The 44M30-03-1-05N is a multi-deck, single-shaft rotary switch from the Series 44 family, designed for rugged and reliable circuit selection. It features a 30-degree angle of throw and is constructed with three decks, each having a single pole with five non-shorting (break-before-make) contact positions. As a military-qualified 'M' style switch, it is designed for operation from -65°C to 85°C and meets the requirements of MIL-DTL-3786/4. The robust construction ensures a long mechanical life, making it suitable for demanding applications in military equipment, avionics, and industrial control panels where precise, multi-position switching is required.