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AM8541-wDyz | Servomotor with increased moment of inertia 2.37 Nm (M0), F4 (87 mm)

Servomotor without fan, OCT

Servomotor without fan, OCT

Servomotor without fan, OCT

Servomotor without fan, OCT

Servomotor without fan, resolver

Servomotor without fan, resolver

The AM8541 high-inertia servomotor is suitable for drive solutions with increased moment of inertia to ensure synchronism and optimal ratio of load/motor inertia in the 100…480 V AC voltage range. The standstill torque of the motor depends on the winding and is in the range of 2.37…2.45 Nm. It is available with the OCT feedback system (absolute encoder). The high-inertia servomotor with flange code F4 (87 mm) and motor length 1 has a shaft diameter b = 19 k6 and a free shaft end of d = 40 mm.

Product status:

regular delivery

Product variantsStandstill torqueStandstill currentRated speed
AM8541-wDyz2.37 Nm1.65 A3000 min-1
AM8541-wEyz2.45 Nm3.00 A6000 min-1
AM8541-wHyz2.40 Nm5.25 A8000 min-1

Product information

Data for 400 V ACAM8541-wDyz
Motor typepermanent magnet-excited three-phase synchronous motor
Nominal voltage100…480 V AC
Standstill torque2.37 Nm
Rated torque2.29 Nm
Peak torque9.00 Nm
Rated speed3000 min-1
Rated power0.72 kW
Standstill current1.65 A
Peak current8.30 A
Torque constant1.43 Nm/A
Rotor moment of inertia4.62 kgcm²
Motor feedbackresolver, single-turn absolute encoder
OCT, 18 bit, single-turn or multi-turn absolute encoder, electronic nameplate
OCT, 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
OCT, EnDat® 3, 19 bit, SIL 3-capable, single-turn or multi-turn absolute encoder, electronic nameplate
Coolingconvection
Connection technologyM23 speedtec® plug
Ambient temperature (operation)+5…+40°C
Approvals/markingsCE, cURus, EAC

All electric quantities are RMS values.

Housing dataAM85xx
Protection ratingIP54, IP65 (shaft seal)
Design formflange-mounted according to IM B5, IM V1, IM V3
Materialaluminum
Coating/surfacedark gray powder coating, similar to RAL7016
DimensionsAM8541-wDyz
a80 j6
b19 k6
d40 mm
l100 mm
r87 mm
k (without brake)179.5 mm
k (with brake)209.5 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
AM8541-wDyz
w = 0smooth shaft
w = 1shaft with groove and feather key according to DIN 6885
w = 2smooth shaft with IP65 sealing ring
w = 3shaft with IP65 sealing ring and with groove and feather key
w = 4shaft with IP65 sealing ring, smooth shaft and sealing air connection (not for AM801x)
w = 5shaft with IP65 sealing ring, shaft with groove and feather key and sealing air connection (not for AM801x)
y = 02-cable standard: feedback resolver
y = 1One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, 18 bit resolution
y = 2One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, 18 bit resolution
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 = IEnDat® 3; One 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 19 bit, SIL 3-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), only for AM802x to AM807x at AX8000 from firmware 1.06
y = JEnDat® 3; One 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 19 bit, SIL 3-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), only for AM802x to AM807x at AX8000 from firmware 1.06
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 = 1with backlash-free permanent magnet holding brake
The options cannot be installed in the field.

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