Qhov kev faib tawm ntawm IIB tawg-pov thawj inherently tshaj IIA, thiab chav kawm kub T4 muab qhov kub thiab txias dua li T1. Yog li, BT4 muaj qhov ua tau zoo tshaj plaws ntawm kev tawg-pov thawj.
III | C | T 135 ℃ | Db | IP65 |
---|---|---|---|---|
III Nto plua plav | T1450 ℃ | Ma | IP65 | |
T2 300 ℃ | Mb | |||
T3 200 ℃ | ||||
A Flammable ya flocs | Thiab | |||
T4 135 ℃ | ||||
Db | ||||
B Tsis siv neeg plua plav | T2 100 ℃ | Dc | ||
C Conductive plua plav | T6 85 ℃ |
Txhua chav kawm tawg-pov thawj lub hom phiaj kev nyab xeeb tshwj xeeb. Cov ncauj lus kom ntxaws tuaj yeem nrhiav tau los ntawm kev tshawb fawb ntawm Shenhai Explosion Proof.