PR12 Otto Type Proximity Switch
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Explanation of The Meaning Of Proximity Switch Model

A proximity switch is a position sensor that can detect the presence of obiects without direct contact, it is widely used in various industrial automation and control systems for control the movement of mechanical equipment, monitoring the position of items on the production line, counting, etc, Proximity switches can provide fast and reliable detection functions, and as they do not require physical contact, they can reduce wear and tear damage, extend service life. Proximity switches can be mainly divided into the following categories based on their working principles:

1. inductive proximity switch: detects obiects by utilizing their influence on the electromagnetic field. When a metal object approaches, it will change the electromagnetic field around the switch, triggering the switch action, This type of proximity switches are commonly used to detect metal obiects.

2. Capacitive proximity switch: achieves detection by detecting the influence of objects on the electric field. when an object approaches, it will change the capacitance between the two plates of the capacitor, triggering the switch. Capacitive approach the switch can be used to detect both metallic and non-metallic objects.

3. Hall type proximity switch: a device that identifies objects approaching by detecting changes in magnetic fields. When a magnetic object approaches a sensor, it changes the magnetic field around the sensor. Due to the changes in the magnetic field. A voltage diference is generated on both sides of the hall sensor, and the Hall voltage is converted into an electronic signal. This type of proximity switch is usually used to detect magnetic objects.

 

Model PR12
Dimension
Sense distance 2mm±10%
Flush type DC10~30VDC NPN NO PR12-2DN
NC PR12-2DNB
NO+NC PR12-2DN3
PNP NO PR12-2DP
NC PR12-2DPB
NO+NC PR12-2DP3
Two-wire system NO PR12-2DO
NC PR12-2DC
AC90~250VAC NO PR12-2OA
NC PR12-2OC
NO+NC PR12-2OC3
Sense distance 4mm±10%
Non-flush type DC10~30VDC NPN NO PR12-4DN
NC PR12-4DNB
NO+NC PR12-4DN3
PNP NO PR12-4DP
NC PR12-4DPB
NO+NC PR12-4DP3
Two-wire system NO PR12-4DO
NC PR12-4DC
AC90~250VAC NO PR12-4OA
NC PR12-4OC
NO+NC PR12-4OC3
Output current DC 200mA
AC 300mA
Output voltage peak DC type below 3V、Two wire type below 3.9V、 AC below l0V DC<3V, AC<10V
Consumption current DC type 8mA at 12V, 15mA at 24V, AC below 10mA DC<15mA, AC<10mA
Standard detected object 18×18×1 (A3 iron)
Repeatability 0.02
Response frequency 200Hz/25Hz
Ambient temperature -30℃-+85℃
Insulation resistance 50MΩ
Shell material Metal
Protection grade IP67
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