CAR GROUND FAULT INDICATOR

摘要

FIELD: railway transport. SUBSTANCE: device has two signalling circuits series connected to poles of circuit under checking. Each signalling circuit has light indicator and resistor. Common point of signalling circuits is connected with railway car body. Voltage stabilizing diode is connected additionally into each signalling circuit. EFFECT: enlarged functional capabilities of device, enhanced reliability of signalling. 3 cl, 2 dwgi