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AM8721-wByz | Servomotor with anodized housing 0.5 Nm (M0), R2 (77 mm)

AM8721-wByz | Servomotor with anodized housing 0.5 Nm (M0), R2 (77 mm)

OCT

AM8721-wByz | Servomotor with anodized housing 0.5 Nm (M0), R2 (77 mm)

OCT

The servomotor AM8721 with anodized housing is designed for applications in food, pharmaceutical and chemical industries. It is suitable for drive solutions with highest demands on dynamics and performance in the 100…480 V AC voltage range. The motor is equipped with an OCT direct cable outlet and the standstill torque is 0.50 Nm. The servomotor with flange code R2 (77 mm) and motor length 1 has a shaft diameter b=9 k6 and a free shaft end of d=20 mm.

Product status:

regular delivery

Product information

Data for 400 V ACAM8721-wByz
Motor typepermanent magnet-excited three-phase synchronous motor
Nominal voltage400…480 V AC
Standstill torque0.5 Nm
Rated torque0.50 Nm
Peak torque2,68 Nm
Rated speed8000 min-1
Rated power0.42 kW
Standstill current0.85 A
Peak current4.90 A
Torque constant0.588 Nm/A
Rotor moment of inertia0.139 kgcm²
Motor feedbackOCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplate
OCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplate, B/SSD
Coolingconvection
Connection technologyM23 speedtec® socket or direct connection for AX5000/AX8000
Ambient temperature (operation)+5…+40°C
Approvals/markingsCE, EAC

All electric quantities are RMS values.

Housing dataAM87xx
Protection ratingIP69K not including shaft feedthrough
Design formflange-mounted according to IM B5, IM V1, IM V3
Materialaluminum
Coating/surfaceanodized
DimensionsAM8721-wByz
a40 j6
b9 k6
d20 mm
l63 mm
r77 mm
k (without brake)131 mm
k (with brake)166 mm
  • Standstill point
  • Nominal point @ 230 V AC
  • Nominal point @ 400 V AC
  • Nominal point @ 480 V AC
  • S1 curve @ 230 V AC
  • S1 curve @ 400 V AC
  • S1 curve @ 480 V AC
  • Voltage boundary curve @ 230 V AC
  • Voltage boundary curve @ 400 V AC
  • Voltage boundary curve @ 480 V AC
Order reference
AM8721-wByz-caaa
w = 0smooth shaft with sealing ring IP69K exclusive shaft feedthrough
w = 1shaft with groove and feather key according to DIN 6885 and sealing ring IP69K exclusive shaft feedthrough
y = GOne Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx)
y = HOne Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx)
y = LOne Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), Beckhoff Smart System Diagnosis (B/SSD)
z = 0without holding brake
z = 2without holding brake, with sealing air connection
z = 1with backlash-free permanent magnet holding brake
z = 3with backlash-free permanent magnet holding brake, with sealing air connection
c = 0motor connection via M23 speedtec® plug, cable length definable via aaa(1)
c = 2direct connection for AX5000 up to 25 A (X13+X14), cable length definable via aaa
c = 3direct connection for AX8000 (X13), cable length definable via aaa
aaa length of the motor cable in decimeters
(1) For motor connection via an M23 speedtec® plug, a connecting cable ZK4500-80x3-xxxx/ZK4800-80x3-xxxx must also be ordered in the required length.
The options cannot be installed in the field.

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