50 Years of Powering Innovation — Cosel Leads the Way
For over half a century, Cosel has been a trusted name in power supply technology. As one of the industry's top manufacturers, we deliver precision-engineered solutions that keep critical systems running — reliably and efficiently.
What We Manufacture are AC-DC Power Supplies, DC-DC Converters, Power Modules, and EMI Filters.
From factory floors to medical devices, Cosel products power the backbone of innovation across industries.

Please enter the first 3 letters of the part number for product search.
e.g. AC3-TPDD-00 ⇒ AC3，CBS1002405 ⇒ CBS

50 Years of Powering Innovation — Cosel Leads the Way
For over half a century, Cosel has been a trusted name in power supply technology. As one of the industry's top manufacturers, we deliver precision-engineered solutions that keep critical systems running — reliably and efficiently.
What We Manufacture are AC-DC Power Supplies, DC-DC Converters, Power Modules, and EMI Filters.
From factory floors to medical devices, Cosel products power the backbone of innovation across industries.

The extremely low failure rate eliminates your concerns about quality.It significantly saves time and cost for railway equipment maintenance works.· A wide input voltage range is ideal for the railway industry as it helps to standardize the required parts· The implementation of six-sided shielding provides high insulation and mitigates noise· It features long welding lifetime and high reliability
The railway industry uses various power supply voltages.The common voltage ratings are 24VDC, 48VDC, 72VDC, 96VDC, and 110VDC. Up until now, it has been necessary to individually select the appropriate power supply for each device.24V Series 48V Series Two different types of products ◆ Requires identified management on the productst ◆ Complicate the procurement and manufacturing processes

Wide input voltage range

  • MG80 MGFS/MGFW MG40 MGFS/MGFW
  • Two types of products needed 12V Series 24V Series Wide input voltage range helps unify the required parts

Wide input voltage range is suitable for the railway industry

Power 24 Series EU 48 Series EU 110 Series EU/China/India
1.5W MGFS1R5 MGFS1R5
3.0W MGFS3 MGFS3
6.0W MGFS6 MGFS6
10W MGFS10 MGFS10
15W MGFS15 MGFS15
30W MGFS30 MGFS30
40W MGFS40 MGFS40
50W DHS50A
80W MGFS80 MGFS80
100W DHS100A
200W DHS200A

Diverse product lineup, covering the 24/110 series mainstream products in China and EU market.

MG Series
The railway power supply requires shielding to protect against external interference.While many railway equipment have lightning arrestors, the power supply equipment can still be exposed to high voltages during lightning strikes. To safeguard the power supply equipment from potential damage caused by such voltage surges, it is crucial to install a lightning-resistant transformer or a similar protective device.
  • Implement reinforced insulation and high insulation voltage withstanding protection system ■High voltage withstanding specification Our MG series has a withstanding voltage of 1,500V DC and high insulation.High insulation protects equipment from external threats Increase safety by enhancing insulation and voltage resistance between input and output.It can also be be used in applications requiring high insulation withstand voltage, such as .
  • Mitigate noise by Six-sided shielding ■Protect device by preventing noise penetration Six-sided shielding In comparison with noise levels between five-sided shielding and six-sided shielding at the bottom center of the MG Series
Service lifetime of railway device and equipment is quite long.General (expected) service lifetime of railway device and equipment is 10 years. The longer the expected product lifetime, the less frequent the need for repairs and regular replacements, resulting in a reduced maintenance workload.

Long warranty

MG Series It features long welding lifetime and high reliability Relieve stress by using silicone gel 10-year warranty
Railway application cases ·Cabin Communication system ·Passenger cabin Entertainment system MG Series
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