RKU 420/2NC.2-S8
Ultrasonic retro-reflective photoelectric sensor
| Series | 420 |
| Operating principle | Reflection principle |
| Operating range | 0 ... 0.4 m |
| Operating range | Guaranteed operating range |
| Ultrasonic frequency | 290 kHz |
| Shape of sound lobe | standard |
| Direction of beam | Front |
| Protective circuit | Overvoltage protection Polarity reversal protection Short circuit protected |
| Supply voltage UB | 12 ... 30 V, DC |
| Residual ripple | From UB |
| Number of teach inputs | 1 Piece(s) |
| Number of digital switching outputs | 1 Piece(s) |
| Switching voltage | high: ≥(UB-2V) low: ≤ 2 V |
| Switching element | Transistor, NPN |
| Switching principle | NC (normally closed) |
| Switching frequency | 20 Hz |
| Response time | 25 ms |
| Readiness delay | 200 ms |
| Function | Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| Thread size | M8 |
| Material | Plastic |
| No. of pins | 4 -pin |
| Design | Cubic |
| Dimension (W x H x L) | 20 mm x 42 mm x 15 mm |
| Housing material | Plastic |
| Plastic housing | PE |
| Net weight | 10 g |
| Type of fastening | Through-hole mounting |
| Type of display | LED |
| Number of LEDs | 1 Piece(s) |
| Operational controls | Teach button |
| Ambient temperature, operation | -10 ... 60 °C |
| Ambient temperature, storage | -40 ... 85 °C |
| Degree of protection | IP 67 |
| Protection class | III |
| Approvals | c UL US |
| Standards applied | IEC/EN 60947-5-2 |
| Customs tariff number | 85365019 |
| ECLASS 5.1.4 | 27272802 |
| ECLASS 8.0 | 27272802 |
| ECLASS 9.0 | 27272802 |
| ECLASS 10.0 | 27272802 |
| ECLASS 11.0 | 27272802 |
| ECLASS 12.0 | 27272802 |
| ECLASS 13.0 | 27272802 |
| ECLASS 14.0 | 27272802 |
| ECLASS 15.0 | 27272802 |
| ETIM 5.0 | EC001848 |
| ETIM 6.0 | EC001848 |
| ETIM 7.0 | EC001848 |
| ETIM 8.0 | EC001848 |
| ETIM 9.0 | EC001848 |
| ETIM 10.0 | EC001848 |