Allen-Bradley 1336-SN-SP16A Inverter Snubber Module

Description:

The Allen-Bradley 1336-SN-SP16A Module is an inverter snubber printed circuit board used in Bulletin 1336 series AC variable frequency drives to protect inverter power semiconductors from voltage spikes and switching transients. Commonly installed in Allen-Bradley 1336 PLUS, 1336 PLUS II, 1336 FORCE, and 1336 IMPACT drives where reliable high-power motor control and inverter protection are required. Maintenance teams, OEMs, and system integrators use this module for drive repairs, preventive maintenance, and restoration of legacy AC drive systems.

Applications:

The Allen-Bradley 1336-SN-SP16A Module is commonly used in industrial automation systems, conveyors, pumps, compressors, fans, and manufacturing equipment utilizing Allen-Bradley 1336 series AC drives. The 1336-SN-SP16A configuration is designed as an inverter snubber PCB for Frame F drives, helping suppress transient voltages and protect inverter components during switching operations in medium- and high-horsepower drive applications.

Technical Specifications:

• Manufacturer: Allen-Bradley / Rockwell Automation
• Model / Part Number: 1336-SN-SP16A
• Product Type: Inverter Snubber Circuit Board
• Board Type: Printed Circuit Board (PCB)
• Function: Suppresses inverter switching transients and protects power semiconductors
• Compatible Drive Series: 1336 PLUS, 1336 PLUS II, 1336 FORCE, 1336 IMPACT
• Compatible Frame Size: Frame F
• Input Voltage Compatibility: 460 VAC / 575 VAC
• Maximum Drive Rating: Up to 800 HP
• Mounting: Internal Drive Mount
• PCB Type: Single-Sided PCB
• Weight: Approximately 1 lb (0.45 kg)
• Operating Principle / Function: Absorbs voltage spikes generated during inverter switching to protect IGBT and power circuitry
• Application Environment: Industrial Automation and Variable Frequency Drive Systems

Common Replacements:

• Allen-Bradley 1336-SN-SP14A Inverter Snubber PCB
• Allen-Bradley 1336-SN-SP17A Converter Snubber PCB
• Allen-Bradley 1336-SNMX3-SP8A Inverter Snubber PCB