PRKL 3B/6.22
Polarized retro-reflective photoelectric sensor
| Series | 3B | 
| Operating principle | Reflection principle | 
| Application | Detection of small parts | 
| Special version | Autocollimation Teach input  | 
                                
| Operating range | 0 ... 2 m (guaranteed operating range) | 
| Operating range limit | 0 ... 3 m (typical operating range) | 
| Beam path | Collimated | 
| Light source | Laser, Red | 
| Wavelength | 655 nm | 
| Laser class | 1, IEC/EN 60825-1:2007 | 
| Mean life expectancy of laser | 50,000 h | 
| Transmitted-signal shape | Pulsed | 
| Light spot size [at sensor distance] | 2 mm [0 mm] | 
| Type of light spot geometry | Round | 
| Protective circuit | Polarity reversal protection Short circuit protected  | 
                                
| Supply voltage UB | 10 ... 30 V, DC | 
| Current consumption, max. | 15 mA | 
| Residual ripple | 0 ... 15 %, From UB | 
| Open-circuit current | 0 ... 15 mA | 
| Number of teach inputs | 1 Piece(s) | 
| Type | Teach input | 
| Function | Sensitivity adjustment | 
| Number of digital switching outputs | 1 Piece(s) | 
| Type | Digital switching output | 
| Switching element | Transistor, Push-pull | 
| Switching principle | Light switching (PNP)/dark switching (NPN) | 
| Switching frequency | 2,000 Hz | 
| Response time | 0.25 ms | 
| Readiness delay | 300 ms | 
| Number of connections | 1 Piece(s) | 
| Function | Signal IN Signal OUT Voltage supply  | 
                                
| Type of connection | Cable | 
| Cable length | 2,000 mm | 
| Sheathing material | PUR | 
| Cable color | Black | 
| Number of conductors | 4 -wire | 
| Wire cross section | 0.2 mm² | 
| Dimension (W x H x L) | 11 mm x 32 mm x 17 mm | 
| Housing material | Plastic | 
| Plastic housing | PC-ABS | 
| Lens cover material | Plastic / PMMA | 
| Net weight | 50 g | 
| Housing color | Red, RAL 3000 | 
| Type of fastening | Through-hole mounting | 
| Type of display | LED | 
| Number of LEDs | 2 Piece(s) | 
| Operational controls | Teach button | 
| Ambient temperature, operation | -40 ... 55 °C | 
| Ambient temperature, storage | -40 ... 70 °C | 
| Degree of protection | IP 67 | 
| Protection class | III | 
| Approvals | c UL US | 
| Standards applied | IEC 60947-5-2 | 
| Customs tariff number | 85365019 | 
| ECLASS 8.0 | 27270902 | 
| ECLASS 9.0 | 27270902 | 
| ETIM 5.0 | EC002717 | 
| ETIM 6.0 | EC002717 |