QQ1 Series Stainless Steel Explosion Proof Magnetic Starter

QQ1 Series Stainless Steel Explosion Proof Magnetic Starter

Technical Specifications

Rated Voltage
220V/380V
IP Rating
IP66
Ex Marking
Ex de IIB T6 Gb, Ex de IIC T6 Gb / Ex tD A21 IP66 T80℃
Temperature class
T1-T6
Housing Material
Stainless Steel
Wiring
Steel conduit or cable wiring
Internal Component
AC contactors, thermal relays, automatic universal reset switches, high-breaking capacity MCB, etc.
Application
● Suitable for hazardous locations with explosive gas atmospheres in Zone 1 and Zone 2. ● Suitable for explosive gas environments of Group IIA, IIB and IIC.
Features
● The enclosure is manufactured by stainless steel welding or spinning forming process, with fewer cavity weld seams, providing excellent aging resistance, impact resistance and corrosion resistance. ● The sealing gasket is made of silicone rubber with a continuous seamless structure, ensuring strong adhesion, excellent aging resistance and reliable sealing performance. ● Designed for direct starting and stopping control of AC 50Hz, 380V three-phase asynchronous motors. ● Provides overload, phase-loss and undervoltage protection functions, with a maximum rated current up to 63A.