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K

Casing
Airtight, seamed casing made from galvanised steel. Leakage rate compliant with tightness class C, according to EN 12237:2003.

Motor
Voltage controllable external rotor motors.

Impeller geometry
Radial impeller with backward curved blades.

Power control
Speed controllable via stepless thyristor or 5-step transformer.

Motor protection
Integrated thermal contacts with manual reset in accordance with EN60335-2-80 (sizes 100 M and 125 M have integrated thermal protection).

 

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