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Product Overview

Main uses and scope of application

Explosion proof control cabinet (explosion-proof distribution box) (hereinafter referred to as distribution cabinet) is suitable for industrial plants, chemical factories, steam environments, flammable and explosive environments, dust environments, and other places.

The composition of models and their representative significance

Voltage: AC220V AC380V. AC660V . AC1140V

Explosion proof control cabinet (explosion-proof distribution box)

Execution standards

GB 3836.1-2010 Explosive Atmospheres Part 1: General Requirements for Equipment

GB 3836.2-2010 Explosive Atmospheres Part 2: Equipment Protected by Explosion proof Enclosures "d"

GB 3836.2-2010 Explosive Atmospheres Part 3: Equipment protected by increased safety "e"

GB 12476.1-2013 Electrical Equipment for Combustible Dust Environments Part 1: General Requirements

GB 12476.5-2013 Electrical Equipment for Combustible Dust Environments Part 5: Shell Protection Type "tD"

GB/T 13384-2008 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB14048.1-2012 General Principles for Low Voltage Switchgear and Control Equipment

GB/T 4208-2017 Degrees of Protection Provided by Enclosures (IP Code)

Structural Overview

4.1 The outer shell of the distribution cabinet is made of carbon steel Q235 welded, and the surface is high-pressure electrostatic spray molded.

Main technical parameters and performance

5.1 Explosion proof sign: Ex de lIB T4 Gb; Ex tD A21 lp66 T130 ℃

5.2 Rated voltage: AC220/380/660/11 40V

5.3 Rated current: 400A

5.4 Specification of inlet: M75X1.5

5.5 Cable outer diameter: ± 20~25mm

5.6 Protection level: IP66

Normal working and installation conditions

6.1 Altitude: not exceeding 2000 meters;

6.2 Atmospheric pressure: 80OKpa-110Kpa

6.3 Surrounding temperature: -20 ℃ -+40 ℃

6.4 Atmospheric conditions:

6.4.1 The relative humidity of the surrounding air shall not exceed 95% (at 25 ℃);

6.4.2 Can be used in environments with corrosive gases or vapors that do not significantly damage metals and insulation;

6.4.3 Pollution level: Level 3

6.5 Installation category: Class II

6.6 should be installed in a place without obvious shaking and impact vibration.