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What is a safety capacitor ?

2023-09-15

What is a safety capacitor ?

 

A safety capacitor is a type of capacitor that is specifically designed to offer protection against the electric shock and current. It lowers these two parameters to ensure that their values meet the ones required by the users and devices.

It is called ’safety’ because its primary goal is to ensure that the users and their properties are always safe when using the capacitor. You probably know what will happen when you handle high voltage and current.

Apart from adding other safety features and devices, you should consider getting this capacitor to do the job.

You will find them in both small electronic devices and as well as large industrial devices.

The designers and manufacturers of these capacitors keep various safety hazards in mind when manufacturing these capacitors. These hazards include n shock, heat, water among others.

Also, since different devices have different electric requirements and specifications, it is vital to note that the safety capacitors come in different specifications. Some have a higher capacitance than others.

They are also made of different materials and tend come in different designs.

 

What are the functions of safety capacitors

Let’s look at the key functions of a safety capacitor in an electric circuit.

Filtering

In this context, filtering is  the process of  eliminating the unwanted electric noise from an electric circuit.

Usually, this noise comes from the numerous  currents that might have leaked from various cables and even other electronic components.

A safety capacitor is designed to  take care of this current. And by removing this noise, the device or component will operate smoothly.

This  function is common especially in  sensitive devices such as medical instruments.

Voltage stabilization

Voltage stabilization is of great importance in some applications. It is a phenomenon where an electric device is able to deliver constant supply voltage regardless of the incoming voltage.

A safety capacitor can help achieve this function of voltage stabilization, especially when you are using AC circuits.

The more stable the voltage the better the performance of an electric device.

Handling surges

These capacitors are designed to provide some surge protection functions. This is possible as they can absorb the transient current coming from an electric current. While doing this,  they will suppress surges of both current and voltage simultaneously.

Power factor correction

Power factor  correction is all about the efficiency of the electric conversion. It is the measure of how electric power is converted  into a more useful output. In most applications, a safety capacitor is integrated into a circuit so as to achieve the ideal power factor correction.

With the correction, you will be able to put the circuit into good use while at the same time minimize wastage of energy.

Protect users from the device

Safety capacitors are also designed to protect users of electric devices from dangers associated with the usage of an electric device.

The capacitor will protect you from the electric shock which is usually associated with the unexpected discharge of electric  current.

Decoupling

Decoupling is vital when you want to isolate two components of electric circuit. It usually comes in handy when you want to protect one component from getting damage or having performance degradation  by the other component supplying the circuit.

Using its various mechanisms, a safety capacitor will help you achieve decoupling in a device, hence protecting the respective components.

With these functions, it is clear why  it is important to integrate a safety capacitor into your device or even application.

 

UF Capacitors offer many types of safety capacitors:

 

X2 Metallized Polypropylene Film Capacitor

 

Voltage Rating 275VAC, 305VAC, 310VAC

SAFETY APPROVALS: UL; VDE; ENEC; KTL; CQC

 

 

X1Y1 SAFETY CAPACITORS

 

Rated VoltageClass X1, 400 VAC, Class Y1, 400 VAC

SAFETY APPROVALS: CQC; VDE; CUL; KTL; ENEC

 

 

 

 

X1Y2 SAFETY CAPACITORS

 

Rated VoltageClass X1, 400 VAC, Class Y2, 250 VAC

SAFETY APPROVALS: CQC; VDE; CUL; KTL; ENEC

 

 

CT81 high voltage disc ceramic capacitor


Voltage Rating: 500V-6000V