AM855x
 
AM8551 Servomotor with increased moment of inertia 4.9 Nm (standstill torque)

AM8551 | Servomotor with increased moment of inertia 4.9 Nm (standstill torque)

Data for 400 V AC AM8551-wEyz AM8551-wGyz AM8551-wKyz
Standstill torque 4.80 Nm 4.90 Nm 4.90 Nm
Rated torque 4.60 Nm 4.40 Nm 3.90 Nm
Cooling convection
Rated speed 2500 min-1 5000 min-1 8000 min-1
Rated power 1.20 kW 2.30 kW 3.27 kW
Peak torque 17.2 Nm
Standstill current 2.70 A 4.75 A 8.50 A
Peak current 12.1 A 20.9 A 37.7 A
Torque constant 1.77 Nm/A 1.02 Nm/A 0.57 Nm/A
Voltage constant 125 mV/min-1 73 mV/min-1 40 mV/min-1
Number of poles 8
Rotor moment of inertia 8.75 kgcm²
Weight 5.5 kg
Holding torque brake (Mbr) 9 Nm
Power consumption (brake) at 24 V DC (Pbr) 18 W
Rotor moment of inertia incl. brake (J) 9.41 kgcm²
Weight incl. brake (m) 6.1 kg
Connection technology M23 speedtec® plug
One Cable Technology (OCT) yes
Data for 400 V AC AM8551-wFyz AM8551-wJyz AM8551-wLyz
Standstill torque 6.20 Nm 6.30 Nm 6.30 Nm
Rated torque 5.8 Nm 5.5 Nm 3.6 Nm
Cooling external axial ventilation*
Rated speed 2500 min-1 4750 min-1 8000 min-1
Rated power 1.52 kW 2.74 kW 3.02 kW
Peak torque 17.7 Nm 17.8 Nm 17.8 Nm
Standstill current 3.50 A 5.80 A 11.1 A
Peak current 12.1 A 20.9 A 37.7 A
Torque constant 1.77 Nm/A 1.02 Nm/A 0.57 Nm/A
Voltage constant 128 mV/min-1 73 mV/min-1 40 mV/min-1
Number of poles 8
Rotor moment of inertia 8.75 kgcm²
Weight 6.6 kg
Holding torque brake (Mbr) 9 Nm
Power consumption (brake) at 24 V DC (Pbr) 18 W
Rotor moment of inertia incl. brake (J) 9.40 kgcm²
Weight incl. brake (m) 7.2 kg
Connection technology M23 speedtec® plug
One Cable Technology (OCT) yes

*Thanks to the external axial ventilation the servomotor series offer high torques in the forced cooling version even at high speeds. Please see here for an overview.

Order reference
AM85uv-wxyz
u flange code F
v motor length
w = 0 smooth shaft
w = 1 shaft with groove and feather key according to DIN 6885
w = 2 shaft with IP 65 sealing ring and smooth shaft
w = 3 shaft with IP 65 sealing ring and shaft with groove and feather key
x winding code A…Z
y = 0 2-cable standard: feedback resolver
y = 1 One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic identification plate, single-turn, absolute position within one revolution, 18 bit resolution
y = 2 One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic identification plate, multi-turn, absolute position within 4096 revolutions, 18 bit resolution
y = A One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic identification plate, single-turn, absolute position within one revolution, resolution 23 bit
y = B One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic identification plate, multi-turn, absolute position within 4096 revolutions, resolution 23 bit
y = N without feedback (sensorless)
z = 0 without holding brake
z = 1 with holding brake (not available for AM8533, AM8543, AM8553 and AM8563)
z = A forced cooling, without holding brake, for AM855x, AM856x (1)
z = B forced cooling, with holding brake, for AM855x, AM856x (not available for AM8553 and AM8563) (1)
(1) The EL2022 or KL2022 digital output terminal with matching ZK4054-6400-xxxx supply cable is recommended for controlling the external 24 V DC ventilation.
All electric quantities are RMS values.
The options cannot be installed in the field.