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Allen Bradley Miscellaneous Allen Bradley 840C7

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840C7

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The 840C7 is a motor rated industrial switch designed by Allen Bradley that excels in demanding applications. It features robust stainless steel construction and complies with NEMA A600 and N300 ratings.

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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 840C7

ManufacturerAllen Bradley
Product TypeMotor Rated Industrial Switch
Product LineMiscellaneous Allen Bradley
Part Number840C7
Weight32.00 lbs (14.51 kg)
Enclosure TypeEnclosure Type 7 and 9
Contact RatingNEMA A600 and N300 contact ratings
Minimum Level SensitivityStyle C, sensitive to liquid level
Duty TypeHeavy Duty Float
Material TypeStainless Steel
Installation Altitude1000 MSL
Min. Operating Temperature0 °C
Max. Operating Temperature40 °C
Storage Temperature Range0 to 40 °C
Operating Humidity80% max. (non-condensing)
Storage Humidity80% max. (non-condensing)
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The Allen Bradley 840C7 industrial switch is engineered for motor-rated applications, making it a critical component in various industrial systems. This switch operates effectively in harsh conditions and is particularly notable for its stainless steel construction, ensuring durability and resistance to corrosion.

Designed with an Enclosure Type 7 and 9, it meets stringent standards for protection against moisture and dust, making it appropriate for many deployment contexts. The switch's contact ratings conform to NEMA A600 and N300, establishing reliability within the specified operational parameters.

Sensitivity to liquid levels is an essential feature of the 840C7, characterized by its Style C heavy-duty float design. This aspect ensures that it can react appropriately to changing liquid levels, making it essential in applications requiring precise level monitoring. The device performs optimally between 0 and 40 degrees Celsius, with the ability to be installed up to 1000 meters above sea level.

For humidity, the switch is designed to handle up to 80% relative humidity, provided it remains non-condensing, both during operation and storage. In storage, it maintains the same temperature and humidity specifications, ensuring consistent performance and reliability throughout its lifecycle.