PK series two-grade switch use for check belt deviate of belt conveyor, It is a kind of protect device of auto-alarm and stop.
The switch have two-grade action function, one grade action use for auto-alarm, two-grade action use for auto stop. The product inside use single cam, move way drive switck action. It have function of waterproof, dustproof, antiseptic so may use outdoor adverse circumstances.
| model | trigger capacity | trigger quantity | stand ro11er action angIe | constructive form | weight | |||
|---|---|---|---|---|---|---|---|---|
| normal open circuit | normal close | one-grade | two-grade | limit angle | ||||
| PK12-30 | ≤380V ≤2A | 2 | 2 | 12° | 30° | 75° | stand roller auto-reduce | 3.63 kg |
| PK20-35 | ≤380V ≤2A | 2 | 2 | 20° | 35° | 75° | ||
| PK10-45 | ≤380V ≤2A | 2 | 2 | 10° | 45° | 75° | ||
