H3CR-H8RL AC100-120 S Industrial Controls

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Time Delay Relays are an important component in many electrical systems, used to control time automatically and thereby reduce energy consumption by some of the connected circuits. H3CR-H8RL AC100-120 S, is a particular type of time delay relay, primarily used for industrial applications. Understanding the principles and functions of this device is important for its successful implementation.

The relay is housed in a conventional closed case, with rear mounting holes for easy installation. The parameters of the time delay can be changed by setting the dial as per the application needs. Its input control voltage ranges from AC 100 to 120, and the output voltage up to AC 250 volts. It is compact and lightweight with an operating temperature ranging from -10 to +50 degree centigrade.

This relay is a multi-functional device that performs all kinds of operations in the industrial setting. Examples of these are process control, loading and unloading operations, industry automation, and off-grid power applications. It also provides time-related control signals to the connected circuits such as on/off, reset, and start/stop. In addition, it can also work as a timer and can be used to control machine parameters such as running time, start time, stop time, and recycle time.

The main purpose of time delay relays is to ensure smooth and safe operation of the connected circuits. When power is supplied to the relay, the contacts inside close and the connected circuit is activated. When the power to the relay is cut off, the contacts open and the connected circuit is deactivated. The time delay of the relay can be adjusted by rotating the knob and the time delay range is approximately 0.2 second to 10 minutes.

In terms of working principle, H3CR-H8RL AC100-120 S is based on a time-based opto-coupler, "TC 8441." This opto-coupler is integrated with a time-delay circuit, which measures the time between the on/stop signals and controls the connected circuit accordingly. The timer adjusts the time delay of the circuit depending on the given input. Additionally, the device protects itself from transients, short circuits, and over-current or high-voltage conditions.

The working of the H3CR-H8RL AC100-120 S is relatively straight forward. It begins when power is supplied to the device. The time-based opto-coupler activates the time-delay circuit and controls the timing of the connected circuit accordingly. When the time delay is exceeded, the opto-coupler will cut off the power to the connected circuits and the time delay can then be reset. The device is also designed to automatically shut down the connected circuit should the input power exceed its safe limits.

In summary, the H3CR-H8RL AC100-120 S is a multifunctional time delay relay suitable for different automated systems in industrial settings. It is housed in a closed case, is lightweight and compact, and has an operating temperature of -10 to +50 degree centigrade. It works on an opto-coupler and time-delay circuit and can control timing related parameters in the connected circuits. It is important to note that while the timer is adjustable, care must be taken not to exceed its safe limits so as to not damage the connected circuits.

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