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VE5122

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Emerson VE5122 is a DeltaV DIN-rail bulk power supply that converts 100-240 VAC input to a regulated 24 VDC, 5 A output for control-system loads.
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Technical specifications for VE5122

  • Manufacturer:
    Emerson
  • Part Number:
    VE5122
  • Product Family:
    DeltaV
  • Product Type:
    DeltaV 24 VDC 5 A Bulk Power Supply
  • Stock:
    1
  • Input:
    85-264 VAC or 90-375 VDC
  • Nominal Output:
    24 VDC, 5 A
  • Output Power:
    120 W
  • Adjustable Range:
    23.5-28.5 VDC
  • Peak Current:
    1.5 × rated current for at least 4 seconds
  • Efficiency:
    Greater than 88%
  • Mounting:
    DIN rail
  • Protection:
    IP20
  • Weight:
    0.5 kg
  • Estimated shipping dimensions:
    12.3 x 5.0 x 11.0 cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    USA
  • 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 Power Performance Protection & Status Cabinet Integration Applications

Features:

  • 120 W control power: Delivers 24 VDC at 5 A for cabinet loads.
  • Wide input acceptance: Operates from 85–264 VAC or 90–375 VDC.
  • Peak-load support: Provides 1.5 times rated current for at least four seconds.
VE5122 converts plant AC or DC input into the regulated 24 VDC supply used by DeltaV electronics and auxiliary control circuits.

Active power-factor correction and more than 88% efficiency reduce avoidable input demand and heat inside the cabinet.

The DC-OK relay and front indicators give technicians an immediate way to separate source, output and overload problems.

For VE5122 sourcing, Apter Power can help confirm input supply, 24 VDC load, DIN-rail space and DC-OK monitoring requirements. Emerson VE5122 is listed as DeltaV 24 VDC 5 A Bulk Power Supply.
Emerson VE5122 DeltaV 24 VDC 5 A Bulk Power Supply Manuals,Datasheets,Link
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.
  • Continuous output: 24 VDC at 5 A, or 120 W.
  • Adjustment: Output can be set from 23.5 to 28.5 VDC.
  • Hold-up: More than 20 ms at full load, 100 VAC and 25°C.
  • Peak demand: 1.5× rated current is available for at least four seconds.
  • Power quality: Active PFC exceeds 0.92.
  • Conversion loss: Efficiency is above 88% with about 14 W dissipation.
  • Local indication: LEDs distinguish input, output and alarm states.
  • Remote status: A normally open DC-OK relay is rated 200 mA at 50 VDC.
  • Mounting: DIN-rail installation supports orderly cabinet replacement.
  • Clearance: Keep 25 mm top/bottom, 10 mm sides and 15 mm front.
  • Temperature: Full output applies from -25°C to +60°C, then derates toward +70°C.
  • Enclosure: IP20 construction requires installation inside suitable control equipment.
  • DeltaV cabinets: Powers controller, I/O and supporting 24 VDC circuits.
  • Process skids: Provides compact regulated power for packaged automation.
  • Brownfield renewal: Replaces a verified VE5122 position without redesigning the cabinet supply.
  • Monitored control power: Uses the DC-OK contact for alarm or maintenance logic.
Description
VE5122 supplies regulated 24 VDC power at 5 A for DeltaV cabinets and related industrial control loads. Its wide 100–240 VAC input, DIN-rail format and adjustable output simplify replacement in mixed-voltage plants while keeping the control power architecture compact.

VE5122 adds practical resilience through active power-factor correction, more than 20 ms hold-up at full load, and a short-term 1.5× peak-current capability. Status indication and a DC-OK relay help maintenance teams distinguish incoming-power, output and overload conditions without dismantling the panel.
Technical notes
Maintain at least 25 mm clearance above and below VE5122, 10 mm at each side and 15 mm at the front. Restricted airflow raises internal temperature and can trigger derating above 60°C. Verify the 24 VDC load, grounding and DC-OK relay wiring before energizing, especially when several supplies share one enclosure.
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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.
What load can VE5122 supply continuously?
VE5122 provides 24 VDC at 5 A, up to 120 W. Add the steady-state demand of every connected load and retain margin for temperature and startup conditions.
Can VE5122 accept a DC input source?
Yes. The documented input range includes 90–375 VDC as well as 85–264 VAC. Confirm polarity and the cabinet protection scheme before connection.
How should VE5122 be spaced inside a cabinet?
Keep at least 25 mm above and below, 10 mm at both sides and 15 mm at the front so convection can remove heat.
What does the DC-OK relay on VE5122 provide?
It provides a normally open status contact rated 200 mA at 50 VDC for remote indication; it is not a load-power output.
Can VE5122 handle a brief inrush or peak load?
It can supply 1.5 times rated current for at least four seconds, but the continuous load must still remain within the 5 A and thermal limits.
What should be checked before replacing VE5122?
Confirm the full model, input source, output setting, total 24 VDC load, rail space, grounding, clearances and DC-OK contact use.