Description
Emergency brake switches of type NBS 550 meet the high requirements of applicable railway specifications. Passengers and train crew members can use emergency brake switches of type NBS 550 to trigger the emergency brake or an emergency stop. After the activation handle is pulled, the emergency brake switch NBS 550 is locked. The unlocking can be carried out via a socket wrench¹ or safety key¹ depending on the model.
For this model, inscription is only possible via separate labelling¹ close to the visible handle.
¹ Not included in delivery
Technical Data
| Type | NBS 550 |
|---|---|
| Rated insulation voltage | DC 110 V +25/-30% |
| Ambient temperature | -25° C ... +70° C |
| Protection type | IP 00 |
| Unlocking¹ | Square bolt / closing cylinder |
| Contacts | 2 NO 2 NC |
| Thermal current | 10 A |
| Rated switching capacity (24 V/110 V)² | 8 A / 0,4 A |
| Connection | Faston plug 6.3 mm |
| Weight approx. | 1.3 kg |
| Colour¹ (housing / handle) | NCS 4005 R 80 B (grey) / RAL 0204050 (red) |
| Operating force approx. | 80 N (without lead sealing) |
| Actuating height approx. | 10 mm |
¹ To be specified when ordering
² Inductive load
