Since 2006, DADISICK has led industrial automation safety tech globally. We specialize in smart sensor solutions, prioritizing safety, efficiency, and innovation
| Categories | Cascade Safety Light Curtain QT4 Series |
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| Brand | DADISICK |
| Model | QT4 15-7.5-105-2BB |
| Factory packaging | 1 Receiver and 1Emitter accessories, cable |
| Detection distance： | 0.3-6M |
| Beam spacing： | 7.5mm |
| Number of optical axes： | 15 |
| Protection height： | 105mm |
| 2 Safety outputs (OSSD) | 2 PNP |
| Interface plug | Equipped with M12 connector |
| Certification： | TÜV, UL, CE, RoSH, GB, ISO |
| Download |  |
| Update Time | Sep 13,2025 |
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industrial light curtain Product model
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Products series
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Cascade safety light curtain QT4 series
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Safety curtain kit
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One receiver, one transmitter, two data lines, one right-angle rack, and one t-shaped screw
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Safety Certificate
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TÜV CE, China GB certificate, ISO Certificate UL, TYPE 4
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Standard packaging
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Standard industrial environment
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Features
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Beam gap
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7.5mm
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Detect accuracy
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14mm
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Quantity of beams
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15
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Operation range
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105mm
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Product size | 30mm*30mm*L，L is the length of emitter and receiver. | ||
Detection distance | 30-6000mm | ||
Response time | ≤20ms | ||
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Mechanical data
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Housing material
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Housing material
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Metal casing
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Aluminium
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Lens front panel
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Acrylic
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Upper and lower cap materials
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ABS reinforced nylon PA66+30% GF
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Synchronization
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Current consumption
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≤200mA
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Output mode
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2 PNP, with current of 500mA and voltage below 1.5V, polarity, short circuit and over-cutting protection
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Output status
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ON (receiving indicator green light)
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Indicator lamp
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Transmitter: power indicator light (red); receiver: output indicator light on (green), blackout (red)
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Wave length | 850nm | ||
Type of emitter | Infrared light (NIR), invisible | ||
Function available | Automatic reset | ||
Synchronization | Line synchronization | ||
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Performance data
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Circuit protection
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Short circuit protection
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Voltage protection
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Overvoltage protection
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Supply voltage
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24VDC,-20...20%
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Maximum current consumption
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150mA
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Fuse | 2A half time interval | ||
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Environmental data
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IP degree of protection
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IP65
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Resistance to ambient light disturbance
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Incandescent light: illumination of light-receiving surface 3000Lx; Sunlight: illumination of light-receiving surface 10000Lx
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Ambient air temperature
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Operation temperature: - 10~+40 ℃ (but not frozen), storage temperature: - 25 -+55 ℃
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Ambient relative humidity
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Operating: 35~85% RH, storage: 35~95% RH
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Output
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Number of safe output circuits (OSSD)
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2-circuit
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Maximum switch voltage
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18V
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Minimum switch voltage | 2.5V | ||
Standard switching voltage | 22.5V | ||
Output circuit type | DC | ||
Maximum current load | 380mA | ||
Load inductance | 2000 | ||
Load capacity | 0.3 | ||
Maximum residual current | 0.2mA | ||
Standard residual current | 0.002mA | ||
Voltage drop | 1.5V | ||
Safety switch output 1 | Connection pin 4，WHITE OSSD1 | ||
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Safety switch output 2
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Connection pin 6， GREEN OSSD2
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Switching type | Transistor 2 PNP | ||
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Electrical interface
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Composition of interfaces
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2 (receiver and emitter)
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Connector type
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M12 connector, 9-pin
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Interface material | Copper nickel plating | ||
Plug material | GY384 gray 30P | ||
Available typical conductor section | 0.25mm² | ||
Maximum lenght of cable | 100m | ||
Maximum load of cable | 4.9A | ||
Cable wrapping material | PVC | ||
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Certificate
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CE TÜV
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No.E8A 104143 0001 Rev.00
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RoHS certification
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No.BSTDG180811032001CC
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CE Type 4 | No.ICR Polska/VC/HS221222 | ||
UL | No. 4790783741.1-S | ||
ISO | No. HIC180327 GB/T 19001-2016 / ISO 9001:2015 | ||
Since 2006, DADISICK has led industrial automation safety tech globally. We specialize in smart sensor solutions, prioritizing safety, efficiency, and innovation.MORE
