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Choosing a Proximity Switch
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Ultrasonic Switches
High-frequency sound waves detect objects of all shapes and sizes—even when obscured by smoke, dust, and other debris. These switches are rated NEMA 6 and IP67 for protection from washdowns and temporary submersion.
Switches with PNP/NPN signal output automatically produce the type of signal output that is needed based on the device they are connected to.
For technical drawings and 3-D models, click on a part number.
| Signal Output | Signal Output Type | Sensing Distance | Input Voltage | Dia. | Lg. | Circuit Protection | Temperature Range, °F | Each | |
With 4-Pole Micro M12 Plug | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Analog | |||||||||
| 4mA-20mA | __ | 4"-39" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 0000000 |
| 4mA-20mA | __ | 8"-79" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| 4mA-20mA | __ | 12"-118" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| 0V DC-10V DC | __ | 4"-39" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| 0V DC-10V DC | __ | 8"-79" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| 0V DC-10V DC | __ | 12"-118" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
Digital | |||||||||
| __ | PNP/NPN | 4"-39" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| __ | PNP/NPN | 8"-79" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
| __ | PNP/NPN | 12"-118" | 10V DC-30V DC | 1 9/16 " | 1 3/4 " | Overload Reverse Polarity Short Circuit | -40° to 155° | 0000000 | 000000 |
Ultrasonic Noncontact Level Switches for Chemicals
Use high-frequency sound waves to detect chemical level. This switch has three relays that can be programmed for multiple set points. Use it to activate several alarms or to automate tank filling and emptying. It’s rated NEMA 4X for protection from corrosion and washdowns.
For technical drawings and 3-D models, click on a part number.
Pipe | Conduit | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Thread Type | Gender | Sensing Distance, ft. | Max. Pressure | Temp. Range, °F | Switch Starting Position | Industry Designation | Current | Lg. | Wd. | Electrical Connection | Trade Size | Thread Type | Gender | Each | |
95V AC/250V AC Input Voltage | ||||||||||||||||
Polycarbonate Plastic Body | ||||||||||||||||
| 1 | NPT | Male | 0.33-9.8 | 30 psi @ 70° F | -5° to 140° | 1 Off (Normally Open) or 1 On (Normally Closed) | SPDT | 0.5 A @ 120 V AC | 3 15/16" | 5 3/16" | Screw Terminals | 1/2 | NPT | Female | 0000000 | 0000000 |