Allen-Bradley 1336-BDB-SP44C is a Gate Driver PC Board designed for the Allen-Bradley 1336 AC Drive family. This replacement drive board provides gate control signals for the power switching section, controlling the operation of IGBT/SCR power devices to ensure proper motor speed and torque regulation.
The 1336-BDB-SP44C is used in 1336 series variable frequency drive systems and is specified for 460 VAC, 350 HP drive applications. It is installed inside the drive cabinet as part of the base drive/power control assembly.
Product Parameters
| Parameter |
Description |
| Brand |
Allen-Bradley (A-B) |
| Model |
1336-BDB-SP44C |
| Series |
1336 AC Drive Series |
| Product Name |
Gate Driver PC Board |
| Origin / Place of Origin |
USA |
| Product Status |
New Surplus / Original New |
| Board Type |
Power Drive Gate Control PCB |
| Application |
Variable Frequency Drive / Motor Control System |
| Compatible Drive Family |
Allen-Bradley 1336 Plus, Plus II, Force, Impact |
| Voltage Rating |
460 VAC |
| Power Rating |
350 HP |
| Frequency Rating |
50/60 Hz |
| Function |
Generates gate drive signals for power switching devices |
| Control Signal |
PWM / Logic Gate Control |
| Isolation |
Electrical isolation between control and power sections |
| Mounting Type |
Internal Drive Chassis Installation |
| Weight |
Approx. 3 lbs (1.36 kg) |
| Power Supply |
Internal drive power supply |
| Discontinued |
Manufacturer discontinued / legacy spare part |
Q&A
Q: What is the main function of Allen-Bradley 1336-BDB-SP44C?
A: It controls the switching signals sent to the power semiconductor devices inside the 1336 AC drive, allowing accurate motor control operation.
Q: Which drive system uses the 1336-BDB-SP44C?
A: It is used in Allen-Bradley 1336 series AC drives, especially 460 VAC, 350 HP configurations.
Q: Is 1336-BDB-SP44C a complete VFD unit?
A: No. It is a replacement gate driver circuit board installed inside an existing Allen-Bradley drive.
Q: What are common failure symptoms of this board?
A: Typical symptoms include drive startup faults, overcurrent alarms, power module switching errors, gate signal failure, and abnormal motor operation.
Q: What should be checked before replacement?
A: Verify the complete part number, drive voltage class, horsepower rating, frame size, board revision, connectors, and compatibility with the installed 1336 drive model.
Q: Is special handling required during replacement?
A: Yes. Allen-Bradley 1336 drives contain hazardous DC bus voltage. Power must be disconnected and the DC bus fully discharged before servicing.
