23 Year Industrial Explosion-Proof Manufacturer

Explosion-Proof Level DII BT4 and DII CT4

The IIC classification exceeds the IIB classification and serves as a reference for designing electrical equipment in explosive environments.

Condition CategoryGas ClassificationRepresentative gasesMinimum Ignition Spark Energy
Under The MineIMethane0.280mJ
Factories Outside The MineIIAPropane0.180mJ
IIBEthylene0.060mJ
IICHydrogen0.019mJ

All devices fall under the T4 temperature classification, where the maximum allowable surface temperature is capped at 135°C.

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