Gate Drive, High-Power Solution
The Allen-Bradley 1336-BDB-SP30D is a PCB Gate Drive Board for AC drives. This spare part kit is used with 460 Volt AC-powered Allen-Bradley 1336 series AC drivers. It can only be used with "D" frame sized drives that are 100 Horsepower rated. This PCB Gate Drive Board is categorized in the most important group of Allen-Bradley AC drives spare parts (level 1 spare parts - major assemblies). You can find this spare part in catalogs in 1336STEF group denoted with 74101-169-54 (alternative part number). Spare part kits with 1336-BDB-SP30A and 1336-BDB-SP30C designations are older versions of this spare part kit. The Allen-Bradley PCB Gate Drive Board serves as an amplifier to control signals on 1336 series AC drives. As an input, it gets low power signal and then amplifies it to a higher power level control for switching IGBTs. This is one of the main components dedicated to perfect control of 100 HP motors.

Technical specifications
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1336-BDB-SP30D |
| Description | PCB Gate Drive Board |
| Voltage | 460V AC |
| Horsepower | 100 HP |
| Frame Model | A,B,C,D, or E |
| Alternative Part Number | 74101-169-54 |
| Product Lifecycle Status* | Discontinued/Obsolete |
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core function

Allen-Bradley 1336-BDB-SP30D is a high-performance inverter, belonging to the 1336 PLUS series, with a rated power of 30HP (22kW), designed for medium and heavy industrial applications. Supports three-phase 380-480V AC input, provides precise motor speed and torque control, and is suitable for high-load equipment such as fans, pumps, and conveying systems.
Intelligent motor control
Adopts vector control technology to achieve ±0.5% speed regulation accuracy and supports constant torque and variable torque load adaptation. Built-in PID regulator can directly receive process feedback signals (such as pressure and flow), suitable for closed-loop control systems.
Multiple protection mechanisms
Integrated overcurrent, overvoltage, undervoltage, overheating and other comprehensive protection functions, with motor thermal model monitoring to prevent winding overheating damage. Supports fault self-diagnosis, and quickly locates problems through LED indicators and communication interfaces.
Flexible communication and expansion
Provides standard RS-485 interface, supports DF1 and Modbus RTU protocols, and can be connected to PLC or SCADA systems. Optional DeviceNet or ControlNet communication modules can be used to meet industrial network integration requirements.
Dedicated communication channel
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