| PartNumber | MK03-1A66D-500W | MK03-1A66C-500W | MK03-1B90C-500W |
| Description | Proximity Sensors Reed Sensor 1 Form A SPST-NO Cyld WT | Proximity Sensors 1 Form A Cylindrical Term. | Proximity Sensors 1 Form B Cylindrical Term. |
| Manufacturer | Standex Electronics | Standex Electronics | Standex Electronics |
| Product Category | Proximity Sensors | Proximity Sensors | Proximity Sensors |
| RoHS | Y | Y | Y |
| Sensing Method | Magnetic | Magnetic | Magnetic |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Minimum Operating Temperature | - 20 C | - 20 C | - 5 C |
| Packaging | Bulk | Bulk | Bulk |
| Series | MK03 | MK03 | MK03 |
| Brand | MEDER electronic (Standex) | MEDER electronic (Standex) | MEDER electronic (Standex) |
| Operating Supply Current | 500 mA | 500 mA | 500 mA |
| Operating Supply Voltage | 180 V | 200 V | 200 V |
| Factory Pack Quantity | 500 | 500 | 400 |
| Part # Aliases | 2234711054 | 2233711054 | 2233902054 |
| Sensing Distance | - | 25 mm | 25 mm |
| Mounting Style | - | Axial | Axial |
| Height | - | 5.75 mm | 5.75 mm |
| Length | - | 25.5 mm | 25.5 mm |
| Width | - | 5.75 mm | 5.75 mm |