Allen Bradley 1336F-MCB-SP1J Main Control Board (MCB)

FAQ

Q1. What is the Allen‑Bradley 1336F‑MCB‑SP1J?
It is the main control PCB board used in Allen‑Bradley 1336F Plus II adjustable frequency drives as the central logic/control board.

Q2. Which drive series and frames is this board for?
The board is intended for 1336F Plus II drives, covering frame sizes B through G.

Q3. What are the physical size and approximate weight?
Typical dimensions are around 170 × 125 × 70 mm, and it weighs approximately 2.9 kg (≈ 6.4 lbs).

Q4. Is this part still produced by Allen‑Bradley?
No — the 1336F‑MCB‑SP1J is considered a legacy/discontinued control board and is usually sourced as surplus or refurbished.

Q5. What is the main function of this board?
It coordinates control, logic, and interface functions within the 1336F drive, acting as the primary control electronics.

Q6. Can this board be replaced in the field?
Yes — with drive power removed and proper ESD and safety procedures followed, it can be replaced as part of drive maintenance.

Q7. Where is this board typically sourced today?
This board is most often obtained from industrial surplus, repair specialists, or refurbishment marketplaces.

Q8. Does this board include communication interfaces?
As the main control board, it typically hosts internal connectors for drive I/O, option cards, and internal modules — specific interface support depends on drive configuration.

1336F-MCB-SP1J Allen Bradley

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