 | |  | |
| PartNumber | MK21M-1A66C-500W | MK21M-1A66B-500W | MK21M-1C90B-500W |
| Description | Proximity Sensors 180V 0.5A 38-70AT 500M | Proximity Sensors REED SENSOR 1 FORM A SPST-NO, HIGH TEMP | Proximity Sensors Form C - Changeover 175V, 0.5A, 44-59AT |
| Manufacturer | Standex Electronics | Standex Electronics | MEDER electronic (Standex) |
| Product Category | Proximity Sensors | Proximity Sensors | Proximity Sensors |
| RoHS | Y | Y | Details |
| Sensing Method | Magnetic | Magnetic | Magnetic |
| Mounting Style | Screw | Through Hole | - |
| Maximum Operating Temperature | + 150 C | + 85 C | - |
| Packaging | Bulk | Bulk | - |
| Series | MK21 | MK21 | - |
| Brand | MEDER electronic (Standex) | MEDER electronic (Standex) | MEDER electronic (Standex) |
| Operating Supply Current | 500 mA | 500 mA | - |
| Operating Supply Voltage | 200 V | 200 V | - |
| Factory Pack Quantity | 50 | 25 | - |
| Part # Aliases | 9213100054 | 9212100054 | 9212901054 |
| Minimum Operating Temperature | - | - 20 C | - |
| Unit Weight | - | 0.340041 oz | - |