ER3R-400N3PB

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Disconnect switch components are any part that can be used to disconnect a circuit. One of these components, the ER3R-400N3PB, is used to provide reliable switching of loads in circuit operations. The component works by interrupting the current path within the protected circuit in order to prevent dangerous and potentially hazardous electrical events.

The ER3R-400N3PB is a double pole, general purpose disconnect switch. It is UL 489, CSA C22.2, and IEC 60947-3 compliant, designed for indoor, non-hazardous installations in residential, commercial and industrial applications. The device, which is made of a 1-inch square steel enclosure, comes with 4-inch flexible conduit connection, and it can accept up to two stranded copper wires. When open or shut, the component is designed to ensure zero voltage drop-off or voltage rise.

The ER3R-400N3PB is mainly used in industrial and commercial settings to replace manual switching. Applications include motor disconnects, circuit breakers, chiller systems, HVAC, water treatment, automatic switching, subpanels, etc. The device\'s primary advantage over manual switches is that they can be used remotely, requiring no lineman to be present to open or close the switch, and can provide greater safety than manual switching.

The ER3R-400N3PB works by utilizing a set of contacts that are opened and closed in order to start and stop power flow. It features a dielectric strength rating of 2 kVAC dielectric, 2.5 kVAC surge, an operating temperature range from -40°C to +70°C, and a thermoplastic base construction. The disconnect switch has a rated current of 400 Amps, a maximum operating voltage of 600V, and a dielectric strength of 3000VAC.

The ER3R-400N3PB is a reliable and safe means of disconnecting a circuit. With its UL 489, CSA C22.2, and IEC 60947-3 compliance, it is suitable for a variety of industrial and commercial applications. The component\'s high current rating and dielectric strength ensure that it can handle a range of circuit power levels, and its thermoplastic construction allows it to withstand a wide range of temperatures.

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