51A30-01-2-02N

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Rotary Switches

A rotary switch is a switch operated by rotating a control element such as a knob or handle. The switch contacts are usually mechanically part of the control element, but can also be moved by electrical means, in which case the switch is known as a "reed switch". A rotary switch is a type of switch used to control multiple circuits. It allows the user to select a circuit, turn the switch off and on, and select a different circuit by rotating the control element.

51A30-01-2-02N Application Field and Working Principle

The 51A30-01-2-02N is a 3-pole, double-throw rotary switch with a maximum current rating of 30 amps. It is typically used as a switch in industrial control applications, such as controlling the speed of a motor or the flow of a process.

The 51A30-01-2-02N switch has three terminals, two on-off switches and a center off switch. Each pole has a contact position preset at the factory (for example, a closed contact position). A brass sleeve (a circular piece at the end of the switch mechanism) is pressed against the contact points, which mechanically link the switches together, providing continuity of current.

The 51A30-01-2-02N rotary switch has a spring-loaded detent mechanism that ensures that the switch is in the same position each time it is actuated. The mechanical detent mechanism is designed to provide an audible and visual indication that the switch has been actuated.

The 51A30-01-2-02N rotary switch is designed for long-term, reliable operation in industrial applications. It is constructed from a zinc-aluminum alloy (ZAMAK) and has a nickel-plated faceplate, making it resistant to corrosion and oxidation. The components are enclosed and sealed within the faceplate, protecting them from dust, dirt, and other contaminants.

The 51A30-01-2-02N rotary switch is suitable for applications including industrial control, machine control, and other similar systems. It is commonly used to switch devices on and off, such as pumps, conveyors, and motors. It can also be used as a select switch, which enables the user to select a circuit and turn the switch off and on.

The 51A30-01-2-02N has a wide range of applications in industrial and machine control, as well as in consumer electronics and switch controls. It is designed for reliable operation even under harsh environmental conditions, providing superior performance, reliability, and durability. The switch is constructed from ZAMAK, a high-quality, corrosion-resistant zinc-aluminum alloy, and is nickel-plated for superior protection against corrosion. The components are enclosed and sealed within the sealed faceplate, making the switch dust-proof and waterproof.

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