C model range

Product specification:

Free-running impeller with 7 backward-curved blades in dimensions of 225 to 1,120 mm. Impeller made of sheet steel with surface protection provided by powder coating. Version with hub (taper lock or fixed hub) and inlet nozzle with measurement device for air flow measurement. Volume flow rates of up to 110,000 m³/h free blowing, max. static pressure increase of up to 2,500 Pa possible. GR modules for compact installation in customer applications/devices for horizontal and vertical air feed. ER plug fans, for example for vibration-dampened use in central air-conditioning units with horizontal air feed.

Properties & special features:

Impeller with rotating, non-fluted diffusor for high-efficiency levels and favorable acoustic characteristics. Also available in ATEX version. Impeller made of aluminium when used with external rotor motors.

Motor concepts:

Internal rotor motors:

• PMblue EC technology: Permanent magnet excited motor with built-in controller
• AMblue AC technology: Asynchronous motor with built-in controller
• AC technology

External rotor motors:

• ECblue technology with integrated controller tailored to the fan
• AC technology

Explosion protected version:

• Available in 13 sizes from 225 – 1,120 mm
• Versions in ZAmotbasic
• Seven backward curved blades
• Anti-static surface finish thanks to powder coating in black (RAL 9005)
• Only available as ER version and therefore only in installation position H
• Impeller with hub also available separately
• Temperature class T4
• Equipment group IIB
• Internal rotor motor (AC)
• EPL: Gb / Gc
• Zone 1 / 2
• Motor ignition protection type: Ex db /Ex db eb
• Fan ignition protection type: Ex h (constructional safety “c”)
• Suitable for ambient temperatures: -20 to +40/+60 °C
• Temperature impeller up to +80°C
• Certificates: ATEX, IECEx

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