What is a rocker switch KCD4?

A rocker switch KCD4 is an on-off switch that rocks back and forth.  When one side is pressed, the other raises with an action similar to a see-saw.

They are easy to use and extremely reliable making them one of the most common forms of switches used worldwide. Rocker switches KCD4 house a button for an operation that can be pressed on either end like a see-saw to connect or disconnect an electrical circuit. … The name “rocker switch” comes from the rocking motion that the switch makes when the button is pressed. It is also sometimes called a see-saw switch.


The function type of the Rocker Switch KCD4

Single pole single throw: 1 moving contact and 1 static contact. Only 1 channel

Single pole double throw: 1 moving contact and 2 static contacts, (the static contacts on both sides can be connected respectively)

Double pole single throw, 2 moving contacts, and 2 static contacts, with 2 channels

The detailed classification of the Rocker Switch KCD4:

A rocker switch KCD4 is a small high-capacity power switch suitable for home appliances and office equipment. Compared with other switches, it is more powerful.

But there are also different types of rocker switches KCD4.

1.Small capacity non-sealed type

2.The rated voltage and rated current of this type of ship switch are small, 5A @ 120VAC, 28VDC; 2A @ 250VAC. This type of product has three positions. In terms of material, the terminal is usually brass-coated with gold or silver. Long life, up to 50,000 times. Such as the ANR series

Electrical Ratings 5A @ 120VAC, 28VDC; 2A @ 250VAC

Electrical Life 50,000 cycles typical

Contact Resistance <20 mΩ max initial @ 2-4VDC, 100mA

Dielectric Strength 1500Vrms min

Insulation Resistance> 100MΩ min

Operating Temperature -40°C to 85°C

Storage Temperature -40°C to 85°C

1.Large capacity sealed type

2.For large-capacity rocker switches, they are more suitable for use in power supplies, and the safety of airtightness is more guaranteed, 15A @ 125VAC; 8A @ 250VAC, there are two gears, ON or OFF, and the terminal material is brass-clad tin. Such as the RA series

Electrical Ratings 15A @ 125VAC; 8A @ 250VAC

Electrical Life 10,000 cycles typical

Contact Resistance <50 mΩ initial

Dielectric Strength 1500Vrms min

Insulation Resistance> 100MΩ min

Operating Temperature -40°C to 85°C

Storage Temperature -40°C to 85°C

The above switch classification is based on the US CIT switch relay (RIVER SUN (HONG KONG) LTD)

The Best Selling Rocker Switch Is KCD4

The Technical Parameters of the Rocker Switch

  1. Rated working voltage and current Rating 3A/6A/15A 250V
  2. Operating temperature range Temperature -25+85 ℃
  3. Contact Resistance <0.03Ω
  4. Actuating Force 1.3+0.5N
  5. Insulation Resistance >100MΩ
  6. Life (switching Life) 10000 times

The rocker switch is a very common kind of red light when it is switched on. Sometimes it can’t be turned off, just can’t bounce back, and it often jumps to the failure of the air switch

How many sizes of rocker switches are there?

There are four commonly used sizes:





Also, it has other rectangular





Which is the bestselling one of the rocker switch?

At now, its kcd4 for FILN company

Why does the kcd4 series rocker switch be bestselling?

Because the appearance is not only exquisite, it looks very delicate, can reach big amperes, and it is very easy to install, but also can be waterproof, and the waterproof rating is IP67. If you are a distributor, this is a very big advantage for the rocker switch. It will be introduced in detail below.

The surface material of the rocker switch KCD4 series:

For the materials of the surface of the rocker switch, FILN company can made up of transparent plastic surface, aluminum surface, silver painting surface, black painting surface, stainless steel surface about kcd4 waterproof.


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