The 6ES7194-2MH03-1AA0 is an ultra-short 0.3-meter 24VDC power extension for the ET 200AL system, with straight M8 plug to straight M8 socket and a gray PUR jacket. At 300mm, it bridges adjacent-module power with no excess cable to manage.

Why 0.3 meters is the sweet spot for enclosure wiring

Adjacent ET 200AL modules on a DIN rail are typically 50–150mm apart center-to-center. A 0.3-meter cable spans that gap with a clean, direct run—no service loop to bundle, no coil to secure, no slack to interfere with the enclosure door or ventilation. In a dense I/O rack, using 0.3m cables where they fit eliminates the visual and mechanical clutter of folded 1m cables. Step up to 1m (6ES7194-2MH10-1AA0) when the modules sit in different enclosure sections.

Straight vs angled at 0.3m

Straight connectors are easier to grip and mate—an advantage at 0.3m where there is little cable length to flex during insertion. If door clearance is tight (under 50mm from the module face), the angled variant (6ES7194-2MH03-1AB0) saves 13–18mm of projection at each end.

Frequently Asked Questions

What is the minimum module spacing for this cable?

The 0.3m cable length accommodates modules spaced up to roughly 250mm apart (accounting for the connector bodies and a small routing margin). For modules mounted immediately adjacent (butt-to-butt), Siemens offers the 0.19m variant (6ES7194-2MH02-1AA0).

How many flex cycles is this cable rated for?

The 4×0.50mm² PP-core unshielded construction is rated for 2 million flex cycles at a 51mm minimum bend radius. Within a stationary enclosure installation, this far exceeds the expected service life of the system.