Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Model | 1336-BDB-SP63D |
| Product Type | Gate Driver PCB |
| Drive Series | 1336T |
| Voltage Class | 460 VAC |
| Power Rating | 1 HP |
| Series Compatibility | Series C and later |
| Primary Function | Gate-drive control for power-switching devices |
| Installation | Internal 1336T drive assembly |
| Quantity per Drive | 1 kit |
| Related Obsolete Versions | 1336-BDB-SP63A, 1336-BDB-SP63C |
| Replacement Status | SP63D replaces SP63A/C |
| Drive Category | 460 V PLUS, PLUS II, FORCE, IMPACT and REGEN spare-parts family |
Rockwell’s spare-parts documentation specifically identifies 1336-BDB-SP63D as “PCB, Gate Driver, 1336T, 460V, 1 HP, Ser C & Up” and specifies one kit per drive.
A current parts listing independently identifies the same component as “PCB, GATE DRIVE, 1336T, 460V, 1HP.”
Application Scenarios & Pain Points
A small 1 HP drive may control a conveyor, positioning mechanism, auxiliary pump, fan, or other process-support equipment. The motor itself is inexpensive compared with the production interruption caused by an unavailable drive.
Typical Applications
- 1336T 460 V Drives: The documented application is specifically 1 HP, Series C and later.
- Legacy Drive Repair: Suitable when the installed 1336T chassis remains serviceable and only the gate-drive portion requires replacement.
- Plant Spare Inventory: A sensible shelf spare where several older 1336T drives remain in service and the original SP63 board is difficult to source.
- Drive-Level Troubleshooting: The PCB should be considered when the logic/control section appears operational but the power devices are not being driven correctly.
Field Case:
A technician may see a drive that powers up normally but produces no usable motor output. Before changing the BDB board, check the DC bus, gate connections, switching devices, and driver supply. A damaged power transistor can make a new gate-driver PCB fail again at startup.
1336-BDB-SP63D
Related Products
- 1336-BDB-SP63A — Earlier SP63 gate-driver revision for the same general 1336T 460 V / 1 HP application. Rockwell identifies it as obsolete and replaced by SP63D.
- 1336-BDB-SP63C — Another obsolete SP63 revision. It is useful when identifying the board originally installed in an older drive; SP63D is the later replacement identified in Rockwell’s parts documentation.
- 1336-BDB-SP64D — Gate-driver PCB for 1336T, 460 VAC, 3 HP, Series C and later. Same basic function, but a different horsepower class.
- 1336-BDB-SP65D — Gate-driver PCB for 1336T, 575 VAC, 1 HP. The horsepower is similar, but the voltage class is different, so it is not a routine SP63D substitute.
- 1336-BDB-SP66D — 1336T, 575 VAC, 3 HP gate-driver PCB. Useful for comparison within the 1336T family but intended for a different voltage and power combination.
- 1336-BDB-SP62D — 1336T, 230 VAC, 3 HP gate-driver PCB. It belongs to the same general spare-parts family while serving a different voltage/power application.
- 1336-BDB-SP6D — 1336STG, 460 VAC, 30 HP gate-driver PCB. Much larger power application; useful only as a family reference, not as a direct replacement.
- 1336-BDB-SP67D — 1336STG, 230 VAC, 125 HP gate-driver PCB. Same broad gate-driver function but intended for a substantially different drive configuration.
The Engineer’s Guide: Field Pitfalls to Avoid
⚠️ Do Not Match Only “1336-BDB”
The BDB family covers numerous voltage and horsepower combinations. SP63D is specifically identified for 1336T, 460 V, 1 HP, Series C and later.
How to avoid it: Record the complete drive catalog number, input voltage, horsepower, series, and existing BDB-SP number before purchasing.
⚠️ Do Not Confuse With SP65D
Both are associated with 1 HP 1336T applications, but , while SP65D is listed for 575 V.
How to avoid it: Verify the drive nameplate rather than relying on physical board appearance.
⚠️ Check the Power Stage Before Installing the Replacement
A gate-driver PCB can be damaged by an existing shorted switching device or abnormal gate circuit.
How to avoid it: Lock out the drive, verify the DC bus is fully discharged, inspect the power devices and gate wiring, and check for burned components or overheated connectors before energization.
Frequently Asked Questions (FAQ)
What is Allen-Bradley 1336-BDB-?
It is a gate-driver PCB for Allen-Bradley 1336T drives, specifically documented for 460 VAC, 1 HP, Series C and later applications.
Can replace 1336-BDB-SP63A or SP63C?
Yes, Rockwell’s spare-parts documentation explicitly identifies SP63A/C as obsolete and replaced by .
The host drive should still be checked before installation, particularly when working on an older Series A/B/C system.
Is 1336-BDB- a complete VFD?
No. It is a gate-driver PCB installed within the 1336T drive. It is not the complete inverter, main control board, or power assembly.
Can I use 1336-BDB-SP64D instead?
Not as a general substitution. SP64D is specified for 1336T, 460 VAC, 3 HP, whereas is for 1 HP.
The difference in power class is significant even if the boards appear mechanically similar.
What should I verify when buying a refurbished ?
Request:
- Actual PCB photographs
- 1336-BDB-SP63D marking
- Board revision information
- Connector condition
- Evidence of thermal damage inspection
- Gate-drive functional test results
- Host-drive configuration used for testing
- Test report
- Warranty terms
For a legacy board, “powers on” is not enough. The gate-drive function needs to be evaluated under a suitable test arrangement.
Is still a current Allen-Bradley product?
It is a legacy 1336 spare part. Rockwell’s published parts documentation establishes as the later replacement for the obsolete SP63A/C versions.
For purchasing, retain the full 1336-BDB-SP63D identifier and verify the board marking against the drive’s exact configuration before shipment or installation.
