Description
NU-540 is NuAire’s mainstream A2 cabinet, with DC ECM motor, 3–6 ft sizes and NSF 49 listing.
Marketplace listings and OEM catalogues are used for model and parameter research only. Final configuration, electrical supply, documentation, availability and pricing are confirmed by quotation.
Where this cabinet fits
Best for: Routine cell culture and microbiology with a preference for a long-established US platform.
Not the right choice for: Volatile chemical work or projects with no local service coverage.
Specifications
| Parameter | Value |
|---|---|
| Brand / manufacturer | NuAire |
| Airflow | 70% recirculation / 30% exhaust |
| Blower | DC ECM |
| Sizes | 3–6 ft |
| Filtration | HEPA |
| Stand | Fixed or hydraulic |
| Airflow class | Class II Type A2 |
| Available sizes | 3 / 4 / 5 / 6 ft |
| Compliance | NSF 49 |
Available configurations
| Configuration | Model | Verified specifications |
|---|---|---|
| NU-540-300 (3 ft) | NU-540-300 | Size / configuration: 3 ft; Operator: 1–2 persons; Airflow class: Class II Type A2; Working surface: 304 stainless; Certification: NSF 49 |
| NU-540-400 (4 ft) | NU-540-400 | Size / configuration: 4 ft; Operator: 1–2 persons; Airflow class: Class II Type A2; Working surface: 304 stainless; Certification: NSF 49 |
| NU-540-500 (5 ft) | NU-540-500 | Size / configuration: 5 ft; Operator: 2 persons; Airflow class: Class II Type A2; Working surface: 304 stainless; Certification: NSF 49 |
| NU-540-600 (6 ft) | NU-540-600 | Size / configuration: 6 ft; Operator: 2 persons; Airflow class: Class II Type A2; Working surface: 304 stainless; Certification: NSF 49 |
What to check before ordering
- Confirm the airflow class against your work: Type A2 recirculates about 70% of the air, Type B2 exhausts 100% outdoors.
- Measure the doorway, lift and bench run – a 6 ft cabinet needs clear access and a reinforced surface.
- Confirm the electrical supply and whether a stabilised or dedicated circuit is available.
- Decide who performs annual certification and how quickly HEPA filters can be replaced locally.
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