OOH740-A9-EX - Multi-sensor fire detector Siemens

Обзор



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Функции



OOH740-A9-EX

Multi-sensor fire detector

Multi sensor fire detector for potentially explosive areas.

  • Signal processing with ASAtechnology
  • Multiple protocol detector (collective / C-NET-Ex)
  • Event-controlled detection behavior
  • Early and reliable detection when fires occur
  • Highly developed immunity to deceptive phenomena
  • Redundant sensor system
  • Suitable for wind speeds of 1 to 20 m/s
  • Prepared for future requirements thanks to its programmability
  • Communication via C-NET-Ex (addressed individually)
  • Address automatically issued during commissioning

Технические данные



Стандарт

EN 54-5, EN 54-7, IEC/EN 60079-0, IEC/EN 60079-11

Рабочее напряжение

DC 13…28 V

Степень защиты

IP43
IP44 with sealing kit FDBZ295

Относительная влажность

≤95 % rel.
(short-term moisture condensation permitted)

Диапазон температур хранения

-30…+75 °C

Диапазон рабочих температур

-25…+70 °C

Ток в дежурном режиме

200...280 μA

Ex-классификация

IECEx scheme:
Ex ia IIC T4 Ga,
Ta = -35 °C…+70 °C
94/9/EC
(ATEX Directive):
II 1 G Ex ia IIC T4 Ga,
Ta = -35 °C…+70 °C

Протокол связи

C-NET-Ex or collective Ex

Совместимость системы

C-NET-Ex > FS720

Цвет

∼RAL 9010, Pure white

Аксессуары

Sealing kit FDBZ295

Описание

A6V10371417