Pressure switch RDK-57
The RDK-57 pressure switch is intended for use in automatic control circuits of an electric drive in order to maintain fresh water, its vapors, oils, air at a given level, as well as in alarm circuits. The relay is used for operation on river and sea vessels at ambient temperatures from 0 to 40C and in conditions of high humidity and vibration (in tropical version from 0 ° to 45 ° C). The extreme limits of measuring the pressure value: 60-1200 kPa RDK-57 technical characteristics When the pressure deviates from the set value, the relay gives a signal or automatically controls the unit's electric drive. Extreme limiting values of pressure RDK-57, kPa-60-1200. Voltage of electrical circuits in which the relay is used, V: AC up to 380; direct current up to 220. Breaking capacity of contacts at inductive load and voltage: 380 V AC, VA-150; 220 and 127 VAC, VA-300; DC 220V, W-30; Weight, kg - 3 Relay RDK-57 is used for work in ship conditions at ambient temperatures from 0 ° to 40 ° С, in tropical version from 0 ° to 45 ° С.
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