Circular Connectors

Circular Connectors are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many Circular Connector manufacturers, including Amphenol, Glenair, ITT Cannon, LEMO, Phoenix Contact, Souriau, TE Connectivity & more.

Circular connectors are rugged interconnect components designed to provide secure electrical, signal, and data connections through a cylindrical interface. Their durable construction and reliable mating mechanisms help ensure consistent performance in applications exposed to vibration, moisture, dust, and other demanding environmental conditions. These connectors are widely used across industrial, transportation, aerospace, medical, and communication systems where dependable connectivity and long service life are critical.

Types: The most common circular connector types include threaded circular connectors, push-pull circular connectors, bayonet circular connectors, M-series connectors, military-style circular connectors, waterproof circular connectors, mixed-signal circular connectors, and power circular connectors, each designed for specific environmental, electrical, and mechanical requirements.

Applications: Circular connectors are widely used in industrial automation equipment, transportation systems, medical devices, communication infrastructure, aerospace platforms, robotics, process control systems, and power distribution applications to provide reliable signal and power connectivity.

Selection requirements: To choose circular connectors, evaluate contact count, current and voltage ratings, connector size, environmental sealing, mating style, operating temperature range, vibration resistance, termination method, and suitability for the intended electrical and environmental conditions.

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Please view our large selection of circular connectors below.