Open-circuit voltage 7...15 mV per rpm Materials Housing: plastic, black Shaft: stainless steel Groove frequency fN = 29/30 x n Carbon brush lifetime approx. 40000 Operating hours Rotor moment of inertia 130 gcm² Reversal tolerance ≤0.4 % Polarity Depending on rotational direction Operating speed ≤8000 rpm Number of pole pairs 2 = 4 poles Lower limit of control range 0 rpm Shaft type ø6 mm solid shaft Flange Synchro flange Linearity tolerance ≤0.2 % Temperature coefficient ±0.2 %/10 K (10...+100 °C) Connection Screw terminal connector, 2-pin Number of grooves, segments 29 manufacter SKU KTD 2-... B14 Size (flange) ø54 mm Weight approx. 290 g Isolation class B Protection DIN EN 60529 IP 55 Operating temperature -20...+100 °C