44MS30-03-4-03N

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The 44MS30-03-4-03N, or Multi-Purpose Snap-Acting Rotary Switch, is an electrical switch used to control multiple circuits in industrial applications. It is designed to start, stop, and reset various industrial processes, such as motors, pumps, conveyors, and cranes. The switch is UL-listed, making it suitable for use in hazardous locations. It also meets several national and international safety standards, such as UL508, UL674, and CSA C22.2.

The 44MS30-03-4-03N rotary switch features a cylinder housing with 30 positions and 4 switches. It has a screw-drive actuator with a key-operated drive that can be locked to prevent unauthorized access. The unit also includes a red indicator light to help users easily identify system status. The snap-acting contacts feature a latching type for improved electrical connection. Gold-clad contacts also ensure reliable operation. The unit is also rated for up to 20A of current, making it suitable for a wide range of applications.

The 44MS30-03-4-03N’s operating temperature range is -25 °C to +80 °C, and its insulation voltage is 1000 Vac or 1500 Vdc. It has a dielectric strength of ST 2000 Vdc, and can withstand mechanical shock, vibration, and salt spray environments. The switch has a mounting hole of 6 mm and a standard pin position of 19.4 mm. It is equipped with an easy-to-assemble interface, making it ideal for a wide variety of industrial applications.

The working principle of the 44MS30-03-4-03N rotary switch is simple. It functions as a linkage between a circuit and a control system, allowing the circuit to be opened or closed depending on user needs. The rotary switch is connected to the control system and to the circuit. When the switch is turned to the “on” position, a current runs through the circuit, allowing the user to gain access to the control system. At the same time, the switch prevents undesired access to the control system by blocking the circuit in the “off” position.

Rotary switches like the 44MS30-03-4-03N are used in a variety of industrial applications, including motor control, construction machinery, industrial automation systems, automotive systems, electrical control panels, and machine tools. The switch can also be used to control external automatic devices, such as valves and dampers. The snap-acting contact features of the switch make it particularly suitable for applications that require quick response times and precise control.

The 44MS30-03-4-03N is a reliable and effective rotary switch that offers reliable performance and precise control. The snap-acting contacts, gold-clad contacts, and UL-listing make it a safe and dependable device. It is also resistant to mechanical shock, vibration, and salt spray environments, and its low-maintenance design makes it easy to install and maintain. The 44MS30-03-4-03N is an essential part of a reliable industrial control system, and is an excellent choice for a wide variety of industrial applications.

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