Home › ProductsAC-DC Power SuppliesOpen Frame / Chassis MountWLC550



  • 150W Convection / 250W Conduction / 550W Fan cooled
  • Conduction plate dissipates heat away from enclosure
  • -40 to 70°C ambient operating temperature
  • Unit can be mounted in any orientation without derating
  • 5 x 3” footprint in low profile 1.5” form factor
  • EN55032 Level B conducted & radiated
  • 5 Year warranty

Product Description

The WLC550 series of low profile, open frame AC-DC power modules offer up to 150W convection, 250W conduction and 550W fan cooled in a low profile 1.5”, 5” x 3” package. The conduction plate is designed to efficiently dissipate heat from the hot components keeping enclosure ambient to a minimum. The units have a wide operating ambient temperature of –40 to 70°C, in a range of voltages from 12V to 58V. The units all come with a FiDUS 5 year warranty.

Contact us on 01183 420730 or sales@fiduspower.com to confirm stock levels, leadtimes and further prices.

Part numbers
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5 x 3 x 1.5” (127 x 76.2 x 38.1mm)

Input Voltage

90-264 VAC

No Load Input Power

< 0.5 / 0.7 W

Harmonic Currents

EN61000-3-2 Class D


Up to 92%

Operating Temp

-40 to 70°C, see datasheet for derating curve 


Input to Output 3000VAC

Input to Ground 1500VAC

European Safety Approvals

EN60950-1 2nd Ed.

US Safety Approvals

UL60950-1 2nd Ed.

Other Safety Approvals

IEC60950-1 CSA22.2 No 60950-1


EN55032 Conducted - Level B

EN55032 Radiated - Level B

Safety Approvals

(M)WLC550 RoHs Certificate (M)WLC550 RoHs Certificate (96 KB)

WLC550 CB certificate WLC550 CB certificate (339 KB)

WLC550 DoC WLC550 DoC (62 KB)

WLC550 Nemko Certificate WLC550 Nemko Certificate (208 KB)

WLC550 UL certificate WLC550 UL certificate (206 KB)

3D Models

(M)WLC550 3D drawing IGS (M)WLC550 3D drawing IGS (19275 KB)

(M)WLC550 3D drawing STP (M)WLC550 3D drawing STP (9508 KB)

Require a modified standard part?

Based on your specific requirements, our AC-DC power supplies, DC-DC converters and medical grade power supplies can be supplied with variations to input/output parameters and non-standard connections to meet the needs of your application.

Can’t find what you are looking for? Call us 01183 420730 or

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