ISO 9001:2015 Certified  |  38+ years of power engineering for critical infrastructure
Switch Mode Power Conversion

AC to DC Power Supplies

Industrial-grade switch-mode power supplies, DIN rail units, open frame modules, and rack-mount AC/DC rectifiers engineered for critical applications.

Engineering Excellence

High-Reliability AC to DC Power Supplies for Overseas Industrial Buyers

Helios Power Solutions offers an extensive portfolio of high-efficiency AC to DC power supplies designed to perform reliably in extreme temperatures, harsh electrical environments, and continuous-duty cycles. Backed by over 38 years of field-proven power conversion experience and ISO 9001:2015 quality manufacturing.

When selecting industrial AC to DC power conversion equipment for utility substations, telecommunications, defence platforms, or automation systems, thermal management, high isolation, power factor correction (PFC), and long component lifecycles are vital. Our engineered platforms cover single-phase and three-phase inputs delivering regulated DC outputs from 5VDC up to high-voltage industrial levels.

Every platform is bench-tested and verified for voltage regulation, low output ripple, transient immunity, and electromagnetic compatibility (EMC) before dispatch. Whether you need standard off-the-shelf industrial power supplies or fully customized enclosures with active N+1 redundancy and conformal coating, our technical sales engineers provide complete specification support.

Industrial Multi-Output AC to DC Power Conversion Unit Engineered by Helios ISO 9001:2015 Certified Quality & Full Technical Verification
Product Classification

Comprehensive AC/DC Power Supply Categories

Select from specialized form factors and power ratings engineered to match specific installation environments.

Open Frame & Panel Mount

Compact chassis and open-frame switch-mode power supplies featuring high power density, wide operating ambient ranges, and high efficiency for integration into OEM cabinets.

40W – 1500W · Single & Multi-Output

DIN Rail Mount AC/DC Supplies

Rugged DIN-rail power rectifiers designed for industrial automation, SCADA panels, and process control. Includes built-in protection against short circuit, overload, and surge.

10W – 960W · Convection Cooled

19'' Rack Mount Power Systems

1U to 4U rack-mount rectifiers and modular shelves with hot-swappable modules, digital communications, and N+1 redundancy options for data, comms, and utility racks.

700W – 18kW · Hot-Swappable

High Voltage AC/DC Power Supplies

Precision regulated high-voltage power supplies delivering output voltages up to tens of kilovolts for laboratory testing, research, electrostatics, and specialized industrial equipment.

Up to High KV · Precision Regulated

Laboratory & Benchtop Power Supplies

Variable output programmable bench power supplies with fine voltage and current adjustment, digital telemetry displays, and remote control options for R&D benches.

Programmable · Low Ripple

Adapters & External Power Supplies

Class I and Class II external desktop power adapters built for industrial equipment, medical instrumentation, and commercial field units requiring international agency safety approvals.

Universal AC Input · Plug-in Format
Technical Reference

AC to DC Product Selection Matrix

Compare key operational parameters across our core AC/DC power platforms to identify the right model for your project parameters.

Technical comparison of popular industrial AC to DC series supplied by Helios Power Solutions.
Series / Family Form Factor Input Voltage Output Voltage Options Power Range Key Features
Enedo ADC Series DIN Rail / Panel 90 – 265 VAC 12V, 24V, 48V VDC 60W – 250W Convection cooled, built-in series diode, temperature-compensated charging capability
BR4U-EURO Series 19'' Rack Mount (4U) 90 – 265 VAC 12V, 24V, 48V, 110V VDC 200W – 2500W Plug-in Eurocard rectifiers, N+1 parallel operation, battery charging options
FPS1000 / HFE Series 1U 19'' Rack Shelf 85 – 265 VAC 12V, 24V, 32V, 48V VDC 1000W – 7600W Hot-swappable modules, internal ORing FETs, status alarms, high power density
Modular Power Series (ICT) 1U 19'' Rack Shelf 90 – 265 VAC 12V, 24V, 48V VDC 700W – 4900W OLED display, TCP/IP Ethernet interface, SNMP telemetry, managed load outputs
PFC419F Series 19'' Industrial Rack 90 – 265 VAC 24V, 48V, 110V VDC 1000W – 5000W Rugged Eurocard modules, forced air cooling, dry contact alarm outputs
Customization & Integration

Engineered to Your Exact Specification

Over 50% of the AC/DC power systems shipped by Helios Power Solutions are modified or engineered-to-order. Standard industrial datasheets often do not address extreme field ambient temperatures, unique mounting constraints, or specific SCADA monitoring protocols. Our engineering team bridges those specification gaps before system delivery.

  • Mechanical Modifications: Custom chassis dimensions, IP65/IP66 weatherproof outdoor enclosures, and shock/vibration isolation mounts.
  • Electrical Adaptation: Custom output voltage tuning, wide-range DC input options, low-noise ripple filtering, and surge suppression.
  • Environmental Hardening: Conformal coating on internal PCBs, extended ambient temperature derating (-40°C to +70°C), and marine treatment.
  • Digital Telemetry: SNMP traps, Modbus TCP/RTU mapping, DNP3 outstation interfaces, and configurable volt-free alarm relays.

Need a Specialized AC/DC Design?

Our application engineers analyze your load profiles, environmental conditions, and safety compliance requirements to recommend or design an optimal power conversion solution.

Buyer Knowledgebase

Frequently Asked Questions

Key parameters include the AC input range (universal 90-264VAC single phase vs 3-phase options), DC output regulation, output voltage adjustment range, efficiency, operating temperature derating curves, cooling method (convection vs forced air), isolation ratings, and safety certifications such as IEC/EN/UL 62368-1, EN 55032 Class B EMC, and CE standards.

An N+1 redundant configuration includes one extra rectifier module beyond the minimum required to power the connected load. Built-in isolation diodes or active ORing FETs ensure that if any individual module fails, it disconnects seamlessly from the DC bus while the remaining active modules supply full power without voltage transients.

Yes. Helios Power Solutions routinely customizes power systems. Options include specialized output voltage trimming, ruggedized rack mounts, conformal coating for harsh environments, custom alarm contact logic, and complete enclosure assembly with integrated AC input protection and DC output distribution breakers.

Active PFC optimizes the current drawn by the power supply so that the input current waveform follows the AC mains voltage waveform. This maximizes electrical efficiency (often resulting in power factors above 0.98), reduces harmonic distortion back onto the AC grid, and ensures compliance with global standards such as EN 61000-3-2.

Ready to Specify Your AC to DC Power Supply System?

Contact our technical sales engineers for datasheets, customized engineering reviews, and commercial quotation terms.