Description
Robust die-cast housing
– Detection distance 30/50 mm
– No optical axis control required
– Built-in sensitivity adjuster
- 1/F Block J, Shifeng Technology Park, Shenzhen ,China
shape
Type name
PU-30
PU-30S
PU-50
PU-50SDetecting objects
30 mm
50 mmDetection distance
Opaque material Ø 2 mm or more
Opaque material Ø 0.4 mm or larger
Opaque material Ø 1.5 mm or larger
Opaque material Ø 0.6 mm or largerpower supply voltage
12 – 24 V DC (± 10%)Consume current
Below 30 mAOutput Action
Select Light On / Dark On based on the reverse power connection.Control output
NPN power output, load voltage: below 30 V DC, load current: below 180 mA (impedant load), residual voltage: below 2 VProtection circuit
Built-in output short-circuit overcurrent protection circuitResponse time
Less than 1 msLight source for projecting light
Infrared LED (modulation mode)Action indicator light
Output display: Red LED; Power display: Green LEDSensitivity adjustment
Fixed
Volume adjusted according to sensitivity
Fixed
Volume adjusted according to sensitivityMaterial
CASE
Zinc (Zn)lens
polycarbonateUse ambient light
Sunlight: below 11,000 lx; Incandescent lamps: below 3,000 lxUse ambient temperature and humidity.
Store at -25 to 55 °C (but do not freeze), or at -25 to 75 °C, 35 to 85% RH.Withstand voltage
500 V AC (1 minute at 50/60 Hz)Insulation resistance
Above 20 MΩ (500 V DC mega-wire and case, between ground and power supply)
Type name
PU-30
PU-30S
PU-50
PU-50SDetecting objects
30 mm
50 mmDetection distance
Opaque material Ø 2 mm or more
Opaque material Ø 0.4 mm or larger
Opaque material Ø 1.5 mm or larger
Opaque material Ø 0.6 mm or largerpower supply voltage
12 – 24 V DC (± 10%)Consume current
Below 30 mAOutput Action
Select Light On / Dark On based on the reverse power connection.Control output
NPN power output, load voltage: below 30 V DC, load current: below 180 mA (impedant load), residual voltage: below 2 VProtection circuit
Built-in output short-circuit overcurrent protection circuitResponse time
Less than 1 msLight source for projecting light
Infrared LED (modulation mode)Action indicator light
Output display: Red LED; Power display: Green LEDSensitivity adjustment
Fixed
Volume adjusted according to sensitivity
Fixed
Volume adjusted according to sensitivityMaterial
CASE
Zinc (Zn)lens
polycarbonateUse ambient light
Sunlight: below 11,000 lx; Incandescent lamps: below 3,000 lxUse ambient temperature and humidity.
Store at -25 to 55 °C (but do not freeze), or at -25 to 75 °C, 35 to 85% RH.Withstand voltage
500 V AC (1 minute at 50/60 Hz)Insulation resistance
Above 20 MΩ (500 V DC mega-wire and case, between ground and power supply)Engineering Excellence
Professional engineering support with 17 years of experience in automation and electrical components.
Precision Manufacturing
Stable and reliable production of PLCs, I/O modules, relays, terminals, and switches.
Quality Assurance
Quality-first processes ensuring consistent performance and customer trust.
R&D Innovation
Continuous improvement to support automation, new energy, and electrical industries.
Our Certificates
Shenzhen Yulian Technology Co., Ltd. operates with a strong commitment to quality, safety, and environmental responsibility. Supported by modern production facilities and a professional engineering team, we follow standardized management systems to ensure product consistency, reliability, and customer satisfaction.
From manufacturing to final inspection, every process is carefully controlled to meet international standards and long-term performance requirements for automation and electrical components.
Need Reliable Automation & Electrical Component Solutions?
From standard automation products to customized electrical components – we deliver stable performance, consistent quality, and global-grade reliability for industrial and new energy applications.
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