AED1 series piston pressure switches with normally closed contacts, are used to activate an electrical contact at an adjustable pressure setting.
| Model | AED1 K | AED1 O |
| Operating Pressure range(Mpa) | 5,10,35 | 5,10,35 |
| Drain port pressure(Mpa) | 0.2 | – |
| Switching frequency(Time/min) | To 300 | To 50 Up To100 |
| Installation dimensions | M14X1.5 G1/4 | M14X1.5 G1/4 |
| AED1OA Weight(KGS) | 0.9 | |
| AED1KA Weight(KGS) | 0.8 | |
| Valve body（Material）Surface treatment | Steel Body Surface Black Oxide | |
| Oil cleanliness | NAS1638 class 9 and ISO4406 class 20/18/15 | |
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