The Grayhill Inc. 44M30-10-1-3N is a robust and reliable rotary switch designed for a variety of applications requiring precise and durable switching capabilities. This switch is part of the Grayhill's 44M series, known for their rugged construction and long operational life.

Applications

• Industrial control panels: Used for selecting different operating modes or parameters in industrial machinery.
• Medical equipment: Found in diagnostic and therapeutic devices requiring precise control settings.
• Military and aerospace applications: Employed in communication systems, navigation equipment, and control panels due to its high reliability and durability.
• Test and measurement instruments: Used in oscilloscopes, signal generators, and other instruments for selecting ranges and functions.
• Communication equipment: Incorporated in radio transceivers, audio mixers, and other communication devices.

Features

• Rotary Switch: Allows for selection between multiple positions by rotating the shaft.
• 30° Angle of Throw: Provides distinct and positive indexing between positions.
• 10 Positions: Offers a wide range of selectable options.
• 1 Deck: Single pole configuration for simple switching operations.
• 1 Pole: Single circuit control per position.
• Non-Shorting Contacts: Prevents momentary connection between adjacent positions during switching.
• Solder Lug Terminals: Ensures secure and reliable wire connections.
• Metal Shaft and Housing: Provides durability and protection against harsh environments.
• IP67 Sealed Option Available: Some versions offer protection against dust and water ingress.

Benefits

• High Reliability: Ensures consistent performance in demanding applications.
• Long Operational Life: Reduces the need for frequent replacements.
• Precise Switching: Provides accurate and repeatable selection of positions.
• Durable Construction: Withstands harsh environments and mechanical stress.
• Versatile Applications: Suitable for a wide range of industrial, medical, and military uses.
• Easy to Install: Solder lug terminals simplify wiring and connection.

Additional Details

The 44M30-10-1-3N rotary switch is designed with high-quality materials to ensure durability and reliability. The metal shaft and housing provide protection against mechanical stress and environmental factors. The non-shorting contacts prevent momentary connections between positions, ensuring clean and accurate switching. The solder lug terminals offer a secure and reliable method for wire connections. The switch is available in various configurations, including sealed options for protection against dust and water ingress.

Electrical Specifications (Typical):

• Contact Resistance: Typically less than 20 milliohms.
• Insulation Resistance: Typically greater than 1,000 megohms.
• Dielectric Strength: Typically 1,000 VAC minimum.

Mechanical Specifications (Typical):

• Operating Temperature: -40°C to +85°C.
• Rotational Life: Typically 25,000 cycles.