MEAN WELL Switching Power Supply, HEP-480-24A, 24V dc, 20A, 480W, 1 Output, 127 → 431 V dc, 90 → 305 V ac

The Mean Well HEP-480 series 480W single output AC to DC embedded switch mode power supply has an output current rating of 20A at 24VDC. It has a universal input supply voltage rating ranging from 90VAC to 305VAC/127VDC to 431VDC. This device can perform under extreme conditions such as high humidity, dusty, oily, high vibration and poorly ventilated environments. It is constructed of an aluminium casing and is fully potted with heat-conducted silicone.

Built-in power factor correction function
overload, over temperature, overvoltage and short circuit protection
Fanless design
Anti-vibration capability up to 10G
Operating altitude up to 5000m
Efficiency up to 95% (depending on model)
Class I power unit
Meets 6kV surge immunity level (line to earth)
V and I level can be adjusted through internal potentiometer

Outdoor telecommunications equipment
Billboards
Petroleum plants or mine shaft facilities

UL60950-1
IP65 (or IP68 for HEP-480 blank-type) approved TUV EN60950-1 (design refers )
Compliance to EN55022 (CISPR22) class B
EN61000-3-2,-3
Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11
EN55024
Light industry level (surge 6kV)
Criteria A