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Allen Bradley 1336 SP-142738

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SP-142738

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The Allen Bradley SP-142738 precharge board is designed for high-performance applications. This component accommodates an input voltage range from 500 to 575 Volts AC and has a robust horsepower rating of 125. The board is structured to support 3-phase systems, ensuring compatibility with both 1336 PLUS and 1336 PLUS II drives.

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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-142738

ManufacturerAllen Bradley
Product TypePrecharge Board
Product Line1336
Part NumberSP-142738
Weight15.00 lbs (6.80 kg)
UPC662453045054
Rated Voltage500 to 575 Volts AC
Horsepower Rating125 horsepower
Phase Rating3-phase
Vibration Resistance1 G peak (0.006 inches displacement)
System Frequency50 to 60 Hertz
Protection TypeIP00 (open-type enclosure)
Shock Resistance15 G peak for 11 milliseconds
Cooling MethodNatural cooling
Compatibility1336 PLUS and 1336 PLUS II drives
Operating AltitudeUp to 3,300 feet (1,000 meters) without derating
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The SP-142738 precharge board from Allen Bradley is a critical component for configuring AC drive systems. It supports a significant voltage range of 500 to 575 Volts AC and is rated for 125 horsepower, allowing it to cater to demanding motor applications. This board is built for use in 3-phase setups, specifically engineered to function with the 1336 PLUS and 1336 PLUS II series drives, ensuring versatility in various installations.

Operating at a system frequency of 50 to 60 Hertz, the SP-142738 maintains stability across different electrical conditions. Its design includes vibration resilience, rated at 1 G peak which corresponds to a displacement of 0.006 inches, confirming its capacity to endure mechanical stress. In terms of shock resistance, the board can withstand 15 G peak for 11 milliseconds, reflecting its robust construction suitable for industrial environments.

The precharge board is housed in an open-type enclosure, classified as IP00, signifying limited environmental protection yet allowing for easier access during maintenance. Natural cooling is implemented, promoting efficient thermal management without requiring external cooling mechanisms. The operating altitude for the SP-142738 is commendable, permitting installations up to 3,300 feet (or 1,000 meters) without derating, making it suitable for various geographic conditions.