Housing dimensions: 136x69x85 mm, switch-off delay: 2 ... 20 s, rated impulse voltage: 4000 V, switch-on delay: 15 ... 120 s, electrical connection: screw terminals, housing color: gray (lower part similar to RAL 7016, upper part similar to RAL 7035), Function type: monitor, storage temperature: 0 ... + 60 ° C, housing material: plastic, assembly / fastening: wall mounting, independent of position, surface finish: matt, control function: switches when the flow rate falls below the set flow rate, with additional alarm contact (with locking: before restarting the device must be de-energized (reset), protection type: IP 65, protection class: II, safety and EMC: according to DIN EN 60730, ambient temperature up to: 60, ambient temperature of: 0, degree of pollution: II, permissible air humidity: max. 95% r. H., non-condensing, number of outputs: 4, Max. Switching voltage: 230 VAC, 50 Hz, max. Switching current: 10 (3) A, min. Switching voltage: 24 VAC, 50 Hz, min. Switching current: 150 mA at 24 VAC, potential-free, switching element: relay, switching contact: 2x changeover contacts, switching capacity: 2300 W, output signal: switching, output signal: switching, scope of delivery: monitor, sensor with 1.5 m cable, sensor clamp for duct mounting, medium: Air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster 10 (3) A, min. Switching voltage: 24 VAC, 50 Hz, min. Switching current: 150 mA at 24 VAC, potential-free, switching element: relay, switching contact: 2x changeover contacts, switching capacity: 2300 W, output signal: switching, output signal: switching, scope of delivery: monitor, sensor with 1.5 m cable, sensor clamp for duct mounting, medium: Air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster 10 (3) A, min. Switching voltage: 24 VAC, 50 Hz, min. Switching current: 150 mA at 24 VAC, potential-free, switching element: relay, switching contact: 2x changeover contacts, switching capacity: 2300 W, output signal: switching, output signal: switching, scope of delivery: monitor, sensor with 1.5 m cable, sensor clamp for duct mounting, medium: Air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range up to: 10 m / s, control range: control range from: 0.2 m / s control range up to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster Switching element: relay, switching contact: 2x changeover contacts, switching capacity: 2300 W, output signal: switching, output signal: switching, scope of delivery: monitor, sensor with 1.5 m cable, sensor clamp for duct mounting, medium: air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster Switching element: relay, switching contact: 2x changeover contacts, switching capacity: 2300 W, output signal: switching, output signal: switching, scope of delivery: monitor, sensor with 1.5 m cable, sensor clamp for duct mounting, medium: air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster Medium: air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster Medium: air, non-aggressive, operating voltage: 24 VAC, 50 Hz, installation length: approx. 150 mm, sensor: with connection cable, sensor type: hot film anemometer, max. Sensor temperature: 100, number of control range: 1, setting range: setting range from: 0.2 m / s setting range to: 10 m / s, control range: control range from: 0.2 m / s control range to: 10 m / s max. Air speed at the sensor 10 m / s, adjustable hysteresis: 1 ... 10%, internal setting, setpoint adjuster