Industrial Automation
COSEL AC-DC supplies, DC-DC converters and EMI filters for control panels, machines and industrial automation systems.
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Authorized COSEL Distributor
Your Authorized COSEL Distributor for AC-DC, DC-DC and EMI Filters
BeiLuo supplies genuine COSEL AC-DC enclosed power supplies, DC-DC converters and EMI filters from stock, with import documentation, competitive pricing and FAE-backed technical support.
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Authorized Partner
Official COSEL authorized distributor channel
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100% Genuine
Every part traceable to the COSEL factory lot
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19 Global Offices
Local support across Greater China, Americas, Europe and APAC
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Fast Delivery
Power supply and filter stock in regional warehouses
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FAE Support
Power, thermal and EMC guidance from our engineers
Why Choose BeiLuo
Genuine COSEL Products
Every part is sourced through COSEL's authorized channel and backed by certificates of origin and RoHS compliance documents.
In-Stock Power Stock
Mainstream AC-DC supplies, DC-DC converters and EMI filters are held in regional warehouses, cutting lead times for production lines.
Engineer-Level Support
Our FAE team helps you size the power and the cooling, plan the derating and the input filtering and choose the EMC filter.
Export Ready
Import declarations, certificates of origin and RoHS documents accompany every shipment for smooth customs clearance.
Flexible Logistics
EXW, DAP and door-to-door delivery options with tracked shipping to more than 40 countries worldwide.
COSEL Product Categories
COSEL AC-DC Power Supplies
PBA enclosed AC-DC power supplies from 50 W to 600 W with universal input, active PFC and a choice of convection or forced-air cooling.
3 product series
COSEL DC-DC Converters
Isolated CBS open-frame and ZUS board-mount DC-DC converters for a distributed power system and an isolated board-level rail.
2 product series
COSEL EMI Filters
NAC and EAC single-phase EMI line filters, 250 V AC and DC, with a range of currents and leakage codes for EMC compliance.
3 product seriesFeatured Solutions
Medical Power
COSEL power supplies and low-leakage EMI filters for medical equipment that must meet a strict safety and EMC limit.
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Telecom & Datacom
COSEL higher-power supplies and isolated DC-DC converters for telecom and datacom racks and distributed power systems.
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How to Select a COSEL AC-DC Power Supply
Compare COSEL AC-DC enclosed power supplies by output power, voltage, cooling, input range and package for industrial, medical and telecom designs.
How to Select a COSEL DC-DC Converter
A practical method for selecting COSEL DC-DC converters by power, input and output voltage, isolation and package for industrial designs.
How to Select a COSEL EMI Filter
Choose a COSEL EMI filter by current, voltage, phase, stage and attenuation for a clean industrial, medical or telecom power input.
News & Insights
BeiLuo Expands COSEL Power Stock Program
New stocking programs add COSEL AC-DC supplies, DC-DC converters and EMI filters to regional warehouses, improving lead times.
BeiLuo Opens an FAE Bench for COSEL Designs
BeiLuo's new verification bench lets FAE engineers measure efficiency, thermal derating and conducted emissions for COSEL parts.
Power Supply Outlook for Industrial Design 2026
How universal-input AC-DC supplies, isolated DC-DC converters and EMI filters are shaping efficiency and compliance through 2026.
Looking for a Reliable COSEL Power Partner?
Tell us your output power, voltage, input, cooling and EMC requirements, with your quantity and application. Our team responds within 24 hours with pricing, stock status and recommendations.
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