Description
1336-CT-SP2A A-B Gate Drive Board
Product Dimensions：
Product Description (Detailed Explanation)
The 1336-CT-SP2A acts as the intermediary between the drive’s control logic and its high-power semiconductor switches (IGBTs). Its primary function is to receive low-voltage control signals from the Main Control Board and amplify them into high-current pulses capable of switching the IGBTs (Insulated Gate Bipolar Transistors) on and off.
This board ensures the precise timing of the Pulse Width Modulation (PWM) cycle, which is essential for controlling the speed and torque of AC motors. It also incorporates protective feedback loops to detect over-current or short-circuit conditions at the output stage.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Brand | Allen-Bradley (Rockwell Automation) |
| Part Number | 1336-CT-SP2A |
| Component Type | Gate Drive / Gate Driver Circuit Board |
| Drive Compatibility | 1336 PLUS, 1336 FORCE, 1336 IMPACT |
| Voltage Class | Typically 460V / 600V AC (Series Dependent) |
| Horsepower Range | Varies (Commonly used in Medium to High HP frames) |
| Input Logic Voltage | Low voltage DC (from Main Logic Board) |
| Output Type | High-speed Pulse for IGBT Gate Triggering |
Product Advantages (Key Benefits)
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Precise Motor Control: Facilitates high-speed switching, which results in smoother motor rotation and more accurate torque response.
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Direct OEM Compatibility: As an original factory part, it ensures perfect mechanical fit and electrical synchronization with the 1336 series hardware.
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Integrated Protection: Features on-board diagnostic circuitry that helps prevent catastrophic failure of the expensive power modules by sensing gate-level anomalies.
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Rugged Design: Built to withstand the high-temperature and electrically noisy environments typical of industrial motor control centers.
Precautions (Important Notes)
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High Voltage Danger: This board is connected directly to the high-voltage DC bus. Wait at least 5 to 10 minutes after disconnecting power for the bus capacitors to discharge before servicing.
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ESD Sensitivity: Like all complex PCBs, the 1336-CT-SP2A is sensitive to Electrostatic Discharge. Use a grounded wrist strap and ESD-safe packaging during handling.
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Matching Components: If the Gate Drive Board has failed, it is highly recommended to test the IGBT power modules as well. A failed IGBT can often “blow back” and destroy a newly installed Gate Drive Board.
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Legacy Status: The 1336 series is a mature/legacy product line. Ensure you are sourcing from a reputable supplier of certified new or refurbished parts to guarantee reliability.
Product Applications (Typical Use Cases)
The 1336-CT-SP2A is found in heavy-duty industrial drives used for:
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Water/Wastewater: Controlling large centrifugal pumps and aeration blowers.
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Material Handling: Managing high-torque conveyor systems and overhead cranes.
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Manufacturing: Powering fans, mixers, and extruders in plastics or food processing.
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Oil & Gas: Driving drill rigs and pumping stations where high-reliability motor control is mandatory.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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