R911223878 is part of the MAC AC Servo Motors Series by Indramat Motors.
Specs
Size: 063 Length Type: A Centering Diameter: 095 Power Connection: B side of outer housing Blocking Brake: Standard 3 Nm Encoder: Standard mounting Operational Voltage: 230 & 115 volts Feedback System: Tachometer Techo Voltage Value: 1.5V/1000 min Tachofeedback System: Intuitively integrated into the drive Design: Surface cooling, blower incorporation possible