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Allen Bradley ControlLogix 1756-L8SPK

Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-L8SPK

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The 1756-L8SPK is a safety partner controller from Allen Bradley's ControlLogix series. It operates efficiently within safety applications, configured to complement the primary controller and endure up to 80,000 power cycles, establishing reliability in demanding environments.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1756-L8SPK

ManufacturerAllen Bradley
Product TypeSafety Partner Controller
Product LineControlLogix
Part Number1756-L8SPK
Weight1.44 lbs (0.65 kg)
Safety MemoryConfigured to match primary controller
Power Cycles80000 cycles
Current Draw @ 5 V1.2 Amps
Current Draw @ 1.2 V5 mA
Power Dissipation6.2 W
Conformal CoatingYes
Slot Width1 slot
EnclosureOpen
Thermal Dissipation21.2 BTU/hr
Operating Temperature0 to 60 degrees Celsius
Temperature CodeT4
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The 1756-L8SPK from Allen Bradley functions as a safety partner controller within the ControlLogix series. Engineered to integrate with a primary controller, its safety memory is specifically configured to ensure seamless cooperation. This device has the capacity for 80,000 power cycles, providing longevity for extensive use in various applications.

Current consumption is measured at 1.2 Amps when operating at 5 V while drawing a minimal 5 mA at 1.2 V. Power dissipation is rated at 6.2 watts, indicating efficient energy management. The thermal dissipation stands at 21.2 BTU/hr, reflecting the need for proper cooling in operational scenarios.

With a broad operating temperature range of 0 to 60 degrees Celsius, the 1756-L8SPK is suitable for diverse environments, categorized under temperature code T4. The module features an open enclosure designed to fit within 1 slot width, simplifying installation requirements. Protection against the elements is enhanced by conformal coating, which safeguards internal components from dust and moisture, ensuring reliability in various conditions.