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Allen Bradley 1336 SP-142742

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

SP-142742

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The Allen Bradley SP-142742 serves as a precharge board, designed specifically for seamless integration with the 1336 PLUS, 1336 IMPACT, and 1336 FORCE drives. This component plays a vital role during power-up by limiting the inrush current directed towards the DC bus capacitors.

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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 SP-142742

ManufacturerAllen Bradley
Product TypePrecharge Board
Product Line1336
Part NumberSP-142742
Weight0.81 lbs (0.37 kg)
Input Voltage Compatibility460V / 575V AC
FunctionLimits inrush current to DC bus capacitors during power-up
Mounting StyleInternal Drive Mount
Compatibility1336 PLUS, 1336 IMPACT, and 1336 FORCE Drives
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature70°C
Minimum Relative Humidity5% (Non-Condensing)
Maximum Relative Humidity95% (Non-Condensing)
Installation Altitude1000 m
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The SP-142742 from Allen Bradley is a precharge board engineered for enhancing the reliability of specific drive systems. Designed to work with 460V and 575V AC input voltages, it effectively limits the inrush current to the DC bus capacitors during the critical power-up phase. This functionality protects the capacitors and supports the overall integrity of the drive operation.

This board installs internally within compatible drives, specifically the 1336 PLUS, 1336 IMPACT, and 1336 FORCE models. It operates in a temperature range from 0°C up to 40°C, ensuring optimal performance in various operational scenarios. When not in use, the SP-142742 can be safely stored at temperatures as low as -40°C and up to 70°C.

Moreover, the board is built for adaptability, functioning effectively at altitudes of 1000 meters without any performance derating. Humidity levels are also a consideration; the SP-142742 operates within a range of 5% to 95% relative humidity without condensation, accommodating a variety of environmental conditions.