ER3R-400J3PB

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Disconnect switch components include components such as ER3R-400J3PB, handle, and hinges. ER3R-400J3PB is a type of direct-acting disconnect switch series, specially developed to provide high performance in many different kinds of application fields. This article will discuss the application fields and working principle of ER3R-400J3PB in greater detail.

Application Fields

ER3R-400J3PB is a load-break type disconnect switch, with a 3-pole connection. It is mainly applied in industrial switchgear systems, such as in el-ctrical distribution, generation, transmission, and so on. It can also be used in combination with MCB\'s, fuses, switches, and other types of electrical devices. It is suitable for a wide range of applications including circuit breaker and distribution switchgear, industrial machinery, building lighting, and control systems.

Its features make it suitable for using in high voltage lines, with an operating voltage range of 400 to 690 Volts. It is approved for use in areas with fire hazards, such as building systems, industrial areas, and more. The disconnect switch can be used in ambient temperatures of 0°C to 40°C, and is capable of withstanding load currents of up to 250A.

ER3R-400J3PB is loaded with features that help makes it highly reliable, including insulated handle, dual padlocking facility, and visual indicator for open/closed positions. It also has a silver-coated copper contact, single-phase connection with two fixing washers, and flexible hinged base. All of these features make the ER3R-400J3PB an ideal choice for customers in various industries and applications.

Working Principle

ER3R-400J3PB is an electronic device that is designed to switch off an electrical circuit. It works in two basic ways, namely direct-acting and remote-acting. In direct-acting mode, it uses an insulated handle and a pivoting mechanism to operate the electrical contact safely. This mode of operation is generally used for controlling small and medium-duty processes.

In remote-acting mode, the ER3R-400J3PB uses an external switch, either manual or automatic, to operate the circuits. This type of operation offers more flexibility with the switch being used to control larger, complex systems or even whole motorised control systems. In this mode, the contact is opened and closed in the same way as in direct-acting mode, but the external switch is used to initiate the action.

The ER3R-400J3PB is also designed with specific safety features that help protect against electric shock and overheating. It features an insulated handle to ensure safe operation and a visual indicator that shows the open/closed state of the switch. Additionally, it features dualpadlocking facility to avoid accidental contact failure, as well as flexible hinged base to help ensure installation is secure.

In conclusion, ER3R-400J3PB is a reliable and highly effective disconnect switch component designed for various applications. From high voltage lines to building lighting and control systems, it is suitable for a wide range of uses. Its features, such as insulated handle, dual padlocking facility, and visual indicator, make it an ideal choice for customers in various industries. With its working principle of direct-acting or remote-acting, it is one of the most reliable disconnect switch components available.

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