QT.Ex-MFD03-SH Ex rotary fire damper actuator 18 Nm (opening 15 sec) with fast spring return (closing 3sec) and feedback switches. Supply 85..250 VAC, IP66. ATEX/IEC zone 1, 2, 21 and 22, temperature class T1 – T4. Aditional equipment: FT.Ex-72 thermal fire trigger 72 °C. Petz Industries.

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