Why the 17A Frame Is a Common Substitution Question DILM17 sits in the middle of the DILM range and is the frame panel builders reach for when a 9A contactor is undersized for the load but a 25A frame wastes space in a crowded enclosure. The -10 suffix again means 10A AC-3; the frame rating […]
Decoding the Designation Before You Compare Prices A contactor designation is not marketing copy — it is a specification you can verify. In the DILM family the frame size comes first: DILM9 is a 9A frame, three poles. The -10 suffix is the 10A AC-3 rating, and the coil voltage sits in the order suffix. […]