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Allen Bradley 1336 PCB Boards 1336-SN-SP20A

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

1336-SN-SP20A

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The Allen-Bradley 1336-SN-SP20A Precharge PCB (Printed Circuit Board) is made for the 1336 Plus, Plus II, Impact, and Force AC Drives. It is compatible with the G and H-frame 1336 drives with 460 Volts AC or 575 Volts AC voltage ratings and 300 to 800 Horsepower output power ratings.

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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 1336-SN-SP20A

ManufacturerAllen Bradley
CategoryDrives
Product Line1336 PCB Boards
Part Number1336-SN-SP20A
Weight0.31 lbs (0.14 kg)
Description1336-SN-SP20A Precharge PCB Board
Voltage460 Volt AC or 575 Volt AC
Power Rating300 to 800 Horsepower
FrameG and H
Units of Kits per Drive1
Location Within The DriveSnubber bus board
Documentation1336 IMPACT-6.2, 1336 FORCE-6.2, or 1336 PLUS-6.2 trouble-shooting guide
Operating Temperature0 to 50 Degrees Celsius
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1336-SN-SP20A has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1336-SN-SP20A units instead of migration.

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The Allen-Bradley 1336-SN-SP20A printed circuit snubber board is a precharge snubber board for the common bus type 1336 Plus, Plus II, Force, and Impact adjustable frequency AC drives. This precharge snubber is located on the precharge board within the drive’s circuit board platform, and it helps provides limiting action to inrush currents during start-up. The 1336-SN-SP20A snubber board comes as an assembly kit comprising 1 precharge snubber board and an installation kit. The 1336-SN-SP20A snubber board is compatible with the G and H frame drives with 300 to 800 Horsepower output power rating, and it is designed for a circuit with 460 Volts AC or 575 Volts AC operating ratings.

Diodes on the 1336-SN-SP20A snubber board can be tested for the best working conditions by using a testing meter set at diode mode and comparing readings to the table readings. It is recommended to replace the snubber board if the meter readings do not match the table reading. To replace the snubbers, turn off the power from the drive and check for the absence of control voltage at the TB11 terminals and for zero voltage at the TB terminals (+DC and -DC). Carefully remove the main control board mounting plate, the gate driver mounting plate, and the entire circuit board platform to gain easy access to the snubber board. Detach the 2 jumper connectors on the board and remove the screws fastening the snubber board to the snubber bus bars. Replace the old snubber with the 1336-SN-SP20A spare snubber board and couple the drive by following the steps in the reverse order of the removal process.