HOMETECH☰
Photos 1 Main technical parameters 2 How the thermostat works 
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The explosion-proof temperature controller is manufactured in accordance with the relevant provisions of GB3836-2000 "Explosion-proof electrical equipment for explosive atmospheres" and the explosion-proof brand "Ex nA nCII.C T6 Gc", the products are divided into two types: terrestrial and marine, and are suitable for automatic temperature control of the middle process of the pipeline or tank at the temperature level of the mixture of explosive gases T3-T6 in zone 2.
| Name | Model | Nominal voltage | Current classification | Hoarding temperature control fans | Temperature Control Accuracy | On-off differential | Explosion-proof certificate of conformity |
| Temperature Controller | BJW51 | 220 V/380 V | 15A | 10-150°C | ‡2.5°C | ≤4°C | CNEx16.1256X |
The thermostat is mainly composed of a center box 1, a junction box 2, a box base 3, a temperature control element and a temperature measuring capillary 4, a temperature regulating box 5 and a plastic sealing material. The central box is equipped with a temperature control element. The adjustment shaft of the temperature control element and the temperature measuring capillary are equipped with a flame-retardant structure and a rubber seal structure for the input and output lines of the control cable.
When the temperature of the controlled medium in contact with the thermostat temperature increases, the wavebody in the temperature package expands by heating, and when the controlled medium exceeds the set temperature, the T1 and T2 contacts are disconnected, so the power supply is automatically cut off and the heat tracing stops. At this time, the temperature of the thermoreceptor slowly decreases; When the temperature is below the set temperature, the T1 and T2 contacts are closed again and power transmission is automatically resumed.
