Description
Indicating and Testing Combination Alarm and Test Unit MK800AF-11
Reliable alarm and testing solution for industrial safety systems with integrated monitoring and diagnostics.
| Brand | Siemens |
| Model | MK800AF-11 |
| Voltage | 24 V DC |
| Country of Origin | Germany |
| Weight | 1.2 kg |
| Dimensions | 150 x 100 x 70 mm |
| Warranty | 2 years |
| Certifications | CE, UL, EN54-3 |
| SKU / MPN | MK800AF-11 |
| What’s in the box | Alarm and Test Unit MK800AF-11, mounting bracket, user manual, wiring connectors |
| Alarm Types Supported | Acoustic and Visual |
| Test Function | Integrated automatic and manual test modes |
| Operating Temperature | -10°C to +55°C |
| Mounting Type | Wall mount |
| Communication Interface | Not specified |
| Power Consumption | Max 5 W |
Key benefits: Ensures reliable alarm signaling and system testing to maintain safety compliance and reduce downtime through easy diagnostics and maintenance.
Typical applications: Industrial safety systems, fire alarm panels, emergency signaling, and monitoring in manufacturing plants and commercial buildings.
Order number: Indicating and Testing Combination Alarm and Test Unit MK800AF-11
Lifecycle: Active product with ongoing support and updates
Documentation: User manual, installation guide, and certification documents available upon request
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.






Steven R. –
Product was exactly as described. Our engineers were pleased with the performance.