Inductive proximity switches are used for the monitoring of the presence or metal objects. Depending on the switch mode (normylly open/normally closed), the output closes or opens, when the conductive object approaching the active switching zone.
Operation - is maintenance-free. For a fault free operation it is however necessary to keep the following principles: Surfaces of the active switching zone have to be kept free, clean. It is necessary to prevent sediments and other foreign particles from touching and setting up the active surface of the sensor, especially when mounted in upright position (active surface upwards). High electromagnetic field intensity devices (e.g. radiophone) must not be used in the immediate vicinity of the sensors.
Connection of a switch to an electric circuit - Switch connectionmust meet the high protection standard required and resist the high operation temperatures. The proximity switches specified in this catalogue are delivered with 2 x 0.25 mm2, 3 x 0.25 mm2 or 4 x 0.25 mm2 PVC cable in length of 2 m. This type meets the IP 68 enclosure class. The quick-disconnect version is provided with the connector type complying with the IP 67 enclosure class.
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| Technical parameters | ||
| Design | With cable | With connector |
| Nominal sensing distance Sn | 10 mm | |
| Effective sensing distance Sr | 8 - 12 mm | |
| Case | M30 | |
| Case material | nickel plated brass | |
| Mounting | flush | |
| Hysteresis Sa | (0.01 - 0.15) x Sn | |
| Nominal voltage Un | 24 V DC | |
| Supply voltage Uc | 10 - 30 V DC | |
| Supply current Ic | < 10 mA | |
| Output current Iz | < 200 mA | |
| Ambient temperature range T | -25 °C to 70°C | |
| Ingress protection | IP 68 | IP 67 |
| Connection type | cable PVC 4 x 0,25 mm2; 2 m | connector M12 |
| Switching frequency | ||
| Design | With cable | With connector |
| Normal | 200 Hz | |
| Slow | 50 Hz | |
| Fast | 800 Hz |
| Order reference number | |||
| Output | Switching frequency ft | With cable | With connector |
NPN n.o. &n.c. | normal | PSI 306 315 | PSI 306 415 |
| slow S | PSI 306 315 S | PSI 306 415 S | |
| fast F | PSI 306 315 F | PSI 306 415 F | |
PNP n.o. &n.c. | normal | PSI 306 316 | PSI 306 416 |
| slow S | PSI 306 316 S | PSI 306 416 S | |
| fast F | PSI 306 316 F | PSI 306 416 F |
Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.