Description Of Nanaboshi NCS-503-R Circular Connector
Nanaboshi NCS-503-R is a metal round connector of the NCS series designed for various circuit applications in indoor non-waterproof environments, such as inside factories.

It has a sturdy and simple structure, making it easy to handle and ensuring mechanical and electrical stability.
Overview Nanaboshi NCS-503-R Circular Connector
- Basic type of round metal connectors.
- Representative series that has proven performance in various indoor manufacturing equipment over a long period.
- High resistance to starting and load current enables these connectors to be active in various manufacturing equipment.
Features of Nanaboshi NCS-503-R Circular Connector
RoHS | RoHS Directive compliant |
Waterproof | Non |
Lock method | Thread lock |
Features of mechanism/ material | · Simple structure, easy handling, and robust. · Ten shell sizes and many connector shapes available for a wide variety of applications |
Standards | < CSA NRTL/C > standard certified connectors available. ? CSA : C22.2 No.182.3 UL : 1977 ? |
Cable termination | Soldering |
Application of Nanaboshi NCS-503-R Circular Connector
The NCS-503-R connector is suitable for use in various industrial applications that require reliable cable connections in an indoor non-waterproof environment, such as:
- Connecting cables with other equipment or other cables within the plant.
- Control panel and power distribution applications.
- Industrial equipment that requires stable and secure electrical connections.
Specifications of Nanaboshi NCS-503-R Circular Connector

- Connector Shape: Round
- Connector series initials: M/N/O
- Series starting with M, N, O: NCS
- Applicable pin/contact: Male
- Number Of Pins: 3
- Application: Panel Mount
- Allowable Current(A): 10/5
- Allowable Voltage(V): 250
- Wire connection method: Solder
- Connection direction: Straight
For More Information and Price: Nanaboshi NCS-503-R Circular Connector
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