HJ2-T-AC120V

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Introduction

The HJ2-T-AC120V is a powerful, low voltage, high current power relay designed to safely and reliably control loads with power levels of up to two amperes in a wide variety of applications. This versatile device features a variety of protection features, an adjustable on-delay timer, and a robust housing designed to withstand the toughest conditions. In this article, we will take a look at the application fields and working principles of the HJ2-T-AC120V.

Application Fields

The HJ2-T-AC120V is well suited for use in numerous applications, including motor control, heating and cooling systems, lighting, and machine automation. It can be used in a wide variety of environments, from residential to industrial, from light to heavy duty. With its robust housing, adjustable on-delay timer, and multi-level protection features, the HJ2-T-AC120V is suitable for applications in which long periods of uninterrupted operation are required.

The HJ2-T-AC120V can be used to control a wide range of loads, including motorized pumps, valves, fans, solenoids, lighting, and other home appliances. The device can be used to replace mechanical contactors, timers, push-buttons, and other electrical switches, making it an ideal solution for motor control in many applications. The device can also be used to switch on or switch off external loads in response to an external control signal, such as a temperature sensor or pressure switch.

Working Principle

The HJ2-T-AC120V is a DC-contactor relay with a 110–130V AC power input. When an AC signal is received at the power input terminal, it is converted to a DC voltage by the relay\'s internal circuitry. When the DC voltage reaches the relay\'s predetermined threshold, the contact opens or closes, thus turning the load on or off.

The relay is equipped with a long-term delay timer that is adjustable through a range of 0 to 25 seconds. The long-term delay helps in cases where the input voltage is not completely stable, or where the input needs time to stabilize before the load is turned on. This feature is especially useful in applications that require a longer-than-specified delay for proper operation.

A multi-level protection system is provided in the HJ2-T-AC120V, including transient/surge protection, overload protection, and short-circuit protection. These features protect the relay by preventing overload or short-circuit conditions, and also minimize the risk of damage during abnormal conditions. This protection system means that the relay will not be damaged in cases of power fluctuations or surges.

Conclusion

The HJ2-T-AC120V is a powerful, low voltage, high current power relay designed to safely and reliably control loads with power levels of up to two amperes in a wide variety of applications. With its robust housing, adjustable on-delay timer, and multi-level protection features, it is suitable for applications in which long periods of uninterrupted operation are required. The device can also be used to switch on or switch off external loads in response to an external control signal, such as a temperature sensor or pressure switch. This makes it an ideal solution for motor control in many applications.

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