CKRD4810ER

Series:	CKR48
Packaging:	Bulk
Part Status:	Obsolete
Mounting Type:	DIN Rail
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	15 ~ 32VDC
Voltage - Load:	48V ~ 530V
Load Current:	10A
Termination Style:	Screw Terminal
Package / Case:	SSR with Integrated Heat Sink
Supplier Device Package:	--

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Introduction to Solid State Relays

Solid State Relays (SSRs) are electrical relays based on solid-state components, which are devices that can switch and control a variety of electrical loads, ranging from commonly used home appliances to industrial equipment. SSRs offer the advantage of providing fast, silent switching, as well as high performance and reliability in high-temperature applications. SSRs also offer many other features, such as protection against overloads and surge protection. Additionally, SSRs can be controlled by a variety of external signals, allowing them to be used for many different applications.

CKRD4810ER Application Field and Working Principle

The CKRD4810ER is a solid state relay designed and manufactured by TT Electronics for a wide variety of applications such as, for example, motor, pump, and compressor control, lighting systems and HVAC. The CKRD4810ER is a single-pole, single throw (SPST-NO) relay and is equipped with a normally open (NO) contact. The relay features zero-cross circuitry which allows the load to be switched when the current through it crosses through zero volts and prevents the switching of heavy loads at high frequencies.The CKRD4810ER is designed to be used with direct current (DC) and low-frequency alternating current (AC). It contains an opto-isolated triac driver and has a zero crossover feature. As it is an opto-isolator, the relay is able to switch the load with a high degree of isolation between the control and the power circuit, providing an additional safety factor. The CKRD4810ER is designed to work in a wide operating temperature range of -40°C to +85°C and in a variety of humid and dusty environments. It also features over-voltage and over-current protection, and is designed to maintain its rating up to a temperature of 105°C.

Conclusion

The CKRD4810ER Solid State Relay is a reliable and cost-effective solution for a variety of DC and low-frequency AC applications. It is designed with a wide operating temperature range, rigorous safety standards, and features such as overload protection and zero-cross switching. This makes it suitable for a variety of high-performance and high-temperature applications.

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