61F-04B

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The 61F-04B is a model of advanced industrial electronic control and protection devices produced by OMRON Corporation. It is an all-purpose, cost-effective solution for many industrial environments and applications. This device is specially designed to control various operations, while providing the maximum protection from dangerous overloads and overcurrents that may occur during these operations.

The 61F-04B is a three-phase relay type overload protector. It is composed of three overcurrent relay modules. These modules are independent of each other and are connected in series. Each module is equipped with an independent setting range, and each module can detect and protect each individual phase of the three-phase circuit, which can effectively protect the equipment from overloads. Moreover, the modules are equipped with a Flame Retardant and Improved Thermal Resistance (FRITR) insulation structure, which makes it suitable for a wide range of applications.

The 61F-04B is used to protect electrical circuits from overloads and can be used in both single-phase and three-phase circuits. It can be used in many industries, such as power station, construction machinery, shipbuilding, and other industrial areas. The relay functions with a mechanically operated switching mechanism and an adjustable trip mechanism. The contact points are of gold-plated silver or gold-plated platinum, and are protected by a dust cover. It is also rated for high temperatures and short-circuit currents up to 20,000V.

The working principle of the 61F-04B is quite simple. When an overload occurs, the three separate relays in the module detect the current surge and open the circuit to prevent further damage. A timer in the module allows the current to be restored back to normal after a set period of time. The principle of operation is also the same for single-phase circuits.

The 61F-04B is a very reliable and cost-effective overload protector. It offers protection against a wide variety of electrical hazards, and its easy installation and simple operation make it suitable for many industrial applications. It is also highly resistant to dust, heat, and vibration, making it an ideal choice for use in harsh environments.

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