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Emergency Brake Switch

NBS 550 

 

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

TypeNBS 550
Rated insulation voltageDC 110 V +25/-30%
Ambient temperature-25° C ... +70° C
Protection typeIP 00
Unlocking¹Square bolt / closing cylinder
Contacts2 NO 2 NC
Thermal current10 A
Rated switching capacity (24 V/110 V)²8 A / 0,4 A
ConnectionFaston 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

Contact person

Our sales team is happy to answer any questions.

Our sales team is happy to answer any questions.

+49 211 74 97 - 0
info.KDUknorr-bremse.com

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