3 records
Technical model data should be checked against manufacturer material where available.
Source 1Source 2Source 3
IndGearIndustrial automation parts, verified before order approval.Request quoteQBM81-3catalog record
Siemens / QBM81-3
Siemens QBM81-3 HVAC or building automation sensor
Use Siemens QBM81-3 (hvac or building automation sensor) for machine sensing, detection circuits, and replacement sensor sourcing; confirm sensing principle, range, output type, connector, and supply voltage with buyer documents before quote approval.
- Brand
- Siemens
- SKU
- QBM81-3
- Category
- Sensors
- Condition
- To confirm
- Price status
- no price found
- Sources
- 6 records
Product overview
Siemens QBM81-3 is listed as a Sensors HVAC or building automation sensor record for SKU-led sourcing. The current record shows condition to confirm, requires price confirmation, and must still go through RFQ review so source, condition, warranty, and shipping terms are confirmed before order approval.
Technical notes
Siemens QBM81-3 is maintained as a HVAC or building automation sensor in the IndGear RFQ data layer. The card keeps the part number, normalized procurement category, source trail, and buyer confirmation inputs together so purchasing teams can match a BOM row while keeping stock and commercial terms subject to RFQ confirmation. Current evidence is import/search-led rather than exact product-page proof; keep this as a sourcing candidate until buyer documents confirm the variant. Compatibility, replacement approval, condition, lead time, and final price should be confirmed through RFQ using the buyer's documents. Before quoting, check sensing target/range, output type, connector or cable type, mounting constraints, quantity, condition preference, destination country.
Key features
- Manufacturer: Siemens
- Part number / MPN: QBM81-3
- Procurement category: Sensors
- Product type: HVAC or building automation sensor
- Family/series context: Siemens HVAC sensor family
- Source trail: import/search evidence, manual confirmation required
- RFQ context only: no guaranteed stock, authorization, warranty, or lead time claim
Applications
- machine sensing maintenance
- sensor replacement checks
- production-line troubleshooting
Verified specifications
| ean | 4047625008994 |
|---|---|
| series | Siemens HVAC sensor family |
| weight | 0.196 Kg |
| function | building automation measurement |
| descriptor | industrial sensor |
| sensor type | Differential pressure switch |
| source brand | Siemens |
| pressure range | 20...300 Pa |
| product family | Siemens HVAC sensor family |
| safe product type | HVAC or building automation sensor |
| supplier keywords | Siemens, Датчик перепада давления QBM81-3, Датчик, перепада, давления, QBM81-3 |
| validated category | Sensors |
| official spec notes | Worker EH used an exact Siemens-owned OEII product-detail page for identity/source repair. Source-backed fields only; commercial details unchanged. |
| product designation | QBM81-3 - Differential pressure switch, 20...300 Pa. Used as a flow switch or filter monitor in air ducts. |
| verified spec notes | Worker EH promoted from exact Siemens-owned OEII identity/specification evidence. Source-backed fields only; commercial details unchanged. |
| official product url | https://mall.industry.siemens.com/mall/en/oeii/Catalog/Product?SiepCountryCode=OE&mlfb=BPZ%3AQBM81-3 |
| official spec fields | ean, pressure_range, product_designation, sensor_type, siemens_identity_repair_reason, siemens_original_supplier_mlfb, siemens_resolved_mlfb, weight |
| official spec method | worker_eh_siemens_identity_resolver_wave_v1 |
| verified spec fields | ean, pressure_range, product_designation, sensor_type, siemens_identity_repair_reason, siemens_original_supplier_mlfb, siemens_resolved_mlfb, weight |
| verified spec method | worker_eh_siemens_identity_resolver_wave_v1 |
| official source brand | Siemens |
| siemens resolved mlfb | BPZ:QBM81-3 |
| brand content cleanup at | 2026-05-20T13:20:09.531Z |
| manufacturer part number | QBM81-3 |
| official spec source url | https://mall.industry.siemens.com/mall/en/oeii/Catalog/Product?SiepCountryCode=OE&mlfb=BPZ%3AQBM81-3 |
| verified spec source url | https://mall.industry.siemens.com/mall/en/oeii/Catalog/Product?SiepCountryCode=OE&mlfb=BPZ%3AQBM81-3 |
| official spec reviewed at | 2026-05-22T18:25:40.475Z |
| verified spec verified at | 2026-05-22T18:25:40.475Z |
| official source verified at | 2026-05-22T18:25:40.475Z |
| official spec field sources | [object Object] |
| official spec review method | worker_eh_siemens_identity_resolver_wave_v1 |
| official spec review status | verified_specs |
| verified spec field sources | [object Object] |
| brand content cleanup method | a_plus_plus_sbo_content_cleanup_v1 |
| siemens identity repair reason | siemens_building_bpz_prefix |
| siemens original supplier mlfb | QBM81-3 |
| official spec review source url | https://mall.industry.siemens.com/mall/en/oeii/Catalog/Product?SiepCountryCode=OE&mlfb=BPZ%3AQBM81-3 |
| siemens identity resolver status | exact_original |
| siemens identity resolver source url | https://mall.industry.siemens.com/mall/en/oeii/Catalog/Product?SiepCountryCode=OE&mlfb=BPZ%3AQBM81-3 |
| siemens identity resolver conflicts skipped | [object Object] |
Source context
References used before quote approval
3 records
External price and availability observations are RFQ context, not guaranteed stock or final sale price.
Source 1Source 2Source 3To verify
Raw supplier/import notes are preserved for manager review before quote approval.
FAQ
Is Siemens QBM81-3 available for immediate shipment?
Availability must be confirmed during RFQ because source, condition, stock location, and destination can change.
Can I request used or refurbished condition?
Yes. Include required condition and quantity in the RFQ so the team can verify available options.
Is this an authorized distributor page?
No unsupported authorization claim is made here. IndGear operates as an independent supplier marketplace unless specific authorization is verified.
RFQ control path
Turn an exact SKU into an approved purchase path.
IndGear reviews source, condition, lead time, warranty terms, and USD quote context before your team commits to the order.
- 01Submit SKU / BOMExact model, quantity, condition, destination
- 02Verify sourceSupplier signal, condition, references
- 03Review quoteUSD price, lead time, warranty terms
- 04Approve orderFinal confirmation before purchase
Quote-only sourcingRequest a USD quote
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