MCTC2425KHC

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Solid State Relays (SSRs) are electronic switching devices that allow for remote control of the electrical circuit. They differ from mechanical relays in that, instead of a physical contact, an electrical signal is used to control the switching process. SSRs require a minimal power input to be activated by high voltages and typically have higher voltage and current capacity ratings than mechanical relays. SSRs are capable of handling a variety of load ratings, such as AC or DC voltage, from 5V to 1100V and currents up to 16A. They offer high reliability, small size and ease of integration with control systems. SSRs are typically used in industrial automation applications, such as in motor control and process control.The MCTC2425KHC is a Solid State Relay that is used in industrial automation applications. It is a 25A, 4.0-32VDC/2-24VDC, 5V Control Voltage SSR, designed for automation applications. The MCTC2425KHC includes a heat sink, a base, a voltage detector, a leakage current detector, a light indicator, and an internal overvoltage protector. It is CE, UL, and RoHS certified and is suitable for applications requiring high switching capacity and overload protection.

The MCTC2425KHC is designed to be used in a wide range of control systems and applications, including HVAC&R systems, electrical heating systems, industrial motor control, and telecom equipment. It is suitable for use in on/off control, pulse width modulation (PWM) control, 0-10V control, and PID control applications. It is also suitable for use in high inrush current applications.

MCTC2425KHC’s working principle is based on a thyristor, which is a four-layer semiconductor device. When an input voltage is applied, the thyristor is triggered and the high voltage is applied across the load. The circuit is then closed, allowing current to flow through the load. The input signal is then cut off, and the MCTC2425KHC switches off, leaving the load disconnected. The thyristor continues to prevent current flow until it is reset by the input voltage being re-applied. The MCTC2425KHC has an internal overvoltage protector (OVP) to prevent over-voltage conditions. In case of an over-voltage condition, the OVP prevents direct conduction across the relay contacts, resulting in the relay being automatically switched off.

The MCTC2425KHC features a current dependent threshold voltage, enabling it to detect even low current levels when the voltage is applied to the load. The input voltage, the current threshold, and the OVP all operate concurrently to provide an integrated protection system, ensuring the electrical safety of personnel and equipment.

MCTC2425KHC’s specialized design and high switching capacity make it suitable for a wide range of industrial applications. Its easy integration with control systems and its high level of protection make it a reliable and cost effective choice for use in motor control and process control. The MCTC2425KHC is an ideal choice for any automation system requiring a quality and reliable SSR with high switching capacity.

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