BOCHU
BOCHU BOCI Lower Protective Lens D34×5（8~60KW）
BOCHU BOCI Lower Protective Lens D34×5（8~60KW）
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Original BOCHU BOCI D34×5 lower protective lenses for the listed BLT cutting-head configurations. This page includes six distinct configurations rated up to 8, 15, 20, 30, 40 and 60 kW. Confirm the lower position, original part number and BLT model before selecting a variant.
Part Numbers and Matching Models
| PART NUMBER | MATCHING MODEL |
| D34×5-2S（DP.V.P0049AA） ≤8kw | BLT421S、BLT421TS、BLT510、BLT520 |
| D34×5-4（P.S.B0021） ≤15kw | BLT420、BLT420S、BLT421、 BLT421T、BLT440F、BLT441、BLT441T、BLT442、BLT442T、BLT641、BLT641H、BLT642H、BLT520H、BLT540H、BLT840H、BLT442P、BLT640、BLT643H |
| D34×5-6（DP.V.P0004AA） ≤20kw | BLT460F、BLT461、BLT462、BLT461T、BLT462T、BLT661、BLT661H、BLT662H、BLT662MA、BLT860H、BLT560H、BLT462P、BLT663H |
| D34×5-8（DP.V.P0005AA） ≤30kw | BLT481、BLT482、BLT681H、BLT682H、BLT682MA、BLT482P、BLT980MA、BLT683H |
| D34×5-10（DP.V.P0012AA）≤40kw | BLT4101、BLT4102、BLT6101H、BLT6102H、BLT6102MA、BLT4102P、BLT9100MA、BLT6103H |
| D34×5-12（DP.V.P0038AA）≤60kw | BLT4122、BLT9120MA |
How to Select the Correct Variant
Confirm the lower position and D34×5 size, then match the exact original part number and BLT model. Listed power is a supporting cross-check.
Why Correct Selection Matters
Similar dimensions do not establish the same model assignment.
Why Buy From BOCHU.store
The six listed mappings are organized by original part number and model.
Quick Answers
How do I identify the variant?
Match the part number and model.
Is P.S.B0021 the listed 15 kW option?
Yes, as shown in the table.
What if I cannot confirm the matching model?
Send a clear photo of the package label or cutting-head nameplate for confirmation.
Browse Lower Protective Lenses.
Qualified Model Routes
For position-first selection, browse Lower Protective Lenses. The following exact-model routes are limited to the model and part-number rows shown above: BLT421, BLT421S, BLT421T and BLT421TS.
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