Overview
The Optrel Swiss Air is a back-mounted powered air-purifying respirator designed to work under compatible welding helmets, face protection and other headgear. Choose the Loose Fit or Tight Fit configuration based on the facepiece, fit-testing requirements and protection program for the job.
Key details
- SystemBack-mounted PAPR with front control panel
- Airflow controlAdjustable with automatic airflow monitoring
- Filter monitoringAudible and visual system alerts
- Use with headgearDesigned to sit under compatible Optrel helmets and face protection
Choosing your configuration
- Loose FitPart 4700.010. Includes the loose-fitting half mask, uses 100–130 L/min airflow and can run up to 14 hours at the lowest setting. Formal tight-face fit testing is not required.
- Tight FitPart 4700.010.US. Uses 120–140 L/min airflow and up to 10 hours of battery operation. The Tight Fit half mask is sold separately in Small, Medium and Large. Fit testing is required.
What is included?
Loose Fit: blower unit with hose, loose-fit half mask, filter with pre-filter, spark protector, battery, harness, charger, carrying backpack and user instructions.
Tight Fit: blower unit with hose, PAPR-100N filter with pre-filter, spark protector, battery, harness, control panel, charger, carrying backpack and user instructions. The Tight Fit half mask is not included.
Need the Tight Fit mask?
Choose the correct size from the Optrel Swiss Air Tight Fit Half Mask product. Small, Medium and Large are sold separately.
Protection
The Loose Fit and Tight Fit configurations have different approval and fit requirements. Loose Fit is the EN 12941 TH3 configuration and does not rely on a tight face seal. Tight Fit is the NIOSH PAPR-100N / EN 12942 TM3 configuration and requires a correctly sized tight-fitting mask plus fit testing.
Protection & compliance
- Respiratory protection
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- EN 12941Loose Fit TH3 configurationApplies to the Swiss Air Loose Fit configuration supplied with the loose-fitting half mask. Optrel states that formal tight-face fit testing is not required for this configuration.
- NIOSH PAPR-100NTight Fit configurationApplies to the Swiss Air Tight Fit blower configuration when used with a correctly sized approved Tight Fit half mask and complete approved system. Fit testing is required.
- EN 12942Tight Fit TM3 configurationApplies to the Swiss Air Tight Fit configuration with the approved tight-fitting half mask. The mask is sold separately.










