QUINT-PS-3X400-500AC/24DC/40 2938646
QUINT-PS-3X400-500AC/24DC/40 2938646
QUINT-PS-3X400-500AC/24DC/40 2938646
QUINT-PS-3X400-500AC/24DC/40 2938646
QUINT-PS-3X400-500AC/24DC/40 2938646
QUINT-PS-3X400-500AC/24DC/40 2938646
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QUINT-PS-3X400-500AC/24DC/40 2938646

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QUINT-PS-3X400-500AC/24DC/40 2938646 is a Phoenix Contact three-phase din-rail power supply used for 24 VDC control power in industrial automation and machine control cabinets.
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Technical specifications for QUINT-PS-3X400-500AC/24DC/40 2938646

  • Manufacturer:
    Phoenix Contact
  • Part Number:
    QUINT-PS-3X400-500AC/24DC/40 2938646
  • Product Family:
    Phoenix Contact
  • Product Type:
    Three-phase DIN-rail power supply
  • Stock:
    1
  • Nominal input voltage:
    3 × 400–500 V AC
  • Input voltage range:
    3 × 320–575 V AC or 450–800 V DC
  • AC frequency range:
    45–65 Hz
  • Nominal output voltage:
    24 V DC ±1%
  • Output-voltage setting range:
    22.5–28.5 V
  • Continuous output current:
    40 A at −25 to 70 °C, with derating above 60 °C
  • POWER BOOST:
    45 A permanently at −25 to 40 °C
  • Nominal output power:
    960 W
  • Residual ripple:
    <10 mVpp at nominal values
  • Efficiency:
    >91% at nominal values
  • Input/output insulation:
    4 kV AC type test; 2 kV AC routine test
  • Mounting:
    Horizontal NS 35 DIN rail
  • Minimum vertical spacing:
    50 mm; horizontal alignment spacing 0 mm
  • Parallel/series operation:
    Parallel for redundancy or increased capacity; series connection permitted
  • DC OK outputs:
    Active 24 V DC signal and floating relay contact
  • Operating temperature:
    −25 to 70 °C
  • Dimensions:
    24 × 13 × 12.5 cm
  • Weight:
    3.5 kg
  • Tariff Code:
    8536300000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Protection Signaling Installation Application
  • Three-phase 3 × 400–500 V AC input with a regulated 24 V DC output
  • 40 A continuous output with 45 A permanent POWER BOOST at −25 to 40 °C
  • DC OK active output and floating relay contact for remote power-status monitoring

QUINT-PS-3X400-500AC/24DC/40 2938646 is a primary-switched QUINT POWER supply for NS 35 DIN-rail installation.

Its 3 × 320–575 V AC or 450–800 V DC input range supports a regulated 24 V DC load up to 40 A, with 45 A POWER BOOST available continuously at −25 to 40 °C.

Maintain 50 mm vertical clearance, apply the specified 3 × 6–16 A input protection, and use Phoenix Contact item 2904623 when selecting equipment for a new system.

Availability, condition, price, and shipping time for QUINT-PS-3X400-500AC/24DC/40 2938646 are confirmed during quotation.

Phoenix Contact QUINT-PS-3X400-500AC/24DC/40 2938646 Three-phase DIN-rail power supply Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Uses transient surge protection with a varistor protective component.
  • Specifies upstream 3 × 6–16 A fuses or breakers with B, C, D or K characteristics.
  • Limits short-circuit output current to approximately 45 A.
  • Provides a green operating-voltage LED.
  • Offers a 24 V DC active DC OK output rated for up to 40 mA.
  • Offers a floating DC OK relay contact rated up to 30 V AC/DC and 1 A inrush.
  • Mounts horizontally on an NS 35 DIN rail.
  • Allows zero horizontal spacing between aligned units.
  • Requires 50 mm vertical spacing and derating above 60 °C.
  • Industrial control-cabinet 24 V DC power
  • Redundant 24 V DC supply architectures
  • Higher-capacity 24 V DC systems using parallel operation
Description
QUINT-PS-3X400-500AC/24DC/40 2938646 belongs to the Phoenix Contact QUINT POWER range and provides active and floating DC OK signaling for local indication and remote power-supply monitoring.

The active DC OK output changes to a high signal when the output exceeds 90% of nominal voltage, while the floating relay contact closes under the same condition. Active current limitation, output overvoltage protection and the front DC OK LED assist with load and fault assessment.

The metal-housed unit mounts horizontally on an NS 35 DIN rail and requires the documented vertical clearance, conductor sizes and terminal torques. Phoenix Contact specifies item 2904623 for new systems, so existing wiring, diagnostics and cabinet space must be reviewed before migration.
Alternative Names
QUINT-PS-3X400-500AC/24DC/40 QUINT-PS-3x400-500AC/24DC/40 Phoenix Contact QUINT-PS-3X400-500AC/24DC/40 2938646 Phoenix Contact 2938646 QUINT-PS-3X400-500AC/24DC/40 2938646
Technical notes
QUINT-PS-3X400-500AC/24DC/40 2938646 requires confirmation of three-phase input, protective devices, DIN-rail spacing and conductor sizing; verify parallel or series architecture before energization to avoid an unsuitable power design.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which incoming supply and protective-device details must be confirmed before selecting QUINT-PS-3X400-500AC/24DC/40 2938646?
Confirm that all three phases are within the documented input range and coordinate the upstream 3 × 6–16 A B, C, D or K protective devices with the installation.
Can QUINT-PS-3X400-500AC/24DC/40 2938646 be paralleled for redundancy or extra capacity?
Yes. The official technical data permits parallel connection for redundancy and increased capacity; the complete system design must still provide suitable current sharing and protection.
When is series operation appropriate for QUINT-PS-3X400-500AC/24DC/40 2938646?
Series connection is permitted, but the installer must verify the required total voltage, grounding concept, insulation limits and load arrangement before wiring units in series.
How can QUINT-PS-3X400-500AC/24DC/40 2938646 report DC output health to a controller?
Use either the active 24 V DC OK signal or the floating relay contact, selecting the output whose voltage and current ratings match the monitoring circuit.
What enclosure spacing is required for QUINT-PS-3X400-500AC/24DC/40 2938646?
Mount it horizontally on NS 35 DIN rail, allow 50 mm vertical clearance and apply the documented derating above 60 °C ambient temperature.
Can QUINT-PS-3X400-500AC/24DC/40 2938646 continuously supply a 45 A load?
The documented POWER BOOST rating allows 45 A permanently only from −25 to 40 °C; above that range, use the normal output-current and derating limits.
What should be checked when the DC OK indication on QUINT-PS-3X400-500AC/24DC/40 2938646 is not asserted?
Check the input phases, adjusted output voltage, overload or short-circuit condition, output wiring and whether UOUT remains above the documented DC OK threshold.