Boxes are designed for connection or status indication of AC/DC circuits of commercial frequency in explosive zones. PKV MK series boxes are manufactured by casting. V2, G2, D2, Е2 type boxes differ in size. Boxes can be used in Class 1 and 2 explosion-hazard zones as per GOST IEC 60079-10-1-20111 and have explosion protection marking «1Ex d IIC T6 Gb». Climatic rating UHL2. On request, the boxes can be equipped with a visor or canopy.
Type and number of control and indication components is specified in the order. The boxes can have sign plates with explanatory inscriptions in Russian and foreign languages: «Start», «Stop» etc. The boxes are designed to accommodate armoured and non-armoured electrical cables of round cross-section, as well as cables in metal hose or pipe. At customer's request, a viewing window of polycarbonate can be installed on the front panel.
|Marking of explosion protection||1Ex d IIB TC Gb|
|Operating temperature range||-60 .. +60°С|
|Dimensions without cable glands and external components||Internal space on the panel||Mounting dimensions||housing weight, max.|
|PKV MK -type V2||290х250х172mm||200х150х123mm||160х245mm||14kg.|
|PKV MK -type G2||421х322х248mm||313х223х198mm||300х294mm||23kg|
|PKV MK -type D2||568х368х257mm||442х270х205mm||360х343mm||45kg|
|PKV MK -type Е2||670х470х362mm||545х350х298mm||500х437mm||65kg|
|Enclosure material||Aluminium alloy|
|Maximum contact current||10A|
|Minimum contact current||0,05А|
|Type of load||Active / Inductive|
|Electrical wear resistance, VO cycles, no less than|
|Mechanical durability, VO cycles, not less than|
|Rated voltage of indicator lamps||24VDC, 220VAC|