Allen-Bradley 1336-PB-SP2C Pre-Charge Circuit Card

Compact and reliable pre-charge circuit card used in Allen-Bradley 1336 PLUS and 1336 PLUS II variable frequency drives. The 1336-PB-SP2C is designed to manage inrush current during initial power-up, extending capacitor and component life by allowing gradual charging of the DC bus.

Technical Specifications:
Catalog Number: 1336-PB-SP2C
Component Type: Pre-Charge Circuit Card
Application: Used in 1336 PLUS / PLUS II drives
Function: Limits inrush current to DC bus capacitors during power-up
Voltage Class Compatibility: 230V / 460V AC drives (verify model-specific compatibility)
Mounting: Internal to drive chassis (plug-in card format)
Connection Type: Edge connector and faston terminals
Control Interface: Works with drive’s internal logic to bypass pre-charge after charging
Protection Features: Supports soft-start of DC link capacitors
Operating Temp Range: 0 to 50 °C (typical)
PCB Size: Approx. 5 in × 4 in (varies)
Part Replacement Use: Field-replaceable spare part for repair or upgrade of VFDs Please review pictures carefully and let us know if you have any questions!