What is Semi-cutoff fixture
A semi-cutoff fixture is a type of lighting fixture commonly used in outdoor applications, particularly as wall packs mounted on walls or poles. Unlike full cutoff fixtures that direct light solely downward, semi-cutoff fixtures have a design that allows some light to escape above the horizontal plane. This means that while the majority of the light is directed downward, a portion of it is also directed upwards, which can contribute to light pollution.
Semi-cutoff fixtures are often chosen for areas that require a moderate amount of downward lighting while still allowing for some upward lighting. They strike a balance between providing sufficient lighting for visibility and offering some aesthetic or ambient lighting. They are not as effective at minimizing light pollution or providing high levels of security compared to full cutoff fixtures.
Maybe You Are Interested In
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power
- 3A maximum working current with 660W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power
- 3A maximum working current with 330W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Ceiling-mounted PIR occupancy sensor with dry-contact relay output
- 12/24VDC or 12/24VAC low-voltage supply
- COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs
- Low-voltage DC recessed ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Low-voltage DC ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Wireless switch and receiver kit for indoor ON/OFF lighting control
- 100-230VAC, 50/60Hz receiver with 5A rated current
- CR2032-powered wireless switch with 2.4GHz communication
- Occupancy (Auto-ON/Auto-OFF)
- 12–24V DC (10–30VDC), up to 10A
- 360° coverage, 8–12 m diameter
- Time delay 15 s–30 min
- Light sensor Off/15/25/35 Lux
- High/Low sensitivity
- Auto-ON/Auto-OFF occupancy mode
- 100–265V AC, 10A (neutral required)
- 360° coverage; 8–12 m detection diameter
- Time delay 15 s–30 min; Lux OFF/15/25/35; Sensitivity High/Low
- Auto-ON/Auto-OFF occupancy mode
- 100–265V AC, 5A (neutral required)
- 360° coverage; 8–12 m detection diameter
- Time delay 15 s–30 min; Lux OFF/15/25/35; Sensitivity High/Low
- 100V-230VAC
- Transmission Distance: up to 20m
- Wireless motion sensor
- Hardwired control
- Voltage: 2x AAA Batteries / 5V DC (Micro USB)
- Day/Night Mode
- Time delay: 15min, 30min, 1h(default), 2h
- EU plug power adapter
- UK plug power adapter
- US plug power adapter
- 5V DC
- Transmission Distance: up to 30m
- Day/Night mode
- 5V DC
- Transmission Distance: up to 30m
- Day/Night mode
