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» Control System » Marine Control System » BQC920 Series Marine Explosion-proof Magnetic Starter

Морской взрывозащищенный магнитный стартер серии BQC920

Напряжение: AC380/400/415/440/480/660V

Частота: 50Гц / 60Гц

Protection level: IIP56

Rated current: 16~160A

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Морской взрывозащищенный магнитный стартер серии BQC920 подходит для запуска и управления работой двигателей переменного тока оборудования во взрывоопасных местах, таких как суда, работающие на природном газе, танкеры-химовозы, нефтяные танкеры, нефтяные платформы, и так далее. Морской взрывозащищенный магнитный стартер серии BQC920 соответствует этому стандарту в соответствии с GB3836.1-2010 “Часть взрывоопасных сред 1: Общие требования к оборудованию”, ГБ3836.2 “Часть взрывоопасных сред 2: Оборудование, защищенное взрывозащищенными корпусами “d” и соответствующие стандарты. ГБ3836.2 “Часть взрывоопасной среды 2: Оборудование, защищенное взрывозащищенным корпусом “d”” и соответствующие стандарты.

Напряжение: AC380/400/415/440/480/660V

Частота: 50Гц / 60Гц

Protection level: IIP56

Rated current: 16~160A

Combustible gas vapor class; ⅡA, ⅡB, ⅡC

Temperature group: T1-T4

Control box explosion-proof level: ExdⅡBT4

Ambient temperature: -25- 45

Ambient temperature: -25- 45

There are oil mist and salt spray in the humid air at sea

There are shocks and vibrations generated during normal operation of the ship.

Tilt, sway: ±22.5 degrees

Explosive gas environment hazardous places 1 zone, 2 zone

Combustible gas vapor class; ⅡA ⅡB

Temperature group: T1-T4

Control box explosion-proof level: ExdⅡBT4

Division of explosive atmospheric hazard areas

Different countries and regions, according to their own standards divide the explosive hazard area. China according to the frequency and duration of explosive gas mixtures, the explosive gas environment is divided into O, 1 and 2 zones. (with IEC Electrotechnical Commission *)

Zone 0: continuous occurrence or * occurrence of explosive gas mixtures in the environment.

Zone 1: An environment in which explosive gas mixtures may occur during normal operation.

Zone 2: An environment where explosive gas mixtures are unlikely to occur during normal operation or where explosive gas mixtures, if present, are only present for a short period of time.

Zone 0 generally exists only in sealed containers, storage tanks and other internal gas space, in the actual design process Zone 1 is rarely present, most cases belong to Zone 2.

  1. Explosion-proof electrical equipment is divided into two categories.

Class I electrical equipment for underground use in coal mines.

Class II electrical equipment used on occasions other than mines.

  1. Class II electrical equipment, according to its applicability to explosive gas mixtures with large test safety gaps or small ignition current ratio, divided into ⅡA, ⅡB, ⅡC three categories; and according to its surface temperature is divided into T1-T6 six groups.
  2. Explosive gas mixtures are grouped according to the ignition temperature.

 

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