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Allen Bradley 700DC Relays 700DC-MB400

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700DC-MB400

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The 700DC-MB400 from Allen Bradley functions as an industrial control relay. It features 4 normally open contacts and can handle a maximum current of 10 Amperes. This relay is designed for 1-phase or 3-phase applications and supports up to 300 Volts AC.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 700DC-MB400

ManufacturerAllen Bradley
Product TypeIndustrial Control Relay
Product Line700DC Relays
Part Number700DC-MB400
Weight0.44 lbs (0.20 kg)
Maximum Current Rating10 Amperes
Contact Configuration4 Normally Open (NO) contacts
Rated Phase1-phase or 3-phase
Rated Impulse Withstand Voltage6 kilovolts
Contact TypeBifurcated contacts
Maximum Voltage Rating300 Volts AC
Applicable Wire Size18 to 14 American Wire Gauge (copper wire only)
Terminal TypeScrew terminals
Tightening Torque8.9 to 10.6 inch-pounds
Frequency Rating50 to 60 Hertz
Mounting StyleScrew mount or DIN rail mount
Operational Elevation6,561.68 feet (2,000 meters) above sea level
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The 700DC-MB400, an industrial control relay manufactured by Allen Bradley, is engineered for operational robustness. This model can accommodate a maximum rated current of 10 Amperes and features four normally open (NO) contacts, enabling versatile control options for various applications. It supports both 1-phase and 3-phase systems. The relay is rated for a maximum voltage of 300 Volts AC and is designed to withstand impulse voltages of up to 6 kilovolts, ensuring reliable performance in demanding environments.

The bifurcated contacts allow for efficient operation while maintaining safety and dependability in switching tasks. Users must connect compatible wire sizes, specifically between 18 to 14 American Wire Gauge, adhering strictly to copper wire only. The relay employs screw terminals, facilitating a secure connection.

For operational stability, the recommended tightening torque for the terminals lies between 8.9 and 10.6 inch-pounds. This relay operates within a frequency range of 50 to 60 Hertz, suitable for most industrial power applications. Additionally, it provides flexible installation options with its screw mount or DIN rail mounting styles. The 700DC-MB400 can function at elevations reaching 6,561.68 feet (2,000 meters) above sea level, making it adaptable for high-altitude installations.