[1] These products are used for defrosting in the explosion-proof freezers. [2] Certification of Explosion Protected Electrical Equipment on the basis of TIISiTechnology Institution of Industrial Safety j [3] Zone1 or Zone2 which are defined by TIIS [4] Class:d2G4/d2G3 yProduct specificationz Product Control Box Heater Model DGH-B2 DGH-600-4 DGH-600-3 Maximam Temperature - 85Ž 135Ž Exterior dimension W~D~H [mm] 240~190~380 Heater part=600mm Supply Voltage 1ƒÓ200V 50/60Hz [1] These products are used for defrosting in the explosion-proof freezers. [2] These products are used for heat source in the other explosion-proof products. [3] Certification of Explosion Protected Electrical Equipment on the basis of TIISiTechnology Institution of Industrial Safety j [4] Zone1 or Zone2 which are defined by TIIS [5] Class:Exed ‡UBT4 yProduct specificationz Product Junction Box Heater Model - DEX1313-2 Maximam Temperature - `40Ž `80Ž Exterior dimension W~D~H [mm] 269~269~91 Heater part=600mm Supply Voltage 1ƒÓ200V 50/60Hz Power Consumption [W/h] - 12W/m 28W/m