The Grayhill 56A30-01A12N is a robust single deck rotary switch designed for industrial applications. This switch features a compact 0.5" diameter and a .355" behind-panel depth, making it suitable for a variety of panel mounting scenarios. It offers adjustable stop types for rapid prototyping and is economically priced. The switch is RoHS compliant, ensuring environmental responsibility. It is available with various configurations including shorting and non-shorting contacts, and meets MIL-S-3786 specifications for shock, vibration, and thermal resistance. The switch's construction utilizes durable materials like zinc die cast housing, brass terminals with gold over silver plating, and stainless steel components for reliable performance.