a我国政府许诺将它办成最好的 Our country Government promises it completes well[translate] a- Electrical classification: TEFC Enclosure for MOTOR; Class 1, Div 2 Group B - 电子分类: TEFC封入物为马达; 类1, Div 2小组B[translate]
I have a request to upgrade a standard controls enclosure to satisfy class 1 - Div 1 (actually it is for a project in India and their request is Gas Group IIA/B, Zone 1, T4, I interpret this to be class 1 - Div 1) In the past, we have used enclosures with a purge (z-purge...
The version with 4 outputs is applied indistributed or small installations. Aside from intrinsic safety (Ex ia for Zone 0, Div. 1) at the output, it also providesshort-circuit protection. It protects operations from hard short-circuits at the output of the FieldBarrier or the connected instru...