For explosion-proof standards, for China, "ExdIIBT4Gbx" is used, but what does bx at the end mean ?
(Explosion-proof Motor)
About explosion proof display
"Gb" is the protection level of the device. (Where can I use it → Zone 1, Zone 2)
※ Gb: Equipment with "high" explosion-proof level corresponding to explosive atmosphere, does not become an ignition source during normal operation or even when an expected failure occurs.
As for "X", it is a condition of use. (With cable gland installation condition)
→ It is a condition to fix the cable near the cable gland so that the cable is not pulled and the load is not applied to the cable gland.
※ This condition is attached by giving priority to the world's smallest and using a robot cable.
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