Explosion-proof switching box Spektron-KKV-Exi is designed for connection and branching of intrinsically safe electrical circuits of general and special purpose in all types of explosive zones of open and closed objects.
Junction boxes can be installed in explosive areas of premises and outdoor installations according to the classification of chapter 7.3. PUE (sixth edition), GOST 30852.9, GOST 30852.13 and other directive documents regulating the use of equipment in hazardous areas.
Switch boxes are used in power supply systems, security and fire alarm systems, industrial automation, engineering systems management, communications and telematics.
The environment may contain explosive mixtures of gases and vapors with air of categories IIA, IIB and IIC.
The model range of explosion-proof switching boxes Spektron-KKV-Exi includes execution options:
Spectron-KKV-Exi-P-transit - two cable glands on opposite sides of the box;
Spectron-KKV-Exi-U-angular - two cable glands on adjacent sides of the box;
Spectron-KKV-Exi-T-tee - three cable glands;
Spectron-KKV-Exi-K-cross - four cable glands.
Explosion protection marking 0Ex ia IIC T6...T5 Ga X / Ex ia IIIC T85°C...T100°C Da X
Cable glands included
Operating temperature range from -65 to +100 °С
The degree of protection by the shell according to GOST 14254
Type of explosion protection
The warranty period of operation is 18 months from the date of commissioning, but not more than 24 months from the date of release by the manufacturer.
Explosion-proof switching boxes are included in the nomenclature reference book of materials and equipment of OAO Gazprom