Features:

1. The cast aluminum alloy shell is surface-sprayed, with good anti-corrosion ability. The shell has a compact and reasonable structure, with high material density and good strength. Anti-rust oil is applied on the flameproof joint surface, and the fastening pipe fittings are made of stainless steel bolts.

2. It can be equipped with indicator lights, ammeters, voltmeters, buttons, changeover switches, and other components required by users (such as potentiometers, frequency meters, tachometers, etc.).

3. The changeover switch has multiple functions that can be freely selected by the user, and some products can also be custom-made according to requirements.

4. The ranges of ammeters and voltmeters are specified by the user.

5. Both steel pipe and cable wiring are available.

Technical parameter examples (may vary for different products):

1. Explosion-proof mark: ExedIIBT4/T5/T6, ExedIICT4/T5/T6, DIP A20 TA, T4/T5/T6, etc.

2. Rated voltage: AC380V/220V/50HZ.

3. Protection level: IP54, IP55 (or IP65).

4. Anti-corrosion level: WF1.

5. Thread specification: DN20 /G3/4.

Application scope:

1. Applicable to explosive gas environment Zone 1 and Zone 2.

2. Applicable to combustible dust environment Zone 20, Zone 21, and Zone 22.

3. Applicable to Class IIA, IIB, and IIC explosive gas environments.

4. Applicable to environments with temperature groups T1 - T6.

5. Widely used in explosive hazardous environments such as petroleum extraction, storage, chemical industry, medicine, textile, printing and dyeing, military industry, and military facilities.

Working conditions:

1. The altitude generally does not exceed 2000m.

2. The maximum ambient air temperature does not exceed +40°C, and the minimum does not fall below -20°C.

3. The relative air humidity is not more than 90% (+25°C).

4. The maximum rainfall intensity is 50mm/10min.

5. The maximum radiation intensity is 1.4cal/cm².min.

Installation and maintenance precautions:

1. Cut off the front-stage power supply before installation and maintenance.

2. The incoming and outgoing cables pass through the rubber sealing ring and are compressed with washers and installation pipes to ensure the sealing and that the cables are not loose.

3. The control column should be inspected regularly during use to ensure its good operation.

4. Non-professionals are strictly prohibited from opening the cover for installation and maintenance.

When ordering an explosion-proof control column, the complete model, name, specification, and order quantity of the product should be indicated. For example: BZC51-10G WF1 explosion-proof operation column, 2 buttons and 2 lights, outdoor medium anti-corrosion, 50 units.