Self-Contained Emergency Lamps
Self-Contained Emergency Lamps hold an internal battery and charging circuit, operating automatically on power loss. They provide general illumination for evacuation corridors and critical work locations. They differ from exit signs by not carrying symbols — they only light the space to help safe movement.
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About this category
Self-contained emergency lamps are the simplest and most widespread solution for evacuation illumination. The design: a lighting unit holding high-efficiency LEDs (3-20 W depending on model), a lithium-ion, Ni-MH, or Ni-Cd battery (1-3 h capacity), an automatic charging circuit that keeps the battery topped up continuously, an automatic transfer that switches to the battery within 0.5 s of power loss, and status LEDs for operation and fault. Types by install: surface-mounted, recessed in the ceiling, portable for emergencies, and wet-location rated. Types by mode: maintained (continuously lit, switching to battery on power loss), non-maintained (operates only on power loss), and switchable. Typical evacuation illumination targets: around 1 lux on the floor along the evacuation-route centerline, luminaires near direction changes and stairs, 5 lux vertical at fire-fighting equipment and first-aid points (EN 1838), with duration typically at least one hour under EN 1838 (or 90 minutes under NFPA 101). Specific levels and durations follow the local building code and project specification. Applications: offices and commercial buildings, schools, hospitals, hotels, factories, warehouses, underground parking, and corridor lighting. A substantive difference from ordinary lamps: self-contained units hold an internal battery and operate with no external intervention. A technical note: batteries lose capacity after 3-5 years and are replaced in full. Monthly 30-second test, annual full-duration test.
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Self-contained emergency lamps are the simplest and most widespread solution for evacuation illumination. The design: a lighting unit holding high-efficiency LEDs (3-20 W depending on model), a lithium-ion, Ni-MH, or Ni-Cd battery (1-3 h capacity), an automatic charging circuit that keeps the battery topped up continuously, an automatic transfer that switches to the battery within 0.5 s of power loss, and status LEDs for operation and fault. Types by install: surface-mounted, recessed in the ceiling, portable for emergencies, and wet-location rated. Types by mode: maintained (continuously lit, switching to battery on power loss), non-maintained (operates only on power loss), and switchable. Typical evacuation illumination targets: around 1 lux on the floor along the evacuation-route centerline, luminaires near direction changes and stairs, 5 lux vertical at fire-fighting equipment and first-aid points (EN 1838), with duration typically at least one hour under EN 1838 (or 90 minutes under NFPA 101). Specific levels and durations follow the local building code and project specification. Applications: offices and commercial buildings, schools, hospitals, hotels, factories, warehouses, underground parking, and corridor lighting. A substantive difference from ordinary lamps: self-contained units hold an internal battery and operate with no external intervention. A technical note: batteries lose capacity after 3-5 years and are replaced in full. Monthly 30-second test, annual full-duration test.
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