Cotek DN 40-48 DIN Rail Power Supply 48VDC 0.85A 40W 1-Phase

LED - Light Emitting Diode - a small light source

DC - Direct Current

Brown - A colour, commonly associated with earth or soil

Warranty - A service provided by the retailer or manufacturer to ensure a device works for a period from new

40mm - The equivilent of 4cm

Year - The time it takes the planet earth to orbit the sun. This takes around 365.25 days.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Warranty - A purchasers guarantee from the manufacturer for replacement/fix of goods when faulty.

Wide - Something with a large width.

Voltage - A measurement of volts.

Year - 365 days (366 days in a leap year), the time taken for planet earth to make one full revolution around the sun.

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