H3CR-FN-300 AC/DC24

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Time Delay Relays (TDRs) are electromechanical devices designed to trigger after the passage of a predetermined amount of time. H3CR-FN-300 AC/DC24 is a type of TDR that provides flexibility when controlling delay time. It can be used to control or prevent an event from occurring, such as the start and stop of a motor, hauling system, or ventilation system.

H3CR-FN-300 AC/DC24 is a single-function relay with a single form A contact. It is housed in a 24VDC operated, 10-pin plug-in style case with a solid-state output. The relay is outfitted with a selectable, adjustable-on/fixed-off time delay ranging from 0.1 s to 30 s. It can also be used for ON-delay or OFF-delay functions. The time delay setting is adjustable and can be set by means of scale or by turning a knob. The trip time is indicated by a flag indicator which flips when the time has elapsed.

The working principle of H3CR-FN-300 AC/DC24 is simple. When it is powered on, a coil energizes and the armature will quickly move to the normally open contact of the relay. The time delay then starts, and when it reaches the set value, an internal contact is opened, interrupting the power supply and energizing the flag indicator. The armature then moves back to its original position. This mechanism is timed by a quartz oscillator that is accurate to less than one millisecond per hour.

H3CR-FN-300 AC/DC24 is ideal for many applications due to its precision timing and flexible installation. It can be used in industries such as telecommunications, chemical, petrochemical, and general manufacturing. It has a wide range of applications, such as controlling the start and stop of motors, controlling ventilation systems, controlling hauling systems, and controlling pumps and other machinery in a factory.

H3CR-FN-300 AC/DC24 is reliable and durable, providing precision timing without the need for frequent adjustments. It is also easy to install and maintain. All these features make it a popular choice for professionals and home users alike.

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