RT424018

Turn On Voltage (Max):	12.6 VDC
Coil Resistance:	810 Ohms
Coil Power:	400 mW
Contact Material:	Silver Nickel (AgNi)
Operating Temperature:	-40°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Insulation - Class F, Sealed - Flux Protection
Release Time:	6ms
Operate Time:	8ms
Turn Off Voltage (Min):	1.8 VDC
Series:	RT2, SCHRACK
Switching Voltage:	400VAC - Max
Contact Rating (Current):	8A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	18VDC
Coil Current:	22.2mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Power Relays, Over 2 Amps, RT424018 Application field and Working Principle

The RT424018 relay offers an efficient and reliable power automation solution for critical applications in the industrial, commercial, and residential markets. This high amperage relay is capable of switching currents up to 2.1 amps at a voltage of 24 volts DC or 115 volts AC. It can be used in numerous applications, including motor control, HVAC automation, inductive loads management, and emergency power shut-off.

Design and Features

The RT424018 has a compact 12-pin design that is smaller and lighter than previous models, while still providing reliable performance. It is equipped with dual LED indicators to monitor relay states, magnetic latching for automatic control, and an embedded bypass diode for voltage protection. The relay also features gold-plated contacts for enhanced contact performance. It is designed for quick installation and can be mounted vertically or horizontally in any position.

Technical Specifications

The RT424018 Power Relay has a rated current of 2.1 amps, a rated voltage of 24 volts DC or 115 volts AC, and a maximum switching power of 30 watts. The relay features a contact form of SPDT (Single Pole Double Throw)for a wide range of voltages, and a maximum electrical life of 100,000 operations. The contact material is made of silver or gold plated for snap action contacts, and a coil resistance of 10 to 120 ohms. The nominal operating temperature range is between -40 to 121°C (Celsius).

Uses and Applications

The RT424018 is suitable for a wide variety of industrial control and automation applications. It is ideal for HVAC systems, motor control, and inductive loads management. It is also suitable for emergency power shut-off applications due to its magnetic latching mechanism that guarantees power shut-off even during a power failure. This makes the RT424018 suitable for applications where safety and reliability are paramount.

Working Principle

The RT424018 works based on the conventional electromagnetic relay. When power is applied to the coil of the relay, a magnetic field is created. This magnetic field creates a pull on stationary contacts, known as “arcing”. The current then flows through the arced contacts and permits the turning on or off of electrical circuits. The RT424018 can be used either to break an existing circuit or to complete a circuit by bringing two existing points together. This makes the RT424018 a versatile and reliable tool for power relay functions.

Conclusion

The RT424018 is a reliable and efficient high amperage power relay for automation and control applications. It features a compact design, dual LED indicators, and magnetic latching for automatic control. The relay is equipped with a gold-plated contacts for enhanced contact performance, and can handle currents up to 2.1 amps and voltages up to 24 volts DC or 115 volts AC. It is suitable for applications involving motor control, HVAC automation, inductive loads management, and emergency power shut-off. The RT424018 works based on electromagnetism, and it is an essential tool for reliable power relay functions.

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