embOS-Safe
Proven RTOS technology certified for use in safety-critical applications.
- Safety-certified RTOS family for industrial, medical, automotive, home appliance, and other applications
- Available as embOS-Classic-Safe or embOS-Ultra-Safe to match different performance and timing requirements
- Certificate, safety documentation, and controlled maintenance to support functional safety compliance

Overview
Our safety-certified RTOS is available in two versions. Both include certification evidence for standards such as IEC 61508 SIL3, IEC 62304 Class C, and ISO 26262 ASIL D.
Key features
With SEGGER's professional services, customers can take full advantage of all key RTOS features, such as multi-tasking, comprehensive communication and synchronization services, and memory protection.
Safety-certified
Tested, vetted, certified. The embOS development process upholds the highest safety standards, as set by TÜV. To put it simply: embOS-Safe is the ideal foundational component for any functional-safety product.
API compatibility
embOS-Ultra-Safe is API-compatible with all other embOS variants, allowing existing applications and software components to be reused with little or no modification.
Safety documentation
RTOS certification is quick and easy with the included certificate. All necessary documents are on hand, including the certificate itself and a comprehensive embOS safety manual.
One-stop solution
embOS-Classic-Safe and embOS-Ultra-Safe are part of SEGGER's one-stop solution. This allows users to benefit from an extensive portfolio of software libraries, middleware, debug probes, and production tools.
Use cases
Safety across all product sectors
embOS-Safe is certified for use in a wide range of safety-critical applications according to leading functional safety standards. This makes it ideally suited as a foundation for products where safety is paramount. Certification for additional functional safety standards is available on request.

Industrial
IEC 61508 SIL3
Industrial automation, robotics, and other safety-critical machinery.

Medical
IEC 62304 Class C
Medical devices with software classified up to IEC 62304 Class C.

Automotive
ISO 26262 ASIL D
Automotive ECUs and other systems developed up to ASIL D.

Home appliances
IEC 61508 SIL3
Household appliances with functional safety requirements.
How embOS-Safe works
embOS-Safe provides a pre-certified RTOS, reducing the effort required to develop safety-critical systems. While certification of the complete application remains the responsibility of the product manufacturer, the supplied certificate, safety manual, and supporting documentation simplify the process.
SEGGER's dedicated functional safety team continuously maintains the certification and enables rapid support for new processor cores, compiler versions, and additional functional safety standards.

Licensing
The software is available under various embedded software license models and can be delivered as source code. All commercial licenses are based on a one-time payment, are royalty-free, and include six months of updates and support from SEGGER’s Embedded Experts.
There are no subscription fees, ensuring predictable and fixed costs over the entire product lifetime.
For non-commercial use, evaluation, and educational purposes, the software is provided under SEGGER’s Friendly License.
Get in touch with us
Have questions or need assistance? Our Embedded Experts are here to help!
Reach out to us for:
- Licensing quotes
- Technical inquiries
- Project support

