ER4P-30J3PR

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Disconnect Switch Components are electrical devices which allow and control the flow of electricity. The ER4P-30J3PR is one such component. This article will provide a brief overview of the application field and working principle of this device.

The ER4P-30J3PR is a two-pole, 30A, 600V, AC disconnect switch. It is an automatic pin and sleeve type device, designed for use in a variety of industrial and commercial applications. It is UL Listed and is suitable for isolated ground systems. It is also capable of breaker tripping with over-current protection.

The ER4P-30J3PR is suitable for use in the following application fields:

• Air conditioning and heating systems
• Motor control centers
• Generators
• Transfer switches
• Power supplies
• Industrial machinery

The working principle of the ER4P-30J3PR is fairly simple. Its two poles are connected to opposite contacts on the power supply, allowing current to flow in one direction only. When the switch is closed, the power flow is enabled and the device operates as a connector. When the switch is opened, the power flow is disabled and the device operates as an isolator.

The ER4P-30J3PR also features an automatic tripping feature. This is enabled when the current flowing through the device exceeds the rated value for a certain period of time. This triggers the breaker to trip and open the switch, thereby disconnecting the power supply.

In addition to its primary function as a disconnect switch, the ER4P-30J3PR provides additional features. It can be used to monitor amperage draw, provide surge protection, and act as a pilot relay for higher voltage devices. Its mounting arrangement and ease of wiring make it an ideal solution for branch circuit protection.

The ER4P-30J3PR is a versatile device that meets a variety of application needs. Its reliable construction, simple operation, and multiple features make it an ideal choice for industrial and commercial applications.

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