CKRA2430R

Series:	CKR24
Packaging:	Bulk
Part Status:	Obsolete
Mounting Type:	DIN Rail
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	90 ~ 280VAC
Voltage - Load:	24V ~ 280V
Load Current:	30A
Termination Style:	Screw Terminal
Package / Case:	SSR with Integrated Heat Sink
Supplier Device Package:	--

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Solid State Relays

Solid state relays (SSRs) are semiconductor devices capable of providing electrical isolation between two circuits while controlling current flow from one to the other. They are capable of switching AC and DC loads, as well as providing isolation between high and low voltage circuits. The most common type of SSR is a DC-to-AC device, however, there are many other types as well. This article will focus on the CKRA2430R SSR and its application field and working principle.The CKRA2430R is an isolated AC/DC switch SSR manufactured by Cosel, with a built-in zero-cross switch. It can be used to switch both AC and DC loads from 5 to 24V and 100/240V. It is a compact and lightweight design, as it only measures 20mm x 14.4mm and weighs only 4.4g. The relay can handle up to 10A of current continuously and can switch currents up to 30A.The CKRA2430R operates by using a series of transistors or field-effect transistors connected in series to form a semiconductor circuit. This circuit is energized by a voltage applied to the input terminals. When the input voltage is low, the transistors are all off and current does not flow. When the input voltage is higher, the transistors conduct and the current flows. The output of the SSR is thus controlled by the input voltage.The working principle of the CKRA2430R can be illustrated by an example. Let us assume the input voltage is 10V AC. When this voltage is applied to the input terminals, the transistors in the SSR turn on, allowing current to flow from the input to the output. When the input voltage rises above 24V, however, the transistors turn off and the output is no longer energized. This same principle applies for both AC and DC loads.The CKRA2430R is particularly useful in applications where a low-cost, low-power solution is required. For example, it can be used to switch DC motors in low-power but efficient electric vehicles, or to control the emission and flow of air in home air conditioning systems. It can also be used to control the temperature of ovens and other heating equipment, as well as to control the speed and direction of robotic arms.In summary, the CKRA2430R is an isolated AC/DC switch SSR manufactured by Cosel. It has the capability to switch both AC and DC loads from 5 to 24V and 100/240V, and can control currents up to 10A continuously and 30A intermittently. It is particularly suitable for applications where a low-cost, low-power solution is needed, such as electric vehicles, air conditioning systems, and other heating equipment. The working principle of the CKRA2430R can be illustrated by the example of an input voltage of 10V AC. When this voltage is applied to the input terminals, the transistors in the SSR turn on, allowing current to flow from the input to the output. When the input voltage is higher than 24V, the transistors turn off and the output is no longer energized.

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