Bambu Lab AC Board Replacement for A1 / P1 / X1 / H2D Series – Power Distribution Board
The Bambu Lab AC Board is the official power distribution board replacement for A1, P1, X1, and H2D Series printers. This circuit board delivers AC power to the heated bed and chamber heating module, ensuring proper temperature control during printing.
Essential for restoring heating functionality when experiencing bed heating failures, power delivery issues, or damaged electronics.
Bambu Lab AC Board Key Features
- Power Distribution – Delivers power to heatbed and chamber heater
- 110V/220V Support – Multiple voltage variants
- Original OEM Part – Genuine Bambu Lab quality
- Safety Circuits – Built-in protection features
- Model-Specific – Designed for each printer series
- Direct Replacement – Same mounting and connectors
When to Replace
- Bed Not Heating – Heatbed fails to warm up
- Heating Errors – Temperature-related error messages
- Power Issues – Inconsistent power delivery
- Burnt Components – Visible damage on board
- Chamber Heater Failure – X1E/H2D heating issues
AC Board Variants by Series
| Part Number | Printer Series |
|---|---|
| DLB007 | X1 Series |
| DLB021 | P1 Series |
| SPC002 | A1 Series |
| 59383245 | A1 Mini |
| DLB030, DLB031 | H2D Series |
Compatibility
Compatible Printers:
Important: Each printer uses a different AC board variant. Ensure you select the correct part number for your printer model and voltage (110V or 220V). |
Bambu Lab AC Board Specifications
| Brand | Bambu Lab |
| Bambu Part Numbers | DLB007, DLB021, SPC002, 59383245, DLB030, DLB031 |
| Part Type | AC Board / Power Distribution Board |
| Function | Power delivery to heated bed and chamber heater |
| Voltage Support | 110V / 220V (model specific) |
| Materials | Metal, Plastic (circuit board) |
| Color | Black & Yellow (X1/P1/A1), Black (H2D) |
| Package Size (X1/P1/A1) | 105 x 54 x 33 mm |
| Package Weight (X1/P1/A1) | ~0.07 kg |
| Package Size (H2D) | 180 x 165 x 35 mm |
| Package Weight (H2D) | ~0.188 kg |
Bambu Lab AC Board FAQ
Q: How do I know which AC board I need?
A: Check your printer model and voltage. Each printer series uses a specific AC board variant. Also ensure you match your region’s voltage (110V or 220V).
Q: Is replacing the AC board dangerous?
A: AC boards handle mains voltage. Always disconnect power completely before any maintenance. Follow official Bambu Lab maintenance guides carefully.
Q: My bed heats slowly – is it the AC board?
A: Slow heating could be the AC board, heatbed assembly, or connection issues. Try checking connections first. Consistent failure to heat usually indicates AC board problems.
Related Products
Looking for other Bambu Lab electronic parts? Explore our collections:
- Power Supply – PSU replacement
- Heatbed Assembly – Bed unit
- MC Board – Main controller
- Bambu Lab Spare Parts – Full range









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