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With the SQVEx .2 part-turn actuators for modulating duty, AUMA offers electric actuators with variable operating time, certified for use in potentially explosive atmospheres.
Part-turn actuators of the SQRVEx .2 type range are designed for modulating duty (class C) S4 - 25 %.
150 Nm to 2400 Nm
Variable speed, explosion-proof for modulating duty150 Nm – 2400 Nm
Torque range75 Nm – 1200 Nm
Modulating torque range1500 c/h
Number of starts (max.)4 s – 360 s
Operating time for 90°75 ° – 105 °
Swing anglesIP68
Enclosure protectionKS
Corrosion protection-30 °C – +40/+60 °C
Ambient temperatureII 2G Ex db eb IIC (IIB) T4 (T3) II 2G Ex db IIC (IIB) T4 (T3)
ATEX explosion protectionFM CLASS I DIV 1 GROUPS (B), C, D T4 (T3C) FM CLASS II DIV 1 GROUPS E, F, G T4 (T3C) FM CLASS III DIV 1 T4 (T3)
FM explosion protectionEx db eb IIC (IIB) T4 (T3) Ex db IIC (IIB) T4 (T3)
International/Australia - IECEx