Fortress Safety
Safety Door Switches and Industrial Safety Systems
About Fortress Interlocks
With over 30 years of experience, Fortress Interlocks is a global leader in industrial safety systems. Innovative safety interlocks and access control systems ensure the highest level of safety for machinery and personnel.
Our TÜV-certified products are manufactured in compliance with EN ISO 13849-1 and IEC 61508 standards, providing reliable protection up to Performance Level e (PLe).
mGard Range
Perfect Combination of Safety
mGard Range is Fortress Interlocks' leading trapped key interlock series for industrial safety applications. Proven mechanical protection for hazardous machines and processes, suitable for SIL 3, Category 4 and up to PLe applications.
- SIL 3, Category 4 and PLe safety level
- TÜV certified safety
- Modular and robust construction
- Wireless door systems
- Widest trapped key interlock range
Trapped key principles isolate energy sources before access, solving safety concerns. The only TÜV-certified trapped key system on the market offering the highest safety level.
amGardpro Range
Power and Flexibility Advanced
amGardpro is a unique modular industrial door safety switch range. It offers electro-mechanical solutions for applications such as EN ISO 13849-1, Category 4, PLe (SIL3).
- TÜV SUD approved safety
- Solenoid and non‑solenoid safety switches
- Integrated escape release
- Pushbuttons and indicator lights
- Multi‑function in a single device
amGardpro replaces all hardware normally used in a guarding system, providing key functions without extra devices.
tGard Range
A New Standard in Aesthetics, Safety and Flexibility
tGard stands out with a metal body design compared to plastic alternatives. It offers an advanced approach to controlling access to hazardous machinery and equipment.
- Durable metal body
- IP65 protection rating
- Easy installation – no brackets required
- Customizable control elements
- Full compliance with new machine safety standards
Enhances both appearance and safety with its design and control options. Metal body ensures durability and long life.
Osbourn Range
Make Safety Your Priority
Designed in accordance with ISO 10218-2, Osbourn prevents entry to hazardous zones by light curtaining, triggering safe machine state.
- Full compliance with ISO 10218-2
- Effective protection in large areas
- Blind spot detection
- Moving part detection
- Easy reset and restart
Safely detects moving parts, blind spots and obstacles in large areas. An excellent alternative to presence sensing devices.
ncGard Range
Non‑contact Technology
ncGard is Fortress' non‑contact safety switch range for machine guarding. Magnetic switches in polymer or stainless housings are ideal for hygienic environments.
- NCS – IP69K Solid‑State Effect Sensor
- FM Series – Magnetic Safety Switches
- FE Series – Magnetically Coded Safety Switches
- FS Series – General Coded RFID Safety Switches
- FR Series – Uniquely Coded RFID Safety Switches
- PLe certified Safety Relays
Durable design for long life and minimal maintenance. Resistant to shock and vibration with high tamper resistance.
ATOM - RFID Safety Interlock
High Standards of Safety
The latest in the ncGard family, ATOM is a compact, ultra‑robust solenoid interlock with High Coding per ISO 14119. Suitable for PLe (Category 4) applications.
- Solenoid‑controlled locking
- High‑coded RFID technology
- 8kN locking and holding force
- Ultra‑compact 140mm x 33mm design
- Protection up to PLe and SIL3
- Daisy‑chain up to 8 ATOMs
- IP65 and IP67 protection
- TÜV Safety Certification
Provides discreet, easy installation with OSSD outputs. Daisy‑chain connections simplify wiring while preventing fault masking.
Discover Fortress Products
Explore Fortress safety systems in our stock and find the right solution for your needs.