LJB 1S

The S.E.M.C. Explosion-proof aluminum control selector switches type LJB1-S are specialized electrical devices designed for use in hazardous environments where explosive gases, vapors, or dusts may be present. These switches are typically used in industries such as oil and gas, chemical processing, mining, and any other environment where safety is a critical concern.
The LJB1-S types switches are enclosed in a robust aluminum housing while easier to install and maintain also can be coated with a three layer painting that chosen for its combination of strength, corrosion resistance, making these switches durable and suitable for harsh environment and ideal for outdoor or offshore applications where exposure to moisture, salt, or chemicals is common.
The LJB1-S switches allow the user to select different operational modes or settings, such as ON/OFF, Start/Stop, Local/Remote or other specific functions depending on the application. The selector mechanism is designed to be reliable even in harsh conditions, providing consistent operation over long periods.
The LJB1-S type Explosion-proof aluminum control selector switches are used in a variety of applications, including:
* Oil & Gas: For controlling equipment in refineries, offshore platforms, and other facilities where explosive gases are present.
* Chemical Plants: Where volatile chemicals could create hazardous atmospheres.
* Mining: In environments where flammable gases like methane may be present.
* Pharmaceuticals: Where dust or fumes from certain substances can create explosive atmospheres.
* Marine and Offshore: For controlling lighting, motors, and other equipment on ships or offshore rigs.
LJB-1S-1-1LJB-1S-1-1
Material
Zone
IP Grade
Aluminium Alloy
Z-21-22-1-2
66,67

Construction

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TECHNICAL DATA

describe

Title

LJB 1S

Type

Flame Proof Ex d Enclosure For Type of Switch

Application

Zone 1 – Zone 2 (Gas)

Zone 21 - Zone 22(Dust)

Installation

II 2 G D
Ex db IIC T6/T5/T4 Gb
Ex tb IIIC T85°C/T100°C/T135°C Db

Marking

EN60079-0 EN60079-1EN60079-31

Standards

IMQ 20 ATEX 062 X

 

TÜV 11 ATEX 7154U    TÜV 11 ATEX 7152X

IP 66,67

Degree Protection

-30°C to +55°C-20°C to +40°C

Ambient Temperature

Aluminium Alloy

Enclosure Material

Painting to Customer Application

Enclosure Finish

Threaded Type

Lid Fixing

2 Slotted Fixing Holes For (M6/M8) Screws

Enclosure Mounting

M6 External / M4 Internal Earth Stud

Earthing

0.8 Kg

Empty Enclosure Weight

110*110*108

Enclosure External Dimensions

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