Explore our high-reliability low voltage switchgear, transformer assemblies, and intelligent power distribution units (PDUs) manufactured under stringent ISO 9001:2015 and IEC standards.
Rugged corrosion-resistant aluminum enclosure engineered for high ambient temperatures, handling 110V-10KV system step-downs and 50/60Hz outdoor power feeds.
Three-phase copper winding design delivering low loss and high short-circuit withstand for rural substations and industrial facilities adhering to IEC and CE directives.
High-capacity switchgear sub-assembly featuring modular circuit protection, internal busbar isolation, and customized breaker configurations for process plants.
Seamless mains-to-generator auto-transfer logic box built for zero-downtime micro-grid integration, continuous voltage sensing, and emergency bypass switching.
Pre-wired industrial maintenance panel fitted with safety interlocks, auxiliary socket banks, and integrated RCD circuit protection for rapid field commissioning.
UV-stabilized polycarbonate and ABS enclosure system optimized for extreme outdoor environments, modular DIN-rail mounting, and branch circuit switching.
Heavy-duty ABS socket panel featuring standard CEE connectors, security key locking, individual circuit breaker protection, and high impact resistance.
Director-level intelligence with slave controller chaining, remote outlet switching, real-time power telemetry, and surge suppression for mission-critical racks.
Selecting a reliable CE Certified Low Voltage Supplier requires looking far beyond surface-level electrical parameters. Low Voltage Systems (defined under IEC international frameworks as operational alternating current up to 1000V and direct current up to 1500V) form the foundational nerve center of industrial processing plants, electrical distribution substations, telecom exchanges, and renewable energy assets.
Under the EU Low Voltage Directive (LVD 2014/35/EU) and international IEC 61439 standards, low voltage assemblies must guarantee robust dielectric strength, thermal dissipation efficiency, short-circuit withstand withstand ratings ($I_{cw}$), and electro-magnetic compatibility (EMC 2014/30/EU). A compliance failure in high-demand environments causes unscheduled outages, expensive equipment degradation, severe arc-flash risks, and regulatory penalties.
Our engineered low-voltage distribution platforms strictly adhere to global regulatory bodies and quality management frameworks:
With over 38 years of specialized experience in low-voltage power conversion, distribution design, and industrial backup systems, Helios Power Solutions Group backs every deployment with factory acceptance testing and global lifecycle technical engineering.
Every low voltage power distribution cabinet, step-down transformer, and custom OEM PDU undergoes rigorous factory acceptance testing (FAT), full dielectric insulation resistance checks, and load profile simulation prior to delivery.
More than half of our delivered solutions are engineered to order. We customize mechanical layout footprints, busbar current capacities, auxiliary voltage taps, and environmental shock/vibration proofing for demanding site specifications.
Through the Helios Priority Programme, asset operators standardizing on our low voltage architectures receive prioritized technical dispatch, stock reservation for mission-critical parts, and guaranteed multi-decade component support.
Compare low voltage distribution, automatic transfer, step-down conversion, and intelligent rack PDU architectures to match your specific industrial operational parameters.
| Architecture Type | Primary Industrial Applications | Nominal Voltage & Ampacity Range | Key Compliance & Selection Trap Considerations |
|---|---|---|---|
| IP67 Aluminum Alloy Distribution Boxes | Harsh outdoor industrial sites, mining operations, marine environments, and construction utility feeds. | 110V – 10kV step-down input; 16A – 125A continuous output. | Thermal dissipation under full sunlight load; dynamic gasket compression integrity over temperature cycling (-40°C to +85°C). |
| Oil-Immersed Distribution Transformers | Rural substation step-downs, utility grid step-down nodes, heavy industrial process machinery power. | 10kV primary step-down to 400V 3-Phase; 100kVA – 2500kVA ratings. | Dielectric fluid insulation degradation monitoring; copper vs aluminum winding efficiency loss; IEC 60076 thermal limits. |
| Automatic Transfer Switch (ATS) Cabinets | Emergency backup power switching for healthcare facilities, data centers, micro-grids, and continuous process lines. | 220V Single-Phase / 380V Three-Phase; 63A – 800A transfer capacity. | Break-before-make vs make-before-break transition timing; mechanical interlock reliability; phase-angle matching during transfer. |
| Modular IP65 Polycarbonate Enclosures | Commercial sub-distribution boards, solar PV array combiner boxes, branch circuit protection panels. | 230V / 400V AC; 4-Way up to 52-Way DIN-rail module capacity. | UV rating for direct sunlight exposure; IK protection rating against mechanical impact; cable gland sealing integrity. |
| Smart Rack-Mount PDU Systems | Server rooms, telecom headends, industrial control cabinets, SCADA remote terminal unit (RTU) power feeds. | 110V – 240V AC Single-Phase / 400V Three-Phase; 16A – 63A per phase. | RS485 daisy-chain length limits; SNMP v3 cybersecurity encryption; relay contact endurance under high-inrush capacitive server loads. |
The global shift toward industrial decarbonization, smart micro-grids, and localized energy storage is fundamentally re-defining procurement requirements for low-voltage equipment suppliers worldwide.
