HRDB121 Industrial Controls

Series:	HRDB
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Function:	Off-Delay
Circuit:	SPDT (1 Form C)
Delay Time:	1 Sec ~ 100 Sec
Contact Rating @ Voltage:	30A @ 125/240VAC
Voltage - Supply:	12VDC
Mounting Type:	Chassis Mount
Termination Style:	Quick Connect - 0.250" (6.3mm)
Timing Adjustment Method:	Screwdriver Slot
Timing Initiate Method:	Input Voltage, Trigger Signal

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Time Delay Relays are an important part of industrial automation processes and are often found controlling systems with tight timing tolerances. The HRDB121 is a multi-functional time delay relay that is used for many industrial automation applications. It is a highly versatile relay that can be used for many different operations. This article describes the applications and working principles of the HRDB121.The HRDB121 has a variety of applications in industrial automation systems. It can be used for control circuit timing, position control, automatic order control and more. It is a popular choice for built-in safety protocols as it is designed to enable precise timing of operations with minimal risk of error. It can also be used as a fail-safe device to shut down a system in case of a failure.The HRDB121 relay works by converting an external signal into a timer signal. This signal is then compared to a predetermined set of parameters to determine whether the timing needs to be delayed. If the parameters are met, then the time delay is triggered and the output will be activated. The time delay value can be set using a timing potentiometer, allowing for precise control. The HRDB121 also includes an output indicator LED, which will turn green upon successful activation of the output.The HRDB121 relay offers a wide range of features for its users. It has a split rate operation mode which allows two rates to be set for the same timer. This means that the timer can be set to activate either before or after a certain time depending on the signal it receives. It also features Immediate On and Retrigger modes, which can be used to reset the timer or allow the timer to remain active even after the input signal is removed. The HRDB121 relay is designed for easy programming and reliability. It is built with strong construction materials and its internals are protected from dust, corrosion and vibration. The mounting is very easy and does not require special tools. It is also designed to retain its programming even after power interruptions, guaranteeing that its operations will always occur when required.In conclusion, the HRDB121 is a very flexible and reliable time delay relay that can be used for a variety of industrial automation applications. It is designed to guarantee precise timing of operations and provides an array of features for easy programming and reliable operation. It is a great choice for many industrial automation systems that require timing accuracy.

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