Workspace
conditional
Space to the right of the needle is listed as 8.5 inches.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.
Source evidence · 1 unique proof passage: Proof E1
BERNINA · verified physical machine
B 540
Identity verified · evidence for each owner answer
Identity verified · evidence for each answer
Using and maintaining this machine
Check the conditions alongside each answer. Foot attachment, shank type and adapter requirements are separate; one does not establish universal accessory fit.
Features and specifications
Maximum sewing speed
conditional
Maximum sewing speed is 1,000 stitches per minute.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.; Exact page-48 continuation row.
Source evidence · 1 unique proof passage: Proof E2
Maximum stitch width
conditional
Maximum stitch width is 9 mm.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.; Exact page-48 continuation row.
Source evidence · 1 unique proof passage: Proof E3
Bobbins and hook
Hook specification
conditional
The hook system is BERNINA Hook: this row gives B and the legend defines B as BERNINA Hook.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.; This does not establish bobbin class, dimensions, case or interchangeable part.
Source evidence · 1 unique proof passage: Proof E4
Needles and threading
Semi automatic threader
conditional
The semi-automatic needle threader feature is checked.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.; This is not a needle-system, size or threading-procedure claim.
Source evidence · 1 unique proof passage: Proof E5
Presser feet and adapters
Adjustable pressure
conditional
Adjustable presser-foot pressure is checked as present.
- Retained OEM 2024/2025 English catalog only; model availability and equipment vary by country and revision.; This is not a mount or interchangeable-foot claim.
Source evidence · 1 unique proof passage: Proof E6
Detailed specifications, compatible parts, and source library
Evidence coverage
Core answers and cited items
Machine category: Not yet established
Core domains answered: None yet
Domains with cited compatible items: None yet
Unknown is not incompatible. A missing answer means the current official evidence does not support one yet.
Official source library
Documents used on this page
Open the exact OEM PDF page or captured HTML edition when a safe destination exists; otherwise SewGraph labels the OEM support-page fallback honestly.
BERNINA machine catalog
machine catalog
Open official source destination · 1 unique proof passage: Proof E1
Evidence library
9 exact proof passages from 1 OEM document
Every passage below says exactly what visible fact it proves. Repeated references to the same locator are counted once; identity evidence never counts as compatibility evidence.
Open exact proof passages · 9 unique proof passages
Official OEM PDF
What this passage proves
- Workspace: Space to the right of the needle is listed as 8.5 inches.
Space to the Right of the Needle (inches) 8.5
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 4e8b57093066bb4a7bfeb1a7cb90c7fd8b96776a09230c1fed93e9b07943ab5b
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Maximum sewing speed: Maximum sewing speed is 1,000 stitches per minute.
Maximum Sewing Speed (stitches per minute) 1000
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 48
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- e7bbecaa0bf54384e7ac6eadc42a1f3c69aec2addb8374071c4f831417029601
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Maximum stitch width: Maximum stitch width is 9 mm.
Maximum Stitch Width (mm) 9
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 48
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 29597605195531e8171c18227539998892a13db9ddc98a0066a2cf41fb22e98d
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Hook specification: The hook system is BERNINA Hook: this row gives B and the legend defines B as BERNINA Hook.
Hook System** B B = BERNINA Hook
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- b6eb40ecee9cc07f3d137161050c2099244d83fa0f0a37d42e6489597231e137
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Semi automatic threader: The semi-automatic needle threader feature is checked.
Semi-automatic Needle Threader ✓
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 2e89f116f262620c0ff52f15b63125b33e1c6a323a60f6845306d651c614532f
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Adjustable pressure: Adjustable presser-foot pressure is checked as present.
Adjustable Presser Foot Pressure ✓
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 5cee62dbafe1855e1babbcee77d2ef3c5bc9b1c421f22ea7514f3f645b3cc8d2
- Destination status
- direct_pdf
Official OEM PDF
B 540
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Visually verified transcription of a scanned page
- Visual verification
- Checked 2026-09-29T09:39:00Z. The page image and transcription are hash-bound in the evidence record.
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- a726f31150004483850bf7db628c47de772ba878ece2f4321920bd6c41fe4677
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Identity — preferred display name: B 540
B 540
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Native document text
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 16d3b87d2db4dc9db44a87f643f9a3bd1835f2355dff75f4a390b76b1ff9ec2e
- Destination status
- direct_pdf
Official OEM PDF
What this passage proves
- Identity — model code: B 540
B 540
- Document
- BERNINA machine catalog
- Issuer
- BERNINA
- Extraction
- Native document text
- PDF page
- 46
- Open source
Advanced technical receipt
- Asset SHA-256
- 1d61f2774016df84ac0506753fad45bfc243fef8637eee587fd2088a2f2e4a5f
- Locator
- 2fc6490cf1b32ee6e9c693ee168cb9b2ae4aa707923b4ac3406096c05203b760
- Destination status
- direct_pdf
What is supported, and what remains open?
0 supported answers and 6 answers with conditions or remaining limits. Evidence coverage is not a probability of accuracy.
Unresolved owner questions (3)
- System: Not established — Not yet verified: Hook naming alone does not establish bobbin class, case or substitution.
- System and sizes: Not established — Not yet verified: Threader feature does not establish needle system or sizes.
- Standardized fit: Not established — Not yet verified: Pressure feature does not establish mount, holder, adapter or third-party fit.
Advanced provenance and dataset receipt
Public snapshot 9876b1a57bbab980799ee24f7c6faae515b5b2570cd1afde80116b7790ad4a16
Source export aae1ee024231f8f3a607c396043d4a8ea45d906c697fa43c76057838f80a1633 · source method recorded on each citation