MM4XP DC48

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Power relays are electrical switches that are designed to open and close circuits or other load contacts with a low impedance control circuit. Most of these devices are used to control currents in excess of 2 amps, such as the MM4XP DC48. The MM4XP DC48 is a 24 VDC power relay with 4 poles and a mechanically latching action that is designed and tested to meet IEC 60947-1. This device is typically used in motor starters, heating control, lighting control, industrial applications, and other industrial equipment.

The basic principle of the power relay is to use a coil that is energized to attract a plunger or armature and force a set of contacts to close. This action does not require physical contact between the moving parts, which makes it an ideal switch since it is reliable and can withstand operation for long periods of time in harsh environments. In the case of the MM4XP DC48, the contact ratings are 8A at 250VAC, 6A at 24VDC, and 10A at 600VAC.

The MM4XP DC48 is similar to other power relays in terms of its construction and operation, but it features an extra volt-free contact that increases the number of applications for which the device can be used. This contact is a fourth pole in the form of a set of normally-open contacts that can be used to directly control a load or can be used for interlocking other contacts. This makes the MM4XP DC48 suitable for applications where a small signal needs to be sent in addition to the main contact closure.

The MM4XP DC48 also includes a variety of safety features. It is designed in compliance with EN60947-1 and UL 60947-1 for use in hazardous environments and is rated for IP67 and IP69K in order to provide protection from dust, oil, and water. It also has integrated over-voltage and over-heating protection that will disengage the contacts if the voltage or temperature of the device exceeds its maximum limit.

With its variety of safety features, robust design, and 4-pole operation, the MM4XP DC48 is a versatile device that can be used in a range of applications. Its electrical contact ratings make it suitable for applications that require higher current ratings, such as motor starters, lighting and heating controls, and various industrial equipment. The extra volt-free contact also increases its usability for applications that require interlocking or a small signal.

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