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BLASI – Key operated switch KDT, old

Name: BLASI - Key operated switch KDT, old - Best Spare Parts
SKU: BLSP-7910184

BLASI – Key operated switch KDT is a compact key‑controlled mode selector used on BLASI automatic doors and barriers to change the operating state of the door. The BLASI – Key operated switch KDT typically offers positions such as OFF–Automatic–Continuous–Hand, allowing authorized users to stop, start or override the door’s movement with a key. It is mounted on the operator tube or wall at about 1200 mm height so that security staff, maintenance personnel or cleaning crews can safely control the door without opening the panel. With a robust cylinder and basic contact arrangement, BLASI – Key operated switch KDT is suitable for indoor use in commercial BLASI‑based entrances where secure manual operation is required.

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BLASI – Key operated switch KDT forms part of the operating‑mode interface on BLASI revolving, swing and sliding‑door systems, providing a clear, key‑only way to adjust how the door behaves. When the correct key is inserted and turned, the BLASI – Key operated switch KDT moves between OFF, Automatic, Continuous and Hand, which changes the logic in the BLASI control unit so the door can be stopped, run normally, forced into continuous motion or set to manual‑only for service. This simple, position‑based selector helps staff quickly adapt the door’s behaviour during cleaning, high‑traffic events or maintenance without directly handling internal wiring or controls. The KDT‑style switch is designed for easy installation into the standard BLASI hardware layout and integrates neatly into the safety and mode‑selection chain.

Built for repeated use in commercial environments, BLASI – Key operated switch KDT features a durable key cylinder and reliable internal contacts with standard screw terminals. Its compact body fits into surface or flush‑mount brackets on BLASI door frames, operator tubes or control columns, giving a low‑profile and vandal‑resistant operating point. The switch is mainly intended for indoor installations or protected outdoor locations where dust and light moisture are present. By using BLASI – Key operated switch KDT, facility managers and technicians maintain a secure, code‑compliant operating‑mode control that supports safe manual intervention and consistent performance in BLASI‑based automatic‑door and barrier systems.

Article No: 7910184