51MB30-01-4-03N

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Rotary Switches

The 51MB30-01-4-03N is a type of rotary switch, also known as a selector switch, which is used to control the circuit by changing its position. This switch is specially designed for an environment with high EMI, such as the field of navigation, navigation display, military and aerospace applications. It is available in various switch configurations from single pole double throw (SPDT) to four pole double throw (4PDT).

Application Field

The 51MB30-01-4-03N is mainly used in control systems of radar, navigation, and auto-pilot systems. It is also suitable for harsh environment environments such as aerospace, military and underwater operations, where normal switches may be unable to operate due to its environment. The 51MB30-01-4-03N switch is known to have a high robustness and operability performance, which make it suitable for mission critical operations.

Working Principle

The 51MB30-01-4-03N switch has a unique configuration which allows it to work in a variety of switching modes. It has a rotating shaft which has a series of grooves cut into it and each groove has a set of contact points. When the shaft is rotated, the contact points make or break the electrical connection between the circuit components. The number of contact points determines the number of poles and throws. The 51MB30-01-4-03N switch can achieve up to 4 poles and 8 throws, making it suitable for use in a variety of control systems.

The 51MB30-01-4-03N switch is designed with a special ferrite material which makes it especially resistant to electrical interference. Additionally, the switch is sealed with an epoxy coating which helps to protect it from physical damage and water ingress. That makes it suitable for use in harsh environment conditions.

The 51MB30-01-4-03N is also designed with a very strong mechanical locking system which helps to ensure reliable switch operation. It has a unique detent mechanism which creates a positive feel and helps to ensure that the switch is not accidentally moved during operation.

Conclusion

The 51MB30-01-4-03N is an excellent choice for the aviation, military, and underwater operations. It is designed to withstand the high electrical interference and is ideal for mission critical applications. It has a unique mechanical locking system which ensures reliable switch operation and its special epoxy coating protects it from physical damage and water ingress. This makes it suitable for use in harsh environment.

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