Bring the appearance of daylight into spaces where a conventional skylight is impractical. The Z-window 1503 combines a blue sky effect with adjustable white light to create a brighter, more open feel in interior rooms.
Its brightness and colour temperature can change through the day, from warm light to a cooler daytime setting. Control options include an app, a dedicated panel and DALI, making it suitable for both standalone installations and planned lighting schemes.
Choose the 1503E for a directional light effect with a 30° tilt, or the 1503W for a wall-washing effect. Multiple units can be installed in a line to create a longer skylight feature, with a 22 mm border between adjoining units.
Suitable for windowless rooms, corridors, hospitality spaces and other interiors that would benefit from an impression of daylight. Available by quotation. Contact Kazzar to discuss the right version, installation details and control strategy for your project.
Z-window 1503 and circadian lighting
With adjustable 2,500–10,000 K white light, 0–100% dimming and app, panel or DALI control, Z-window 1503 can be considered as part of a planned circadian lighting scheme. Its role and control schedule should be assessed for the room and the people using it.
Circadian lighting design considers the timing, duration, spectrum and amount of light reaching the eyes. Colour temperature and a blue sky appearance alone do not establish a biological effect. Ask Kazzar about project-specific lighting assessment and the measurements needed to evaluate a proposed installation.
Z-window 1503 Artificial Daylight Skylight
Product Spec
Specifications:
- Power: 92W
- Voltage: 90-277V AC
- Illuminance: 3000 lux
- Color Temperature: 2500 to 10000K
- Color Rendering Index (Ra): 98
- Light Tilt Z-window 1503E: 30°
- Light Tilt Z-window 1503W: Wall Washer
- Lifespan: 50,000 hours
- Sky Effect: True Blue
- Control Methods: APP, Panel, DALI
- Dimming Range: 0-100%
- Materials: Aluminium alloy shell and tempered glass surface
- Weight: 16.4 kg
- Operating Temperature: -20°C to 40°C
- Certifications: CE, ETL, CCC
Installation
Z-window 1503 Size: 1481x270x116mm
Sky Size: 1459x181mm
Hole Size: 1459x282mm
Holding Frame Size: 1521x309x79.5mm
Ceiling Height (one Z-window 1503): ≥ 350mm
Ceiling Height (above one Z-window 1503): ≥ 280mm
Border Width When Splicing: 11x2=22mm
Downloads
Circadian lighting guidance
For more information on planning a circadian lighting scheme, visit https://www.kazzar.net/circadian-lighting or contact Kazzar to discuss Z-window 1503.

