Cosel Products

Cosel's main product families include: PBA series - Compact AC-DC power supplies for industrial applications; PLA series - High-power AC-DC power supplies; LFA series - Slim-line AC-DC power supplies; DPF series - DIN rail mount AC-DC power supplies; ZUS series - Ultra-compact AC-DC power supplies; SFS series - Low-profile AC-DC power supplies; CBS series - DC-DC converters for PCB mounting; CHS series - High-power DC-DC converters; EAC series - EMI filters for conducted noise suppression. Each family is optimized for specific applications with different form factors, power ratings, and features. Contact our FAE team for product family selection guidance.

Contact our FAE team to discuss which Cosel product family best fits your application requirements.

Selecting the right Cosel AC-DC power supply involves: Power calculation: Determine output power requirements including headroom (typically 20-30%); Input voltage: Select universal input (85-264VAC) or specific range; Output configuration: Single, dual, or multiple outputs; Form factor: Enclosed, open frame, PCB mount, or DIN rail; Environmental: Operating temperature, cooling method, IP rating; Certifications: Medical, industrial, or railway standards; Special features: Parallel operation, remote on/off, power good signal. Cosel's selection guides and datasheets provide detailed specifications. Our FAE team can assist with selection based on your specific requirements.

Use our selection guide or contact our FAE team for personalized AC-DC power supply recommendations.

Cosel offers both enclosed and open frame AC-DC power supplies: Enclosed power supplies feature a metal or plastic case providing protection against touch, dust, and moisture. They are suitable for standalone applications and easier to install. Open frame power supplies expose the components for better heat dissipation and are typically lower cost. They require installation in an equipment enclosure for safety. Enclosed types are preferred for: Standalone applications, Harsh environments, Easy maintenance access. Open frame types are preferred for: Cost-sensitive designs, Equipment with existing enclosures, Applications requiring custom cooling. Both types offer similar electrical performance and reliability. Contact our FAE team for form factor recommendations.

Use enclosed for standalone/harsh environments, open frame for cost-sensitive enclosed equipment. Contact us for recommendations.

Many Cosel power supply series support parallel operation for higher power or redundancy: Current sharing: Some models include active current sharing circuitry for balanced load distribution; Redundancy: Parallel for N+1 redundancy with OR-ing diodes; Synchronization: Parallel units operate in sync to reduce beat frequencies; Considerations: All parallel units must be identical models; Wiring must be balanced for equal current sharing; OR-ing diodes required for redundancy applications. Series with parallel capability: PBA series (certain models), PLA series, High-power industrial models. Check datasheets for specific parallel operation guidelines. Contact our FAE team for parallel configuration design assistance.

Check datasheets for parallel capability. Contact us for parallel configuration design.

Cosel power supplies offer high efficiency across their product range: Standard AC-DC: 85-90% typical efficiency; High-efficiency models: Up to 94-95% efficiency; DC-DC converters: 88-92% typical efficiency; Efficiency varies with load: typically highest at 50-100% load; Power factor correction (PFC): Most models include active PFC with >0.95 PF. Higher efficiency reduces: Energy consumption and operating costs; Heat generation, simplifying thermal management; System cooling requirements; Environmental impact. Cosel continuously improves efficiency through advanced topology and component selection. Check datasheets for efficiency curves at your specific operating point.

Check datasheets for efficiency at your operating point. Higher efficiency reduces operating costs and heat.