FIELD: rail vehicles.
SUBSTANCE: invention relates to the railway transport. Butt strap for contact rail contains copper insert, which is used as electric connector and is placed between rail and strap in fish pass. Sinus is created by milling from the lining inner side. Cover plate on outer side is complemented by copper strip to withstand long-term current on subway contact rail.
EFFECT: providing passage of maximum allowable current of traction network of underground.
1 cl, 1 dwg
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