Explosion-proof quarter-turn rotary actuator for ventilation installation and damper
Schischek Explosionproof

VAV control, 90° quarter turn actuators and differential sensors, explosion proof

Electrical, explosion proof quarter turn actuators series ExMax and RedMax, for VAV dampers.
- 5 Nm up to 150 Nm
- ATEX 94/9/EC
- installation in hazardous areas zone 1, 2, 21, 22
- for all kind of gas, vapours, mixtures and dust
- Actuators with or without fail safe spring return function
- 24 up to 240 VAC/DC multivoltage supply
- 5 motor running times adjustable on site
- on-off, 3-pos, 0-10 VDC, 4-20 mA mode
- 100 % overload protected
- Robust aluminium housing with IP66 protection
- integrated heater for use from -40°C up to +40°C/+50°C
- Cable connection, approx. 1 m cable
- Manual override
- Squared shaft connection 12 × 12 mm (size S), 16 × 16 mm (size M)
- Stainless steel version or Amercoat painted optional
- Series ExMax for use in zone 1, 2, 21, 22
- Series RedMax for use in zone 2 and 22
- Series InMax for use in safe area (industrial applications)
- Adaptable aux. switches, terminal boxes or mounting brackets available
- suitable differentail pressure sensor series ExCos-P and RedCos-P:
- ATEX 94/9/EC
- for installation in hazardous areas zone 1, 2, 21, 22
- for all kind of gas, vapours, mixtures and dust
- 24 VAC/DC supply
- Measuring ranges +/- 100 Pa, +/- 250 Pa, +/- 600 Pa, +/- 1250 Pa, +/- 2500 Pa, +/- 5000 Pa, +/- 7500 Pa
- Series ExCos-P for use in zone 1, 2, 21, 22
- Series RedCos-P for use in zone 2, 22
- Series InCos-P for use in safe area (industrial applications)

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