Heat detector OOH740-A9-EX

speedfireoptical

Product overview
Multi-sensor fire detector for potentially explosive atmospheres. Signal processing uses ASA technology and supports event-controlled detection with redundant sensing for reliable early detection.

Product identifiers
Product No.: OOH740-A9-EX
Stock No.: S54329-F8-A1
GTIN (EAN): 4047625039899

Key features

• Multi-protocol operation: Collective / C-NET-Ex (addressed individually)
• Redundant optical and thermal sensors
• Event-controlled detection behavior and high immunity to false alarms
• Suitable for wind speeds of 1 to 20 m/s
• Programmable for future requirements; automatic address assignment during commissioning
• Communication via C-NET-Ex (individually addressed)

Technical specifications

• Standards: EN 54-5, EN 54-7, IEC/EN 60079-0, IEC/EN 60079-11
• Operating voltage: DC 13…28 V
• Protection category: IP43; IP44 with sealing kit
• Relative humidity: ≤95 % rel. (short-term moisture condensation permitted)
• Storage temperature: -30…+75 °C
• Operating temperature: -25…70 °C
• Quiescent current: 200...280 μA
• Ex-classification: IECEx scheme: Ex ia IIC T4 Ga, Ta = -35…70 °C
• Communication protocol: C-NET-Ex, Collective Ex
• System compatibility: C-NET-Ex > FS720
• Color: Pure white, ~RAL 9010

Compatible accessories (selection)

• FDB291 - Socket accessory
• FDBZ291 - Detector ID plate
• FDBZ293 - Detector locking device
• DBZ1190-AB - Connection terminal 2.5 mm²
• FDBZ295 - Sealing insert
• FDB295 - Base for humid environments
• FDCL221-Ex - Intrinsic safety barrier for Ex lines

Certificates & documentation

• VdS certificate
• IECEx certificate
• UKCA certificate of constancy of performance
• Declaration of Performance / EC Declaration
• Environmental Product Declaration