• Allen-Bradley 1336-PB-SP2C
  • Allen-Bradley 1336-PB-SP2C
  • Allen-Bradley 1336-PB-SP2C
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Allen-Bradley 1336-PB-SP2C Precharge Circuit Board

Allen-Bradley 1336-PB-SP2C Precharge Circuit Board

Description

The Allen-Bradley 1336-PB-SP2C is a precharge printed circuit board (PCB) designed for use within the 1336 series variable frequency drive systems. This component serves as a critical spare part for...

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SKU: 1336-PB-SP2C
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.
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Description

The Allen-Bradley 1336-PB-SP2C is a precharge printed circuit board (PCB) designed for use within the 1336 series variable frequency drive systems. This component serves as a critical spare part for managing the DC bus precharge sequence, ensuring that inrush currents are limited during the initial power-up phase of the drive to protect internal capacitors and power electronics.

Features

  • Original Allen-Bradley replacement component
  • Specifically designed for 1336 series drive architecture
  • Facilitates controlled DC bus charging to prevent component stress
  • Direct replacement for specified 1336 drive configurations

Applications

This precharge board is utilized in industrial motor control applications where 1336 series drives are deployed. It is typically required during maintenance or repair of drives experiencing precharge circuit failures or DC bus charging faults.

Technical Specifications

Product Model 1336-PB-SP2C
Spare Model / Ref 74101-502-57
Component Type Precharge PC Board
Manufacturer Allen-Bradley
Weight 0.3 kg

Installation Guidelines

  • Ensure the drive is fully disconnected from all power sources and that the DC bus capacitors have been verified as discharged before attempting to access the internal electronics.
  • Use proper Electrostatic Discharge (ESD) protection, such as a grounded wrist strap, when handling the circuit board to prevent damage to sensitive components.
  • Carefully align the board with the mounting standoffs and ensure all connectors are fully seated before re-applying power.
  • Verify that no loose debris or foreign objects remain inside the drive chassis after installation.

FAQ

Is this part still in production?

No, the 1336-PB-SP2C has been discontinued by the manufacturer. We provide this as a high-quality spare part for legacy system support.

What is the function of the precharge board?

The precharge board limits the initial inrush current when the drive is energized, preventing damage to the input rectifiers and DC bus capacitors.