EC External Rotor Motor Radial Fans
CRBB/CRBT EC Series

Range of radial fans with high efficiency electronically commuted external rotor motors. Available sizes from 133 to 630mm of impeller Ø in different widths.
Impeller manufactured from galvanized sheet steel or plastic, depending on the model.
Brushless motors IP44 or IP54 rated, depending on the model, equipped with thermal protector and ball bearings greased for life. Motors 1, 2 & 3 include a long lead with tachometer signal output, 10VDC output and 0-10VDC/PWM input cable for speed control.
Motors 4, 5 & 6 also include control input 4-20 mA / PWM and RS-485 ModBus-RTU.

Performance tested in construction type A according to the standard ErP Lot 11 using the optimal inlet ring. Please find INLET RINGS at accessories section and the drawing with the recommended mounting position between the motor-impeller and the inlet ring.

Electrical supply:
Single phase 230V-50/60Hz
Three phase 400V-50/60Hz

On request:
15VDC Output, Customized Software versions, UL certified versions, 120V versions.