Traditional passive distribution boxes are rapidly being superseded by digitalized low-voltage nodes. Modern procurement managers now prioritize switchgear integrated with intelligent power monitoring meters, thermal busbar sensor arrays, and Modbus/DNP3 telemetry interfaces. Early detection of phase imbalance, neutral harmonic currents, and insulation degradation mitigates catastrophic downtime before physical breaker tripping occurs.
Industrial facility expansions demand flexible modular power distribution systems. Instead of hard-wired single-purpose panelboards, buyers specify DIN-rail expandable, hot-swappable circuit assemblies. This allows facility engineers to scale capacity from 4-way up to 52-way configurations without shutting down master feeders, reducing total cost of ownership (TCO) and capital expenditure timelines.
With stringent global environmental regulation (such as EU RoHS 3 and REACH compliance), low voltage equipment manufacturers are mandated to transition to non-toxic, recyclable materials. Procurement specifications increasingly require halogen-free polycarbonate housings, low-loss grain-oriented silicon steel transformer cores, and non-hazardous insulating oils, ensuring minimal environmental impact over a 25-year design lifecycle.
Explore how our customized CE-certified low-voltage distribution assemblies defend process uptime across demanding industrial operational environments.
Engaged by electrical integration consultants during initial site planning, Helios engineered and factory-tested custom 3-phase low-voltage distribution and battery backup panels protecting the automated bark handling line at one of the world's largest pulp mills.
Designed and supplied redundant low-voltage DC auxiliary power systems and distribution cabinets engineered to supply reliable tripping and closing current for medium-voltage circuit breakers with full Modbus RTU telemetry to site SCADA.
Engineered a compact 1U shock-mounted low-voltage power distribution unit for severe ambient environments. Features conformal-coated PCBs, wide DC input range, and multi-channel auxiliary isolation for tactical mobile communications.
Get immediate clarity on compliance testing, custom OEM capabilities, transformer sizing, and ingress protection selection.
CE marking on a low voltage distribution system indicates compliance with essential European Union directives. Principally, this includes the Low Voltage Directive (LVD 2014/35/EU), which covers electrical safety between 50V and 1000V AC (and 75V to 1500V DC), and the Electromagnetic Compatibility Directive (EMC 2014/30/EU). Furthermore, industrial low voltage switchgear assemblies must comply with manufacturing standards under IEC/EN 61439-1 and 61439-2, which specify mandatory design verification for creepage/clearance distances, protective earthing continuity, temperature rise, and short-circuit withstand withstand capability.
Selection depends primarily on environmental exposure, mechanical stress, and chemical contact. IP65 Plastic/Polycarbonate enclosures offer excellent electrical insulation, complete corrosion resistance, light weight, and lower cost—making them ideal for commercial sub-distribution, solar PV combiners, and general outdoor light industrial use. Conversely, IP67 Aluminum Alloy enclosures provide superior mechanical impact protection (IK10), total temporary submersion capability (up to 1m depth), effective electromagnetic shielding (EMI/RFI), and enhanced heat dissipation for high-current applications or extreme mining/marine environments.
Yes. Over 50% of the equipment supplied by Helios Power Solutions Group is custom-engineered to customer specifications. Our engineering teams perform complete electrical re-rating, mechanical design, auxiliary component integration, and customized communications mapping (including DNP3 outstations, Modbus RTU/TCP, and SNMP traps). Every engineered system is validated via thorough factory acceptance testing (FAT) prior to dispatch.
While aluminum windings offer lower upfront material costs, copper windings deliver superior conductivity, lower $I^2R$ thermal energy losses, higher mechanical strength during short-circuit electromagnetic stress, and a significantly smaller physical footprint. Copper transformers also exhibit lower thermal expansion stress on insulation materials, resulting in extended operational lifespans under continuous heavy load in utility substations.
An ATS control cabinet continuously monitors incoming primary utility line voltage and frequency. Upon detecting a blackout, drop, or phase fault, the ATS controller signals the backup generator to start, verifies stable output voltage, and automatically transfers the load via motorized break-before-make or synchronised closed-transition switchgear. Once utility power is fully restored and stabilized, the system seamlessly transfers the load back to the primary grid and initiates engine cool-down cycles.
Our Director-level Smart PDUs support industrial standard communications protocols including RS485 (Modbus RTU) for serial daisy-chaining, Modbus TCP, and SNMP (v1, v2c, v3) for central Network Management Systems (NMS) or Building Management Systems (BMS). This allows facility managers to remotely monitor voltage, total load current, active power (kW), energy consumption (kWh), power factor, and individual outlet switching status in real time.