AUTOMATIC CIRCUIT BREAKER Russian patent published in 2011 - IPC B61L5/06 

FIELD: transport.

SUBSTANCE: invention relates to automatic circuit breakers incorporates with railway automatic control and telemetry systems. Automatic circuit breaker comprises base, platform arranged on said base to support detachable left and right plates and additional swinging link. Said link is coupled with "yoke-roller" drive link to accommodate movable contacts made up of separable detachable elements. Said left and right plates accommodate contact elements. Movable contacts represent bridges with two contact elements locked by flexible spring. Every contact element has its inner face side resting on flexible plate and its outer side thrusting against plate spring stop arranged on movable link RH and LF sides. Detachable LH and RH plates are locked on screws by nuts check-nuts. Contact elements on said plates are secured by nuts or welded thereto. Contacts elements on movable and fixed blocks are made from composite cermet material.

EFFECT: higher safety of railway traffic, device longer life.

4 cl, 4 dwg