RSF77H100GN

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Float switches are level sensors, used for automatic level monitoring and fluid control in a variety of applications. The RSF77H100GN is a classic example of these devices, being a magnetically actuated, single-pole, single-throw (SPST) terminal crossing, reed floating switch for liquid level control. As premium switches, they offer advanced features and are suitable for controlling water tanks, pumping systems, sump-pumps, and other applications.

The RSF77H100GN is a contact closure switch that relies on the principle of buoyancy. It works by taking advantage of the natural buoyancy of the magnetic field of the reed switch, allowing the reed switch to move freely with changes in the liquid level. This movement triggers a contact change that, when connected to an appropriate electrical circuit, can be used to control the liquid level or switch on/off an electrical device.

The RSF77H100GN has several characteristics that make it applicable for a variety of applications, such as:

• Temperature range: It is designed to operate in temperatures ranging from –20 °C to 80 °C
• Insulation: High insulation strength of 1.2kV, suitable for most systems
• Voltage: The switch can operate safely on voltages up to 400V
• Resistance: High electrical resistance of 200M for reliable operation

The RSF77H100GN is versatile and robust due to its stainless steel body and its level switches’ strong magnetic fields that make it resistant to water pressure up to 6 bar. Additionally, the reed switch on this device is interchangeable, meaning it can be replaced if damaged, extending its service life.

The operating principle of a RSF77H100GN is simple and straightforward. When the liquid in the tank reaches the upper level, the magnet in the switch is attracted to the metal on the float causing the contacts in the reed switch to activate, completing the circuit. When the liquid in the tank drops to the lower level, the magnet is forced away from the float by the buoyancy, causing the contacts in the reed switch to open the circuit.

The RSF77H100GN is also highly suitable for challenging industrial applications such as photocopiers, vending machines, water boilers, and air conditioning systems. Moreover, it is a safe choice for marine applications such as bilge alarm systems, as well as for agricultural applications such as solar water pump controllers. In all these scenarios, the switch’s excellent performance makes it a reliable device for accurate liquid level monitoring.

In conclusion, the RSF77H100GN make a great float switch. It is easy to install, highly reliable and provides a wide range of features and benefits. It is suitable for a variety of applications and offers excellent performance even in the most demanding environments.

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