S-20-U

FLOAT SWITCH TANK, Csh

13 offers available: $17.82–$250.00
S-20-U CSH Mechanical Float Switch Normally Closed Fill Tank

The CSH S-20-U mechanical float switch is a reliable and efficient solution for automatically filling and maintaining the desired water level in various applications. This switch, manufactured by Crouse-Hinds, is designed for normally closed operation, ensuring that the electrical circuit is closed when the float is at its lowest position.

The CSH S-20-U switch comes with a white, injection-molded, glass-filled polyamide float that is resistant to corrosion and wear. The float is connected to an arm that operates the switch contact, which is located at the bottom of the switch housing. The switch has a vertical mounting orientation, making it suitable for installations where space is limited.

This float switch is designed for use with non-aggressive liquids and has a maximum voltage rating of 300V AC or 150V DC. It is recommended for applications with a water temperature range of -15 C to 55 C (5 F to 131 F) and can handle a maximum flow rate of 25 GPM (Gallons Per Minute).

The CSH S-20-U switch features a durable, die-cast aluminum housing that is resistant to corrosion and provides excellent thermal conductivity. The switch comes with a 3/4" NPT (National Pipe Thread) inlet and outlet connection, making it easy to install and connect to piping systems.

The switch also includes a built-in test button, which allows users to manually test the switch's functionality. The switch's contacts are rated for 10 amps at 125V AC or 15 amps at 24V DC, ensuring reliable operation even under heavy loads.

The CSH S-20-U mechanical float switch is an excellent choice for applications where automatic water level control is essential, such as irrigation systems, cooling towers, and industrial processes. Its durable construction, reliable operation, and easy installation make it a popular choice among professionals and DIY enthusiasts alike.

A CSH S-20-U mechanical float switch is a device used to turn on or off a pump based on the water level in a tank. This switch is normally closed, meaning it allows electricity to flow through when the float is at its lowest position, and it opens when the float rises due to the water level increasing. Let's discuss some pros and cons of buying this type of switch.

Pros:

1. Reliability: Mechanical float switches are known for their durability and reliability. They have no electrical components, so they are less prone to failure compared to their electronic counterparts.

2. Simple Design: The CSH S-20-U switch has a simple design, making it easy to install and maintain. It requires no calibration or adjustments, and it can handle rough environments.

3. Cost-effective: Mechanical float switches are generally less expensive than electronic switches. They have fewer components, and they do not require any external power sources.

4. Versatility: These switches are suitable for various applications, including water level control in cooling towers, HVAC systems, and industrial processes.

Cons:

1. Limited Applications: The CSH S-20-U switch may not be suitable for applications where precise level control is required. Its response time may be slower compared to electronic switches.

2. Manual Reset: If the switch trips, it may require manual resetting. This can be inconvenient in some applications where constant monitoring is not possible.

3. Limited Float Size: The switch has a limited float size, which may not be suitable for larger tanks.

4. Limited Temperature Range: The switch may not perform optimally in extreme temperatures.

Conclusion:

The CSH S-20-U mechanical float switch is a reliable, cost-effective, and simple solution for water level control applications where precise level control is not required. Its durability and ease of installation make it a popular choice for various industries. However, it may not be suitable for applications requiring precise level control or in extreme temperatures.

Recommendation:

If you're looking for a reliable and cost-effective solution for water level control in a simple application, the CSH S-20-U mechanical float switch is an excellent choice. However, if you require precise level control, consider an electronic float switch or a level transmitter. Additionally, consider the size of the tank and the operating temperature range when selecting the appropriate switch.

Details:

Float canister 2.5 in, DOA. 20 ft float cord. If a package is refused for any reason. Corrosion resistant abs float.

Can not control. Bolt marks, cut/shortened wires, shaft set screw shortened or any other evidence of installation unless sold as an used installed part. 115v piggyback plug. Warranty 1 year.

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rating: 98.9% out of 100 based on 86 user ratings.
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