase operating range of 3 × 320–575 V AC; it also accepts 450–800 V DC.

What is the nominal output of Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

The nominal output is 24 V DC at 40 A, providing 960 W.

Can the output of Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 be adjusted?

Yes. The output adjustment range is 22.5–28.5 V DC.

What POWER BOOST current is available from Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

The unit provides 45 A continuously from −25 °C to +40 °C under POWER BOOST conditions.

Can Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 be connected in parallel?

Yes. Parallel operation supports redundancy and increased capacity.

Which status outputs are available on Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

It provides a DC OK LED, an active switching output, and a floating relay contact.

How is Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 mounted?

It mounts on a horizontal NS 35 DIN rail; maintain the required installation orientation, clearance, and airflow.

What should be checked before commissioning Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

Verify phase wiring, protective earth, terminal torque, output setting, loaded voltage, DC OK signaling, and any engineered parallel-current sharing.

QUINT-PS-3x400-500AC/24DC/40-2938646

Name: QUINT-PS-3x400-500AC/24DC/40-2938646
Brand: Phoenix Contact
SKU: QUINT-PS-3x400-500AC/24DC/40-2938646

Power Supply

Phoenix Contact QUINT-PS-3x400-500AC/24DC/40 (1)

Phoenix Contact QUINT-PS-3x400-500AC/24DC/40 (2)

Phoenix Contact QUINT-PS-3x400-500AC/24DC/40 (3)

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 is a three-phase, primary-switched DIN-rail power supply that converts a 400–500 V AC nominal input to an adjustable 24 V DC output rated at 40 A.

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Technical specifications for QUINT-PS-3x400-500AC/24DC/40-2938646

Manufacturer:

Phoenix Contact
Product Category:

General Automation
Spare Part Number:

QUINT-PS-3x400-500AC/24DC/40-2938646
Estimated shipping dimensions:

24x13.2x13cm
Weight:

3.45 kg
Tariff Code:

8537101190
Counliy of origin:

Germany
Nominal input:

3 × 400–500 V AC
AC input range:

3 × 320–575 V AC, all three phases
DC input range:

450–800 V DC
Frequency range:

45–65 Hz
Nominal output:

24 V DC ±1%, 40 A
Output adjustment:

22.5–28.5 V DC
POWER BOOST:

45 A continuously from −25 °C to +40 °C
Output power:

960 W
Efficiency:

>91%
Parallel operation:

Permitted for redundancy and increased capacity
Mounting:

Horizontal NS 35 DIN rail
Protection:

IP20
Dimensions:

122 × 130 × 243 mm
Operating temperature:

−25 °C to +70 °C, with derating above +60 °C

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Information

Overview Manuals Common Applications Product Precautions

Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 forms the monitored DC supply stage inside an industrial control cabinet. Engineers use its power reserve and status functions when coordinating load margin, redundancy, and fault annunciation.

Three-phase 400–500 V AC nominal input
Adjustable 22.5–28.5 V DC output
40 A nominal current and 45 A POWER BOOST
DC OK LED, active output, and relay contact

Coordinate the supply with load demand, circuit protection, conductor sizing, protective earth, and any parallel unit before energization. Verify loaded output voltage and the three DC OK indications at final acceptance.

Important Notice: Confirm the three-phase input, protective-earth connection, output set point, terminal torque, airflow clearance, and parallel-mode wiring before service.

Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 Manuals & Downloads

QUINT-PS-3x400-500AC/24DC/40-2938646 Official Technical Reference Excerpt (PDF)QUINT-PS-3x400-500AC/24DC/40-2938646 Installation & Commissioning Guide (PDF)

The Technical Reference consolidates rated input, output, mounting, and signaling data; the Installation & Commissioning Guide organizes wiring preparation, power-up checks, redundancy checks, and acceptance testing.

Control-cabinet supply

Feeds 24 V DC PLC, I/O, relay, and instrumentation loads from a three-phase industrial source.

Redundant DC architecture

Supports parallel connection in an engineered redundancy architecture.

Capacity expansion

Allows parallel operation when the engineered load exceeds one unit’s nominal capacity.

Condition monitoring

Provides DC OK indications for local and control-system supervision.

Apply these controls to Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 before isolation, removal, reconnection, energization, and release.

Confirm the complete Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 identity before installation.

Isolate and verify the absence of hazardous voltage on all three input phases and the DC output before wiring.

Use only the permitted 3 × 320–575 V AC or 450–800 V DC input range and maintain protective earth continuity.

Observe the specified conductor cross-sections and terminal torque for the installed wiring method.

Mount the unit on a horizontal NS 35 rail and maintain the required clearances and airflow.

Set the output only within 22.5–28.5 V DC and verify the load’s permitted voltage before energization.

Engineer parallel units for the intended redundancy or capacity mode and verify current sharing before release.

Commission the DC OK LED, active signal, floating relay contact, and loaded output voltage before service.

Technical notes

Three-phase 400–500 V AC nominal input; 24 V DC, 40 A regulated output; DC OK monitoring; NS 35 DIN-rail mounting.

FAQ View All FAQ

What input supply does Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 accept?

Its nominal AC input is 3 × 400–500 V, with a three-phase operating range of 3 × 320–575 V AC; it also accepts 450–800 V DC.
What is the nominal output of Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

The nominal output is 24 V DC at 40 A, providing 960 W.
Can the output of Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 be adjusted?

Yes. The output adjustment range is 22.5–28.5 V DC.
What POWER BOOST current is available from Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

The unit provides 45 A continuously from −25 °C to +40 °C under POWER BOOST conditions.

Can Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 be connected in parallel?

Yes. Parallel operation supports redundancy and increased capacity.
Which status outputs are available on Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

It provides a DC OK LED, an active switching output, and a floating relay contact.
How is Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646 mounted?

It mounts on a horizontal NS 35 DIN rail; maintain the required installation orientation, clearance, and airflow.
What should be checked before commissioning Phoenix QUINT-PS-3x400-500AC/24DC/40-2938646?

Verify phase wiring, protective earth, terminal torque, output setting, loaded voltage, DC OK signaling, and any engineered parallel-current sharing.

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