• Allen-Bradley 1336-PB-SP2B
  • Allen-Bradley 1336-PB-SP2B
  • Allen-Bradley 1336-PB-SP2B
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Allen-Bradley 1336-PB-SP2B Precharge PC Board

Allen-Bradley 1336-PB-SP2B Precharge PC Board

The Allen-Bradley 1336-PB-SP2B is a precharge printed circuit board designed for use within the 1336 series drive systems. This component is essential for managing the initial inrush current during the...

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Availability: Low stock: 1 left

SKU: 1336-PB-SP2B
Vendor: Allen-Bradley
Category: Drive Spare Part
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  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
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  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
  • Rare Part Sourcing: Specializing in obsolete and hard-to-find components from Allen-Bradley, Siemens, ABB, HIMA, and more.
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View full product details

The Allen-Bradley 1336-PB-SP2B is a precharge printed circuit board designed for use within the 1336 series drive systems. This component is essential for managing the initial inrush current during the power-up sequence of the drive, protecting sensitive internal electronics from voltage spikes and surge currents.

Features

  • Original Allen-Bradley component for 1336 series drives
  • Manages DC bus precharge sequence
  • Protects drive power components from high inrush current
  • Direct replacement for specified 1336 drive configurations

Technical Specifications

Manufacturer Allen-Bradley
Model Number 1336-PB-SP2B
Spare Part Number 74101-502-51
Component Type Precharge PC Board
Weight 0.3 kg

Installation Guidelines

  • Ensure the drive is completely disconnected from the main power supply and that the DC bus capacitors have been fully discharged before attempting to access or replace the board.
  • Observe standard electrostatic discharge (ESD) precautions when handling the circuit board to prevent damage to integrated components.
  • Verify that the replacement board matches the original part number and revision level required by your specific drive model.
  • Ensure all ribbon cables and terminal connections are securely seated and free of debris or oxidation before restoring power.
  • Inspect the surrounding drive environment for signs of heat damage or debris that may have contributed to the failure of the previous board.

FAQ

Is the 1336-PB-SP2B still in production?
No, this model has been discontinued by the manufacturer. We provide high-quality spare parts to support legacy systems.

What is the function of this board?
The precharge board limits the current flowing into the drive's DC bus capacitors during the initial power-up phase to prevent damage to the rectifier and contactor components.