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Allen Bradley IEC 104 Contactors 104-A18ND31

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104-A18ND31

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The 104-A18ND31 is a reversing contactor from Allen Bradley, designed for 3-phase applications. It supports a rated voltage of 600 V AC and has a maximum rated power of 5 horsepower, making it suitable for various industrial uses.

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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 104-A18ND31

ManufacturerAllen Bradley
Product TypeReversing Contactor
Product LineIEC 104 Contactors
Part Number104-A18ND31
Weight2.19 lbs (0.99 kg)
Number of Poles3 Poles
Number of Phase3-phase
Rated Voltage600 V AC
Voltage TypeAC
Rated Power5 Hp
Rated Current18.0 A
Coil Voltage110–120 VAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Auxiliary Contacts1 Normally-Open (N/O) Auxiliary Contact
Contactor StyleIEC-style Contactor
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The Allen Bradley 104-A18ND31 serves as a reversing contactor tailored for three-phase applications. This unit boasts a robust rated voltage of 600 V AC and can handle a voltage type of alternating current. It achieves a rated power output of 5 horsepower, appropriate for a diverse array of industrial configurations.

Designed with three poles, the contactor handles a substantial rated current of 18.0 A, providing significant power management capabilities. Featuring a coil voltage range of 110–120 VAC, this reversing contactor is flexible in its application, accommodating a minimum operating frequency of 50 Hz and a maximum of 60 Hz.

Additionally, the unit includes an auxiliary contact that is normally open, which allows for increased control and versatility in circuit operations. As part of the IEC-style contactor series, this model adheres to international design and operation standards, ensuring long-lasting reliability across various applications.