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LBZ51 Explosion Proof Operation Post


Explosive gas atmosphere Zone 1 and Zone 2

Combustible dust areas Zone 21 and Zone 22

Explosive gas mixture classification IIA, IIB, IIC

Explosive gas ignition temperature group T1-T6

Technician specifications

Ex rating:Exd II BT6 Gb、Exd II CT6 Gb、Exde II CT6 Gb、ExtD A21 IP66 T80℃.

Rated current: 16A

Rated voltage: AC220V/380V

Protection grade: IP65, IP66*

Corrosion-proof class:WF1、WF2*

Inlet thread: G1"

Wiring Outer diameter: φ12mm~φ20mm

Mounting mode: Vertical type、Pendant type

Executive standard: 

GB3836.1, GB3836.2, GB3836.3,GB12476.1,GB12476.5; 

IEC60079-0, IEC60079-1, IEC60079-7, IEC61241-0; 

EN60079-0, EN60079-1, EN60079-7,EN61241-0,EN61241-1

Model implicatio

LBZ51 Explosion Proof Operation Post

1.The series control box is made as per client provided drawing.

2.Please indicate the explosion protection degree when ordering.

3.Cable entries number and specification can be made as per user’s request

4.The standard code for ordering is LBZ51-A   D   K   B   R (   )

Example: If you need to order LBZ51 explosion column, with 2 pushbuttons (1N/O+1N/C,

1 standard button + 1 green standard button), 2 indicator lamps (1 red + 1 green AC220V),

1 switch (M type), the order code is: LBZ51-A2D2K1G





◇Designed for Explosive atmosphere Zone 1and Zone 2;

◇Designed for Groups IIA,IIB,IIC ;

◇Designed for Combustible dust Zone21, Zone22;

◇Designed for TemperatureclassesT1~T6;

◇Apply to oil drilling platforms, offshore oil platform, oil derrick, etc for the dangerous sites;

◇Pieces are widely used in electrical control circuit;

◇Different types can be designed as per client selectrical systematic drawing.

Techniccl parameter

◇Meet a criterion: GB3836.1、GB3836.2、GB3836.3、GB12476.1、

GB12476.5、IEC60079-0、IEC60079-1、IEC60079-7、 IEC61241-0、EN60079-0、EN60079-1、EN60079-7、 EN61241-0、EN61241-1

◇Explosion-proof mark: Exd II BT6 Gb、Exd II CT6 Gb、Exde II CT6 Gb、

ExtD A21 IP66 T80℃.

◇Rated voltage: AC220/380V(Please note if have request)

◇Rated current: 16A

◇protection grade: IP65、IP66*

◇Explosion-proof grade: WF1、WF2*

◇Inlet thread: G1”(Please note if have request)

◇Cable diameter: Φ12mm-Φ20mm

◇Mounting mode: Vertical type、Pendant type


shell aluminum alloy casting forming, the blasting treament high volt- age  electrostatic pensu;

built-in light, button, universal switch, ammeter, voltmeter, potentiometer, etc. according to the user Due to demand other instrument;

universal switch more than 30 kinds of functions, users can choose acco- rding to the requirements;

can according to customer request compatibility cover;

special design fo the sealing structure, meet the explosion performance at  the same time improve the product protection level;

steel pipe or cable wiring.

LBZ51 Explosion Proof Operation Post

Accel Technology