HRDB21A65M

Time Delay Relays refer to the type of relay that adds a preset delay or period to the energizing of the relay. The purpose of the delay is to allow operations or systems to become stable before the switch is energized. The HRDB21A65M is a Mechanical Time Delay Relays from China\'s HRD Automation, which has a wide application field and an extensive working principle.The HRDB21A65M has an wide voltage range, and the operation power range from 24 to 220VAC or from 48 to 440 VDC, at the frequency of 50/60 Hz. It is a single phase time delay relay which provides flexibility to the user for various time range setting. It also has Lug connection for the easy and more reliable wiring.The working principle of a HRDB21A65M Time Delay Relays is very simple yet powerful. There are two main components in the relay: a mechanical contact and a timer. The contact is an electrical contact that will connect or disconnect when energy is applied or withdrawn from the relay. The timer is an electronic component that adds a preset delay or time before energizing the relay contact.When energized, the timer begins to count down the preset time. Once the time has expired, the relay transfers the power from one circuit to the other circuit, thus connecting the two different circuits. This allows operations or systems to become stable before the switch is energized.The HRDB21A65M Time Delay Relays can be used in a variety of application fields such as lighting control, HVAC, industrial machinery, air conditioning, machine tooling, access control, and process control systems. In addition, it can also be used in security and entertainment systems, as well as in control systems for elevators, cranes, etc.The HRDB21A65M Time Delay Relays are designed to provide flexibility and reliability. It has user adjustable time delays that range from 0.1s to 10 hours, and with an accuracy of 0.2%. The relay can also be programmed to have multiple time ranges, making it suitable for a variety of applications. The relay also features short circuit and overload protection, and a wide operating temperature range.In conclusion, the HRDB21A65M Time Delay Relays are ideal for use in a variety of applications, and its wide voltage range makes it versatile enough to be used in different settings. Its simple and reliable operation make it a great choice for any application, and the user adjustable time range makes it a great choice for a variety of tasks.

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