CSW2490-10

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Solid state relays (SSRs) are designed to control and regulate electricity and other circuits, and they are commonly used to switch on/off AC or DC loads. The CSW2490-10 series from Crydom is a series of 1-Form-A solid state relays, designed specifically for the automation, process control, instrumentation, medical and military markets. This series of relays has been widely used in the past two decades and has earned a reputation for dependability and high performance.

The core component of the CSW2490-10 is an optically isolated triac. There are two elements in the triac: the main thyristor and a control element. When a voltage is applied to the control element, it triggers the main thyristor to turn on. As the load increases, the thyristor conducts more current until the main thyristor\'s current and voltage drop to zero. It then turns off. The advantage of the triac in the CSW2490-10 over other SSRs is that it is optically isolated, so no noise is generated, and the relay can provide a high load current.

The CSW2490-10 is designed to operate in a variety of applications such as HVAC, motor control, industrial process control, lighting control, and medical equipment. It operates in a temperature range from -40°C to +85°C and it has an insulation voltage of 4 kV. The relay has a power dissipation of 1.2W, with a maximum switching current of 10 A and a maximum switching power of 2400 Watts.

The relay is rated for a maximum switching voltage of 250 VAC, an environmental category ac-12, and it has an integrated snubber network for protection against voltage transients, which makes it ideally suited for switching inductive and resistive loads.

In operation, the relay typically works with an AC input voltage of up to 250 VAC, typically with an external control voltage of 2 to 32 VDC. When the external control voltage is applied to the relay, the triac is triggered. Once the triac is triggered, the output is switched on, thereby providing the necessary power to the load. The relay can also be operated with a nominal 4 kV AC/DC voltage for the control input.

The CSW2490-10 series provides a reliable, low power, and energy efficient solution for switching and regulating AC and DC loads. The relay has a wide load range and can operate in multiple application scenarios. Furthermore, the relay is UL recognized, CE compliant, and RoHS compliant, giving designers and users added assurance of safety and reliability.

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