1,CQST CERTIFIED
2,IP66
3,the aluminium alloy of special high strength, the intensity was high, shock-resistant

Explosion-proof of plug & socket (Flameproof Enclosure "d") ·CQST Certified--- examined and tested for qualification by China National Quality Supervision and Test Center for Explosion Protected Electric Products (CQST) and obtained the explosion-proof certificate. ·Standard--- GB3836.2-2000 Electrical apparatus for explosive gas atmospheresPart 2:Flameproof enclosure "d" epv IEC60079-1:1900. Main Technical Features:

Explosion-proof Sign	ExdIICT6
Protection Degree	IP66
Ambient Temperature	-20oC~+60oC
Working Voltage	500V AC 50~400 Hz
Working Current	13A
Withstanding Voltage	3000V AC 1 min
Insulation Resistance	500MΩ under normal condition
Contact Resistance	≤1mΩ
Life Duration	1000 times
Both pin and jack could be inserted in plug or socket.

Explosion-proof of flameproof enclosure "d" electrical connector is applying scope hazardous gas areas: Zone 1&2 ; Explosive gas or vapor atmospheres:class IIA,IIB,IIC, temperature class: T1~T6; Hazardous areas with combustible dust; Strong corrosion gas atmosphere; Suitable for the palces of petrochemicals,ship,artesian well on sea and petroleum platform etc; Indoor and outdoor(IP66).The products have the following characteristicsThe part of the connector was processed for the aluminium alloy of special high strength, the intensity was high, shock-resistant Able to bear oil and most acid, alkali environment.