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Compressed air
IBL – Interlock Blocking
A mechanical safety lock that prevents gate closure and machine startup during maintenance — all without the need for electrical modifications.
Enhance your machine safety effortlessly without electrical modifications. The Fortress Osbourn IBL (Interlock Blocking) is a mechanical safety lock designed to prevent a gate or safety guard from closing before a maintenance key is returned. This ensures that unexpected machine startups are avoided and provides a secure working environment within guarded areas.
Why choose Osbourn IBL?
- Fully mechanical operation – no wiring, programming, or electricity required.
- Keeps gates locked open while the safety key is held by personnel.
- Suitable for both sliding and hinged gates – models IBL-S and IBL-H.
- Padlock-compatible for multi-person lockout scenarios.
- Made from 316 stainless steel for corrosion resistance and washdown durability.
- Long service life – rated for up to 1,000,000 operations.
- Easy installation requiring only two mounting screws.
Typical applications
- Robotic cells and automation lines
- Food and beverage production facilities
- Battery, chemical, and pharmaceutical industries
- Metalworking and packaging machinery
Secure your workforce without costly electrical changes – Osbourn IBL offers a fast and cost-effective way to improve machine safety.