Nyob rau hauv cov realm ntawm explosion-proof hluav taws xob daim ntawv pov thawj, qhov “T” qeb, where T1 signifies that the device’s maximum surface temperature remains below 450°C.
III | C | T 135°C | Db | IP65 |
---|---|---|---|---|
III plua plav | T1 450°C | Ma Ma | IP65 | |
T2 300°C | Mb | |||
T3 200°C | ||||
A Flammable ya flocs | da dej | |||
T4 135°C | ||||
Db | ||||
B Tsis muaj plua plav | T2 100°C | Dc | ||
C Tsim kom muaj plua plav | T6 85°C |
Predominantly, tawg-prof hluav taws xob khoom yog txwv kom muab zais rau hauv pawg T4, T5, thiab T6. T3 classifications tshwm sim, tiam sis kuj tsis tshua muaj.