FIELD: railway transport. SUBSTANCE: device has signal part with bell, signal lamp and number of switching elements, and check part with check relay, selector switch, ammeter, number of switching elements and potentiometer and also two circuits consisting of four series connected fusible sensors with control resistor connected in parallel with each fusible sensor. EFFECT: increased safety of railway passenger cars owing to increased information content of device by location of defective axle box. 1 dwg
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