100w 14.6v 5A UPS Charge Function SMPS Battery Charger
- Integrated seamless battery backup switchover
- Input: 100-240V AC 50/60Hz UK standard
- Engineered for LiFePO4 and Sealed Lead-Acid cells
Engineered For British Industry
High-Reliability Power & Voltage Conversion Units
Explore our export-grade line of industrial transformers, DIN-rail conversion supplies, and high-efficiency adapters fully conforming to UK statutory safety and electromagnetic compatibility regulations.
Multi-Voltage Regulated Universal AC/DC Power Adapter
- Selectable DC outputs: 5V, 9V, 12V, 15V, 24V up to 10A
- BS 1363 standard 3-pin fused plug design
- Complete short-circuit and over-voltage trip
5V 2A 10W Level VI Compact Wall-Mount Power Adapter
- DoE Level VI & EU CoC Tier 2 eco-efficiency
- UKCA & CE safety certified enclosure
- Sub-75mW zero-load standby power consumption
Industrial Regulated 12V 24V 48V DC Chassis SMPS
- High-current outputs ranging from 1A to 50A
- Galvanic isolation: 3,000V AC primary to secondary
- Vibration-resistant terminal barrier strip
High-Density TS-35 DIN-Rail Industrial Power Supply
- Universal 85–264V AC wide input tolerance
- Active Power Factor Correction (PFC > 0.95)
- Conformal coated PCB for humid UK plant facilities
Heavy-Duty 48V DC 30A-50A High-Amperage Conversion SMPS
- Configurable dual AC tap: 120V/230V automated sensing
- Forced-air intelligent fan cooling system
- Designed for telecom rectifiers & motor controllers
Modular Perforated Enclosure SMPS Series (5W - 1500W)
- Low-profile aluminum casing with high thermal radiation
- Surge immunity according to BS EN 61000-4-5
- MTBF > 350,000 hours under Telcordia SR-332
360W Constant-Voltage Architectural LED Driver & Transformer
- Ultra-low ripple & noise (< 120mVp-p) eliminating flicker
- SELV compliant output insulation system
- Overload protection with automated auto-recovery
Engineering Whitepaper Analysis
Bridging Chinese Manufacturing Scale with UK Technical Compliance
Navigating the post-Brexit regulatory landscape requires British electrical contractors, system integrators, and mechanical-electrical consultants to satisfy strict UKCA (UK Conformity Assessed) criteria alongside the harmonised BS EN 61558-1/-2 series. Sourcing magnetic and voltage conversion components directly from Shaanxi Zelqo Power Co., Ltd. eliminates intermediate supply-chain markups while maintaining verifiable adherence to IET Wiring Regulations (BS 7671:2018+A2:2022).
The UK distribution grid operates nominally at 230V single-phase (+10% / -6%) and 400V three-phase at 50Hz. Voltage transformers must be engineered to endure higher core flux densities during upper-tolerance surges (reaching 253V) without triggering core saturation, excessive magnetostriction noise, or thermal runaway.
Consult a Senior Magnetics Engineer| Design Architecture | Core Magnetic Material | Nominal Efficiency | Typical UK Application |
|---|---|---|---|
| Toroidal Transformer | Grain-Oriented Silicon Steel (M4/CRGO) | 94.5% - 98.2% | Hi-Fi Audio, Medical Isolation, Elevator Controls |
| EI Laminated Unit | Non-Oriented Silicon Steel Lamination | 82.0% - 89.5% | HVAC Actuation, Industrial Control Panels |
| High-Frequency Ferrite | Mn-Zn Ferrite (PC40 / N87 Grade) | 90.0% - 95.8% | Switched-Mode Inverters, EV Charger Subsystems |
| DIN-Rail Switched PS | Multi-topology Planar / Flyback | 89.0% - 94.0% | Factory Automation, PLC Cabinets, SCADA |
Localized Field Deployment
Mission-Critical Applications Across Great Britain
From Network Rail lineside signaling enclosures to Scottish renewable energy microgrids, our custom-wound transformers deliver consistent thermal stability and rigorous galvanic isolation.
Rail Lineside Infrastructure & Signalling
Conforming to the insulation coordination criteria of BS EN 50125-1 and Network Rail environmental tolerances. Our custom isolation transformers safeguard train tracking relays and lineside telecommunications against earth loops and switching surges.
NR/L2/SIGELP/27228 Ready
Automated Control Panels & BMS
UK industrial panel builders across Birmingham, Sheffield, and Manchester rely on our DIN-rail switched supplies and multi-tap step-down EI transformers to step 400V 3-phase down to 24V DC / 110V AC control circuits with total zero-load stability.
BS 7671 Amendment 2
BESS & Commercial Heat Pump Integration
Auxiliary power conversion for Battery Energy Storage Systems (BESS) and commercial air-source heat pumps. Engineered to suppress harmonic distortion generated by high-frequency silicon carbide (SiC) and gallium nitride (GaN) switching stages.
High dV/dt Surge Tolerance
Medical & Laboratory Isolation Units
Ultra-low leakage toroidal isolation units (< 100μA earth leakage current) equipped with electrostatic copper shielding between windings. Deployed across NHS trust hospital cleanrooms, patient diagnostic monitors, and sensitive audio analysis suites.
BS EN 60601-1 / IEC 61558-2-15
Verified Supply Chain Integrity
Inside Zelqo Power: Xi'an Manufacturing Capabilities
Shaanxi Zelqo Power Co., Ltd. operates state-of-the-art winding, insulation, and multi-stage testing facilities verified on-site by Intertek. Every batch destined for British ports undergoes comprehensive quality validation.
