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About Proximity Sensors
Compare sensing types, mounting styles, wiring options, and input and output requirements to choose the right proximity sensor for your application.
DC Metallic-Object Proximity Sensors for Robotic Welding
Round
Sensors | Cables with Sockets | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switch Starting Position | Dia., mm | Max. Sensing Distance, mm | Signal Output | Input Voltage | Current Output | Lg., mm | Circuit Protection | Temp. Range, ° F | Enclosure Rating | Each | Each | ||||
PTFE-Coated Stainless Steel Housing | |||||||||||||||
Flush with 4-Pole M12 Connection | |||||||||||||||
| 1 Off | 8 | 2 | PNP | 10V DC to 30V DC | 220 mA | 70 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N11 | 0000000 | 6897K36 | 000000 | ||
| 1 Off | 8 | 2 | NPN | 10V DC to 30V DC | 220 mA | 70 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N14 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 12 | 4 | PNP | 10V DC to 30V DC | 220 mA | 68 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N12 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 12 | 4 | NPN | 10V DC to 30V DC | 220 mA | 68 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N15 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 18 | 8 | PNP | 10V DC to 30V DC | 220 mA | 81 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N13 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 18 | 8 | NPN | 10V DC to 30V DC | 220 mA | 81 | Reverse Polarity Short Circuit | -10 to 245 | IP67 | 7421N16 | 000000 | 6897K36 | 00000 | ||
Projecting with 4-Pole M12 Connection | |||||||||||||||
| 1 Off | 8 | 4 | PNP | 10V DC to 30V DC | 220 mA | 70 | Reverse Polarity Short Circuit | -10 to 155 | IP68 | 7421N17 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 8 | 4 | NPN | 10V DC to 30V DC | 220 mA | 70 | Reverse Polarity Short Circuit | -10 to 155 | IP68 | 7421N21 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 12 | 8 | PNP | 10V DC to 30V DC | 220 mA | 68 | Reverse Polarity Short Circuit | -10 to 155 | IP68 | 7421N18 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 12 | 8 | NPN | 10V DC to 30V DC | 220 mA | 68 | Reverse Polarity Short Circuit | -10 to 210 | IP68 | 7421N22 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 18 | 16 | PNP | 10V DC to 30V DC | 220 mA | 79 | Reverse Polarity Short Circuit | -10 to 210 | IP68 | 7421N19 | 000000 | 6897K36 | 00000 | ||
| 1 Off | 18 | 16 | NPN | 10V DC to 30V DC | 220 mA | 79 | Reverse Polarity Short Circuit | -10 to 210 | IP68 | 7421N23 | 000000 | 6897K36 | 00000 | ||
Flat
Sensors | Cables with Sockets | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switch Starting Position | Max. Sensing Distance, mm | Signal Output | Input Voltage | Current Output | Lg., mm | Wd., mm | Ht., mm | Circuit Protection | Cable Lead Lg. | Cable Outer Jacket Material | Temp. Range, ° F | Enclosure Rating | Each | Each | ||||
Ceramic-Coated Stainless Steel Housing | ||||||||||||||||||
Flush with 4-Pole M12 Connection | ||||||||||||||||||
| 1 Off | 7 | PNP | 10V DC to 30V DC | 220 mA | 32 | 20 | 8 | Reverse Polarity Short Circuit | 8" | Polyurethane Rubber | -10 to 185 | IP68 | 7421N24 | 0000000 | 6897K36 | 000000 | ||
| 1 Off | 7 | PNP | 10V DC to 30V DC | 220 mA | 32 | 20 | 8 | Reverse Polarity Short Circuit | 8" | PTFE | -10 to 185 | IP68 | 7421N25 | 000000 | 6897K36 | 00000 | ||

























