MDR-134-2

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Part Status:	Active

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Power Relays, Over 2 Amps: MDR-134-2 application field and working principle

The MDR-134-2 series of power relays, rated for applications over two amps, are high-power quality magnetic latching relays with an extended operating temperature range. This series of relays is suitable for use in a variety of applications, from domestic equipment and lighting to commercial and industrial installations. Furthermore, this series of relays have been designed to meet the requirements of Underwriters Laboratories, which are needed for commercial and industrial applications.

MDR-134-2 Design Features

The MDR-134-2 series of power relays feature a low profile design with a single 1/4" grid format, allowing for a tight fit that can help reduce control cabinet size and improve layouts. Furthermore, these relays are designed with an extended operating temperature of -20°C to + 70°C, allowing them to be used in a range of harsher industrial applications. This series of relays is also designed to meet safety standards such as UL 508, UL 1604 and UL 60950-1.

MDR-134-2 Technical Specifications

The technical specifications for the MDR-134-2 series of power relays are as follows:• Rated voltage: 12-240 V (C/O)• Rated frequency: 50/60 Hz• Contact configuration: 1 CO contact• Coil type: DC or AC• Operating voltage: 24V DC• Rated current: 4 A• Contact resistance: 100 mOhms• Endurance life: 10 million operations at 25A• Ambient temperature range: -20°C to +70°C• Vibration resistance: 2.5 Hz-150 Hz• Insulation resistance: 10M Ohms• Certification: UL 508, UL1604, UL 60950-1

MDR-134-2 Working Principle

The MDR-134-2 series of power relays operates using an electromagnetic latching principle. This means that the current applied to the coil will cause the contacts to remain closed as long as the current is flowing, regardless of the direction of the current. When the current is removed, the contacts will stay in the same position until the current is reapplied in the opposite direction. This makes the MDR-134-2 series of power relays ideal for applications where a continuous or intermittent electrical connection is required, such as water level control, door locking systems, and general purpose switching.

Conclusion

The MDR-134-2 series of power relays are an ideal choice for applications in demanding environments such as industrial applications and are perfect for a variety of applications ranging from commercial to domestic use. With its low profile, extended temperature range, and electromagnetic latching principle, the MDR-134-2 is well suited for the most challenging environments and applications.

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