Automated CNC & Toroidal Winding
High-precision multi-axis CNC machines and automated circular winding heads guarantee consistent turn-layer distribution, minimizing leakage inductance and ensuring strictly repeatable impedance values across high-volume production batches.
Rigorous Dielectric Testing Station
Every single unit is subjected to calibrated Hi-Pot dielectric breakdown tests (up to 4.5kV AC primary-to-secondary) and inter-turn surge impulse testing, completely preventing field insulation breakdown and ensuring operator protection.
100% 4-Hour Burn-In at Full Rated Load
Eliminating early infant mortality failures: our high-capacity burn-in racks exercise power supplies and active transformers under elevated ambient temperature (45°C) and cyclical electrical stresses before final packaging and release.
Regulatory Evolution & Future Outlook
Navigating UK Energy Transition & Compliance Standards
The UK power industry is experiencing accelerated transformation driven by the statutory Net Zero 2050 target and post-transition national conformity frameworks.
UKCA Marking Compliance
Following the UK's departure from the European single market, the UK Conformity Assessed (UKCA) framework governs commercial equipment sales. Our technical construction files (TCFs) are curated to enable seamless verification by UK market surveillance authorities (OPSS), including complete electrical safety, EMC Directive compliance, and RoHS conformity declarations.
Ecodesign Tier 2 & Low Carbon Footprint
Under the UK Ecodesign for Energy-Related Products Regulations, transformers and power supplies must satisfy increasingly demanding minimum energy performance standards (MEPS). We utilize high-permeability grain-oriented electrical steel cores and synchronous rectification topologies that cut no-load losses by up to 34% compared with legacy transformers.
Decentralised Microgeneration & EV Integration
The explosive rollout of rapid DC EV charging hubs and rooftop commercial PV across the UK creates localized power quality anomalies, such as voltage unbalance and high third-harmonic content. Zelqo engineers custom transformers with reinforced K-factor ratings (K-13 and K-20) to dissipate eddy-current heat caused by severe non-linear loading.
Procurement Technical Advisory
Frequently Asked Questions by UK Buyers
Direct answers addressing technical specifications, logistics, safety approvals, and bespoke modifications for British engineers and procurement directors.
How do your transformers accommodate the UK grid voltage tolerance (230V +10% / -6%)? +
Under the Electricity Safety, Quality and Continuity Regulations 2002, the UK nominal voltage is 230V AC, but distribution networks can supply up to 253V continuous during low-load intervals. Off-the-shelf transformers wound tightly for 220V saturation points often overheat on UK lines. Zelqo custom calculates magnetic core flux density (≤ 1.55 Tesla on toroidal designs and ≤ 1.4 Tesla on EI laminations) specifically for a 253V operating threshold, ensuring negligible core saturation, minimal magnetizing inrush, and quiet operation below 35dB.
Can Zelqo provide valid UKCA and CE Declarations of Conformity with third-party test reports? +
Yes. Shaanxi Zelqo Power Co., Ltd. is verified on-site by Intertek. For each customer contract, we issue comprehensive technical documentation, including Declarations of Conformity against the Electrical Equipment (Safety) Regulations 2016, Electromagnetic Compatibility Regulations 2016, and BS EN 61558/BS EN 62368-1. Model-specific test certificates from accredited test laboratories (LCR parameters, Hi-pot dielectric reports, thermal rise curves) are provided alongside shipping manifests.
What lead times and logistical terms do you offer for shipments into UK ports? +
Standard prototype engineering samples are fabricated, tested, and dispatched via express air freight (DHL/FedEx) within 7 to 10 working days. For volume purchase orders, sea freight transit from Qingdao/Shanghai to Southampton, Felixstowe, or London Gateway typically takes 28 to 35 calendar days. We routinely execute contracts under Incoterms 2020 including FOB, CIF, and DDP (Delivered Duty Paid), taking full responsibility for customs clearance and UK import duties.
Can you incorporate custom thermal fuses, multi-tap secondaries, or specialized UK terminations? +
Complete design flexibility is our core operational advantage. We regularly manufacture units with integrated thermal cut-offs (One-Shot thermal fuses 115°C - 150°C or auto-reset bimetallic switches), internal electrostatic screens (copper foil between windings to minimize capacitive EMI), multi-tap primaries (0-220V-230V-240V), and flying leads terminated with WAGO connectors, TE Connectivity AMP crimps, or heavy-duty Phoenix Contact screw terminal blocks.
What is the difference between Toroidal and EI laminated transformers for building automation? +
Toroidal transformers feature a continuous circular grain-oriented steel strip without air gaps, achieving approximately 50% lighter weight, up to 96% efficiency, and near-zero mechanical hum with extremely low radiated stray magnetic fields (ideal for sound broadcast racks, sensitive medical monitors, and residential HVAC controllers). EI laminated transformers, while bulkier, are inherently more economical and provide higher physical resistance to primary voltage spikes and electrical surges, making them widely favored for rugged DIN-rail and industrial panel mountings.
Do your switched-mode power supplies (SMPS) comply with UK harmonic emission regulations? +
Yes. All Zelqo industrial power supplies rated above 75W incorporate active Power Factor Correction (PFC) circuitry yielding power factors > 0.95 and full compliance with BS EN 61000-3-2 (Limits for harmonic current emissions). This prevents network distortion, lowers reactive power penalties from UK energy suppliers, and avoids overheating building neutral conductors.