SR 500 EX fan unit
SR 500 EX product features:
- Explosion-proof ATEX design – the air supply unit has been designed specifically for operation in potentially explosive atmospheres, meeting the requirements of the ATEX Directive 2014/34/EU.
- Positive pressure respiratory protection system – the positive pressure generated in the protective equipment effectively prevents the ingress of contaminants from the environment.
- Efficient assisted ventilation – an ideal solution for intense or prolonged physical exertion, especially at high working temperatures.
- Li- Ion 18V battery power supply – a capacious 3.0 Ah battery ensures stable and reliable operation of the unit in demanding conditions.
- Compatibility with particle and combination filters – filters can be adapted to the type of hazards present in the workplace.
- Resistance to harsh environmental conditions – designed to operate at temperatures from -10 to +40°C with humidity below 90% RH.
- Certified quality and safety – meets the EN 12941, EN 12942 standards and the EN and IEC 60079 series explosion-proof standards.
- Swedish production – high quality workmanship and durability confirmed by the reputation of the manufacturer Sundström.
FAQ – frequently asked questions
What makes SR 500 EX fan unit stand out?
SR 500 EX is ATEX certified, so it can be safely used in potentially explosive atmospheres.
What applications is the SR 500 EX fan intended for?
The device is designed for intensive and long-term work at high temperatures and in high-risk environments.
What filters can be used with SR 500 EX?
SR 500 EX works with both particle and combination filters, depending on the hazard.
Does the SR500 EX meet PPE requirements?
Yes, the unit meets the requirements of Directive (EU) 2016/425 on personal protective equipment.
Questions
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Question about the product
Manufacturer: Sundstrom

Manufacturer:
Sundström Safety AB
Västergatan 4
Lagan 341 50
e-mail: info@srsafety.se
Download - General safety instructions for filters and absorbers
Safety warnings:
- Use only for its intended purpose and in an environment consistent with the filter marking.
- Do not use in oxygen-deficient atmospheres or in environments where the substance concentration is unknown.
- The product does not protect against all types of chemical and biological threats – always check the scope of protection.
- Do not modify or clean filters – they are single-use or limited-use products.
- The filter should be replaced immediately at the first signs of leakage, damage or loss of effectiveness.
- The product is not intended for children.
- Foil packaging may pose a choking or suffocation hazard – keep away from children.
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