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| Price | Negotiable |
| MOQ | 1Unit |
| Delivery Time | 15 Days after advance payment |
| Brand | TW-TECHWAY |
| Place of Origin | China |
| Certification | CCC,CE |
| Model Number | SAJ50-2.0 |
| Packaging Details | Paper Box in Container |
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 Units Per Month |
| Trigger speed | 2.0m/s | Place of Origin | China |
| Packaging Details | Paper Box in Container | Model Number | SAJ50-2.0 |
| Supply Ability | 1000 Units Per Month | Certification | CCC,CE |
| Expire Date | 5years | Brand Name | TW-TECHWAY |
| Payment Terms | L/C, T/T | Price | Negotiable |
| Delivery Time | 15 Days after advance payment | Minimum Order Quantity | 1Unit |
| Max. Brake Load | 50 kN |
Building Hoist Parts SAJ Anti Drop Device 50kN for High Speed Building Hoist/Construction Elevator
Safety Device for Buidling Hoist/Conctruction Elevator
SAJ safety device is compulsory part on the building hoist/construction in China. When the building hoist/construction elevator descends over the rated speed, the micro-switch inside the safety device will be activated to cut off the power of the building hoist/construction elevator. Together with the brake of the motors, the safety device's pinion stops the cart of building hoist/construction elevator's cart onto the mast section gradually, which is very critical to the safety system of the building hoist.
The life span of the SAJ series safety device is five (5) years, and it has to be tested every six (6) months after the first test during the installation of building hoist/construction elevator.
Specifications
| Model | Trigger speed | Max. Brake Load | Expire Date |
| SAJ30-1.2 | 1.2m/s | 30 kN | 5years |
| SAJ30-1.4 | 1.4m/s | 30 kN | 5years |
| SAJ40-1.2 | 1.2m/s | 40 kN | 5years |
| SAJ40-1.4 | 1.4m/s | 40 kN | 5years |
| SAJ40-2.0 | 2.0m/s | 40 kN | 5years |
| SAJ50-1.4 | 1.4m/s | 50kN | 5years |
| SAJ50-2.0 | 2.0m/s | 50kN | 5years |
| SAJ60-2.0 | 1.4m/s | 60kN | 5years |
| SAJ65-2.0 | 2.0m/s | 65kN | 5years |
