Busbar disconnector

Busbar disconnector

A faulty complete system is immediately disconnected from the intact system by the busbar disconnector.

The task of the waterproof busbar disconnector is to disconnect the AC connection line between the traction units. The disconnectors are operated manually, pneumatically or electrically.

Busbar disconnector
Roof line disconnector RM 597
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Technical data


Nominal voltage15kV / 25kV AC; 3kV DC
Current1.4 kA
Periodic maximum voltage30kV rms
Switching cycle durationca. 3s
Shock resistance3g


Lifespan400'000 circuits
Reliability MTBF2,8 x 10 Mio. Hours
Power unitpneumatic or electric
Control voltage24V/36V/110V
Actuating pressure4 bis 10 bar
Air consumption per switching cyclemax. 2,5l
Weightca. 88 kg

Environment & safety

Ambient temperature-35°C to +70°C
Shock and vibration resistanceto IEC 61373
IsolationCreepage distance / stroke distance according to EN50124-1
Fire protectionFire protection level 2 (DIN 5510)

Installation location

•    In the roof
•    On the roof

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Related references

Busbar disconnector
Busbar disconnector
Busbar disconnector

Options Highlights


The roof line isolators can withstand high inrush current (load current).

Contact system

Sensationally reliable and performance-optimised contact system, for safe switching. The electrical connection to the vehicle is made with highly flexible copper strands or busbars.

Contact Person

Christoph Odermatt
Christoph Odermatt
Head of Sales