The connectors are designed for quick connection and disconnection of cable network sections, various electrical units, installations and machines between themselves and power sources in ground stationary and mobile electrical installations with voltage up to 440 V DC and AC with frequency up to 60 Hz. In this case:- stationary explosion-proof connectors (panel plugs GDP and sockets VRP, cable explosion-protected connectors (portable) VVK plugs and VRK sockets must have the explosion protection level "explosion-proof electrical equipment" - (1) with the type of explosion protection "protection type "e" according to GOST R IEC 60079-7-2012 and have the explosion protection marking 1Ex e IIC T4(5,6) Gb X, Ex tb IIIC T80ST95C Db, Ex tb IIIC T130C Db .The connectors are designed for operation in hazardous areas 1 and 2 of subgroups IIA, IIB, IIC . Rated currents of connectors should be 16, 25, 32, 40, 63, 160, 250, 400 A.
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