A manual call point with a protective cover is the correct specification for positions where accidental activation is a realistic risk: sports halls, school corridors with heavy foot traffic, factory and workshop environments where equipment movement or physical work near the call point could cause an accidental strike, and public areas with high pedestrian density.
The transparent hinged cover must be lifted by hand before the call point element can be broken, requiring a deliberate two-step action for activation. This is sufficient to prevent the vast majority of accidental activations from brushing contact or incidental impact while still allowing rapid activation in a genuine emergency: lifting the cover and breaking the element takes only marginally longer than breaking the element without a cover.
The cover is transparent, allowing the call point to be visually inspected and its status confirmed through the cover. The red call point body remains visible at all times.
The distinction from the batch 7 Alarmsense manual call point (55400-894APO) is the cover: this variant is specified for positions where accidental activation prevention is a design requirement, while the batch 7 variant is a standard MCP without a cover. Both serve the same function as the human-operated alarm activation device in the fire system.
For fire alarm engineers specifying manual call points in sports facilities, schools, warehouses, and other high-activity environments across London and the UK where accidental activation is a concern, the 44251-189APO provides the call point with transparent hinged protective cover.
Key Features
- Manual call point with transparent hinged protective cover
- Two-step activation prevents accidental activation from impact or bumping
- Transparent cover: call point status visually inspectable through the cover
- Deliberate lift-and-break action for emergency activation without delay
- Correct for sports halls, schools, workshops, and high-traffic corridors
- Distinct from standard MCPs without cover: for accidental activation prevention

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