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Pushbutton Switches

LB26RKW01-5D-JB application field and working principle

A pushbutton switch is an electromechanical device used to control the operation of various consumer and industrial electrical appliances. Commonly available in single and double pole varieties, these switches can be either momentary or maintained, are typically rated at a nominal voltage of 230V AC and withstand surges up to 10,000V.

One of the most common varieties of pushbutton switch is the LB26RKW01-5D-JB, which is widely used in home and industrial applications. It has a single pole rated for up to 10A, with a maximum contact resistance of 30mΩ. The switch is designed to accept a standard-sized plunger actuator, with a depth of 8mm, and is rated for up to 1 million pushbutton operations.

Working Principle

The LB26RKW01-5D-JB is a spring-loaded, non-latching switch. It consists of one spring-loaded switch contact beneath a plunger actuator, which is designed to operate when pushed downwards.

When the switch is activated, the contact beneath the plunger actuator is forcibly destroyed, breaking the electrical flow through the switch, that is, free-wheeling or bridging the circuit. This is known as a “momentary” contact action and is used in home appliances such as washing machines, vacuum cleaners, and other electromechanical systems, to temporarily interrupt the power flow to the device.

Safety

The LB26RKW01-5D-JB is rated to meet all applicable safety standards, such as IEC 60950-1, UL 1054 and CSA C22.2. It is designed to ensure a secure, arc-free operation and is recommended for a wide range of home, industrial and commercial applications.

In addition, the switch is designed to hold up to a continuous 10A current, making it suitable for larger industrial applications, such as motor starters and control circuitry. It also has a “zero-force” design, meaning that the plunger actuator is designed to remain in place even when no pressure is applied to it, ensuring the switch remains in its intended position.

Conclusion

The LB26RKW01-5D-JB pushbutton switch is a reliable and versatile switch, suitable for a wide range of home, industrial and commercial applications. Designed to meet all applicable safety standards, this switch provides a secure, arc-free operation and is designed to withstand up to 1 million operations. Its “zero-force” design ensures the switch remains in place even when no pressure is applied, making it ideal for applications such as motor starters and control circuits.

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