Neutral, two-position, single-stable, multi-contact unified relay of direct and alternating current type MKU-48 is designed to control supply and signal circuits in stationary automation, mechanics, and communication equipment, that is, the relay is used as an intermediate relay.
Relays of the MKY series are designed to operate in DC and AC circuits with voltage up to 220 V. The relay winding withstands 110% Unom for a long time. At direct current, the maximum breaking current with a non-inductive load and a voltage of 220 V is 1 A, at 110 V – 5 A. The maximum breaking current with an inductive load and a voltage of 220 V is 0.5 A, at 110 V – 4 A. On alternating current, the maximum breaking current at a voltage of 220 V is 5 A, at 110 V – 10 A.
The breaking power of contacts in a DC circuit at a voltage of up to 220 A with an inductive load without spark suppression will be 50 W, in an AC circuit at a voltage of up to 220 V – 500 VA.
The long-term permissible current through closed contacts, both AC and DC, is 3 A.
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