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- Allen Bradley
- 1336-SN-SP10A
- Inverter Snubber PCB
- USA
- 185 × 40 × 110 mm
- 0.68 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Allen Bradley 1336-SN-SP10A Snubber PCB is a replacement circuit board used in the Allen Bradley 1336 Series Adjustable Frequency AC Drive (Inverter). It is an electronic protection component installed inside the drive system to help suppress voltage spikes and transient electrical disturbances generated during inverter operation.
In variable frequency drive applications, rapid switching of power semiconductor devices such as IGBTs or power transistors can create high-frequency voltage transients. The snubber circuit board helps absorb and control these unwanted electrical fluctuations, reducing stress on power components and improving drive operating stability.
The 1336-SN-SP10A is mainly used for maintenance, repair, and replacement of existing 1336 series inverter assemblies. It supports the long-term operation of motor control systems used in industrial automation, manufacturing equipment, pumps, fans, and process machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1336-SN-SP10A |
| Series | 1336 Series |
| Product Type | Inverter Snubber PCB |
| Board Type | Printed Circuit Board Assembly |
| Function | Voltage Spike Suppression / Power Circuit Protection |
| Application | AC Drive Maintenance and Repair |
| Compatible Equipment | Allen Bradley 1336 Series Drives |
| Dimensions | 185 × 40 × 110 mm |
| Weight | 0.68 kg |
Product Features
The Allen Bradley 1336-SN-SP10A provides electrical protection support for inverter power circuits.
Key features include:
- Designed for Allen Bradley 1336 series drives
- Snubber circuit protection function
- Helps reduce voltage transient impact
- Protects power switching components
- Supports inverter system reliability
- Suitable for replacement and maintenance applications
- Compact PCB assembly structure
- Designed for industrial motor control environments
- Helps extend service life of power electronics components
- Supports existing drive system restoration
The board is an important supporting component inside the inverter power section and contributes to stable motor drive operation.
Working Principle
The 1336-SN-SP10A operates as a transient suppression circuit within the inverter system.
Typical operation path:
AC Input → Drive Power Circuit → Switching Devices → Snubber PCB → Motor Output
During inverter operation:
- Power semiconductor devices rapidly switch voltage to control motor speed and torque.
- Switching actions can generate voltage overshoot and electrical transients.
- The snubber circuit absorbs and limits these transient energies.
- The reduced voltage stress helps protect switching components and other power circuit elements.
- The inverter continues operating with improved electrical stability.
By controlling switching-related disturbances, the snubber PCB helps maintain reliable performance of the AC drive.
Application in AC Drive Systems
The Allen Bradley 1336-SN-SP10A is mainly used as an internal protection component in industrial variable frequency drives.
| Component | Function |
|---|---|
| Power Module | Controls motor power switching |
| Snubber PCB | Suppresses electrical transients |
| Control Board | Handles drive logic and parameters |
| Gate Drive Circuit | Controls power semiconductor switching |
| Motor System | Receives variable frequency power output |
The snubber board works together with the drive power electronics to improve system stability and reduce component stress.
Industrial Applications
| Industry | Typical Application |
|---|---|
| Manufacturing | Conveyor and production equipment motor control |
| Water Treatment | Pump speed regulation |
| HVAC Systems | Fan and compressor control |
| Material Handling | Hoists and lifting equipment |
| Process Industry | Variable speed motor applications |
| Industrial Automation | AC drive-based motion control |
The 1336-SN-SP10A is suitable for industrial facilities maintaining Allen Bradley 1336 series inverter systems.
Installation and Maintenance
Proper handling is required when replacing inverter PCB components.
Recommended practices:
- Disconnect power before accessing the drive.
- Verify drive model compatibility before replacement.
- Check PCB connectors and mounting points.
- Inspect surrounding power components for damage.
- Avoid electrostatic discharge during installation.
- Confirm drive operation after replacement.
- Record maintenance information for future service.
Regular inspection of drive components helps prevent unexpected inverter failures.
Compatible System Components
The Allen Bradley 1336-SN-SP10A is commonly used with:
| Component | Function |
|---|---|
| Allen Bradley 1336 Series AC Drives | Main inverter platform |
| Power Switching Modules | Motor power control |
| Drive Control Boards | Parameter and logic control |
| Gate Driver Assemblies | Semiconductor switching control |
| Motor Protection Systems | Equipment safety management |
| Industrial PLC Systems | Drive command and monitoring |
Recommended Related Models
| Model | Product Type | Application |
|---|---|---|
| Allen Bradley 1336-SN-SP10A | Inverter Snubber PCB | 1336 Series drive protection |
| Allen Bradley 1336-CON-019 | Drive Connector Component | Drive maintenance |
| Allen Bradley 1336-MOD-KC005 | Drive Option Module | Inverter expansion |
| Allen Bradley 1336-FR-A020-AN | AC Drive Component | Motor speed control |
| Allen Bradley 1336-BDB-SPxx | Drive Power Component | Drive repair applications |
Model selection should be based on inverter series, drive rating, hardware revision, and replacement requirements.
Key Advantages
- Provides transient voltage suppression for inverter circuits
- Helps protect power semiconductor components
- Supports reliable operation of 1336 series drives
- Suitable for industrial maintenance replacement
- Reduces electrical stress during switching operation
- Improves drive system stability
- Compact PCB assembly design
- Supports long-term service of existing equipment
Technical FAQs
What is the function of the Allen Bradley 1336-SN-SP10A?
The 1336-SN-SP10A is a snubber PCB used inside Allen Bradley 1336 series drives to suppress electrical voltage spikes and protect inverter power components.
Why is a snubber circuit required in an inverter?
A snubber circuit helps control voltage transients generated during high-speed switching of power semiconductors, reducing stress on electronic components.
Is the 1336-SN-SP10A a complete AC drive module?
No. It is an internal PCB component used as part of an Allen Bradley 1336 series inverter assembly.
When should the snubber PCB be replaced?
Replacement is typically required when the drive shows power circuit faults, transient protection issues, or when inspection identifies PCB damage.