Explosion Proof Threading Box

Applicable Scope
1. Aluminium alloy die-casting shell, after high-speed shot peening, the surface is subject to high-voltage
electrostatic spraying;
2. It is applicable to the places in Zone 1 and Zone 2 of explosive gas environment;
3. It is applicable to the places in Zone 21 and 22 of combustible dust environment;
4. Suitable for IIA, IIB and IIC explosive gas environment;
5. Applicable to T1-T6 temperature group;
6. It is applicable to dangerous environments such as oil exploitation, oil refining, chemical industry, gas
station, offshore oil platforms, oil tankers, metal processing, etc. as the connection and turning direction
change of steel pipe wiring.
Features

Explosion-proof Transfer Switch BHZ51
Applicable Environment:
Applicable to Zone 1 and Zone 2 hazardous locations
Applicable to IIA, IIB, IIC explosive gas environments
Temperature group: T1-T6
Indoor, outdoor
Features
The shell is made of ZL102 aluminium alloy die-casting or steel plate welding, and the surface is
high-voltage electrostatic sprayed;
Voltage 220V-380V, current 10-63A. It is used as a power supply introduction switch in the electrical
circuit and can control the start, stop, speed change, and steering of the motor
Steel pipe or cable wiring is acceptable
Technical Parameters

Explosion proof Mark Ex db IIC Gb/ Ex eb IIC Gb / Ex tb IIIC T80°C Db
Thread specifications “G1/2-G4”、“NPT1/2-NPT4”、“M20-M110” Various sizes of threads

for users to choose from

Protection level IP66

1. Aluminium alloy die-casting shell, after high-speed
shot peening, the surface is subject to high-voltage
electrostatic spraying;

2. Exposed stainless steel fasteners with high anti-corrosion performance;

3. There are many ways and specifications for the inlet
and outlet.