Is "height" the distance from the din rail to the surface with adjustment screw? is "length" the distance from the ends having the power terminals?

On the spec sheet, the height is from top to bottom. Depth is from din rail to the screw. While on the website, the length is the top to bottom, height is from left to right. Width is from din rail to terminal Spec sheet here - https://link.wellforces.co.nz/B7Iv

which side is "length" and which is "height"?

Hi there, Dimension is 17.5*90*54.5mm (W*H*D) W-17.5 H-90 D-54.5mm

Meanwell Hdr 15 12 Dc 12v 1 25a 15w Ultra

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Description

⚡ Power up your setup with sleek, reliable energy!

RELIABLE OUTPUT - Delivers a steady 12V DC at 1.25A, perfect for critical electronics.
COMPACT POWERHOUSE - Ultra-slim step-shape design fits tight DIN rail spaces effortlessly.
PLUG PLAY CONFIDENCE - Mean Well’s trusted quality ensures consistent performance every time.
SPACE SMART EFFICIENCY - Only 1.75 cm thick, it maximizes your control panel real estate.
UNIVERSAL COMPATIBILITY - Supports a broad 85-264VAC input range for global adaptability.

The MeanWell HDR-15-12 is a 15W ultra-slim DIN rail power supply delivering 12V DC at 1.25A, designed for compact industrial and electronic applications. With a wide input voltage range of 85-264VAC and a minimal 1SU step-shape form factor, it offers dependable, space-saving power solutions trusted by professionals worldwide.

Reviews

D**N

Original Meanwell, all OK

Meanwell. Exactly as per datasheet parameters.

10.10.2025

F**K

Qualité

Pas utilisé

18.01.2025

P**N

works great and has a nice small footprint

great supply if you use it as intended

22.01.2026

C**.

Excellent Mean Well Power Supply!

High quality! Don't buy the counterfeit when you can always use a a MeanWell! Excellent quality and safe for your operation.

2.08.2025

T**X

Pure power

Plenty of power

5.01.2026

S**R

Handy power supply!

Great small power supply!

4.08.2025

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ASIN	B074DV7ZKS
Best Sellers Rank	#11,436 in Computers ( See Top 100 in Computers ) #70 in Computer Power Supplies
Item model number	HDR-15-12
Manufacturer	Meanwell
Product Dimensions	1.75 x 8.99 x 5.46 cm; 82 g

MeanWell HDR-15-12 DC 12V 1.25A 15W Ultra Slim Step Shape DIN Rail Power Supply

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