MCTC4850KRB

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Solid State Relays

Solid State Relays (SSRs) are a type of electronic switch, which are typically used to control electrical loads in the same way that electromechanical relays do. They provide isolation between the control circuit, typically low voltage and the output which is being controlled, usually line voltage. The use of an SSR provides numerous benefits including fast response time, high switching speed, no arcing or spark generation, and high reliability since there is no contact wear.

MCTC4850KRB application field and working principle

The MCTC4850KRB is a 25A, 400VAC rated Power Relay With 10/15A Solid State Output. This relay is designed to be a high-power, slim profile, and multi-function controller for switching resistance or current loads, such as contactor, solenoid valve, motor, heater, and lighting fixtures. This relay features an LED indicator, a selectable operating voltage of 24-440 VAC, and a variety of convenient control inputs, such as a voltage-free contact, a multi-turn potentiometer, and a logic signal.

The working principle of the MCTC4850KRB is that upon receiving a control signal, the relay switches the output on and off, converting electrical energy into mechanical energy and back, as required. This mechanical motion is responsible for switching the load on or off. The MCTC4850KRB is designed to be healthy and to perform reliably in harsh environmental conditions, as its moving parts are completely encapsulated with silicone rubber which offers protection from dust and water.

The MCTC4850KRB is commonly used in industrial and commercial applications, such as HVAC systems, automated processing systems, power control systems, and factory automation. It is also used in medical applications such as respirators and medical devices. This relay offers solid state control of higher current loads which require fast switch times and a reliable electrical connection.

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