AC servomotor ACSM80N

220 VIP654-pole

Product overview
80 mm frame, 4-pole AC servo motor with rated power 0.73 kW (730 W), rated voltage 220 V, rated speed 2000 RPM and rated torque 3.5 N·m. Equipped with a 23-bit absolute encoder and IP65 protection; peak torque 10.5 N·m (3× rated torque). Suitable for compact industrial motion control systems requiring sealed protection and precise position feedback.

Key highlights

• Rated power: 730 W (0.73 kW)
• Rated speed: 2000 RPM
• Rated torque: 3.5 N·m
• Peak torque: 10.5 N·m
• Encoder: 23-bit absolute
• Protection rating: IP65

Part number & quick specs

• Part number: ACSM80N-03520B4-MHZ
• Rated voltage: 220 V
• Rated current: 3 A
• Peak current: 9 A
• Compatible drives: ACSDP100H-75, ACSDP100E-75

Electrical & mechanical specifications
Rated power — 0.73 kW
Rated line voltage — 220 V
Rated line current — 3 A
Peak current — 9 A
Rated speed — 2000 RPM
Rated torque — 3.5 N·m
Peak torque — 10.5 N·m
Back EMF — 71 V/1000 r.min
Torque constant — 1.17 N·m/A
Rotor inertia — 2.63×10⁻⁴ kg·m²
Phase resistance (L-L) — 3.65 Ω
Phase inductance (L-L) — 8.8 mH
Electrical time constant — 2.4 ms
Weight — 3.9 kg

Encoder & protection
Encoder type — 23-bit absolute
Insulation class — Class B
Protection rating — IP65
Ambient temperature — -20°C to +40°C
Ambient humidity — < 90% RH (non-condensing)

Mechanical dimensions
Frame size — 80 mm
Body length (without brake) — 178 mm
Body length (with permanent magnet brake) — 233 mm
Body length (with electromagnetic brake) — 219 mm

Torque-speed curve
The torque-speed characteristic is provided as a chart illustrating continuous torque vs speed and peak torque capability (see chart image).

Mechanical drawing
Dimensional drawing and mounting details for the ACSM80N series are provided (see technical drawing).

Technical specifications

• Series: ACSM80N series
• Part number: ACSM80N-03520B4-MHZ
• Rated power: 0.73 kW (730 W)
• Rated line voltage: 220 V
• Rated line current: 3 A
• Peak current: 9 A
• Rated speed: 2000 RPM
• Rated torque: 3.5 N·m
• Peak torque: 10.5 N·m
• Back EMF: 71 V/1000 r.min
• Torque constant: 1.17 N·m/A
• Rotor inertia: 2.63×10⁻⁴ kg·m²
• Phase resistance (L-L): 3.65 Ω
• Phase inductance (L-L): 8.8 mH
• Electrical time constant: 2.4 ms
• Weight: 3.9 kg
• Compatible drives: ACSDP100H-75, ACSDP100E-75
• Encoder: 23-bit absolute encoder
• Insulation class: Class B
• Protection rating: IP65
• Ambient temperature: -20°C to +40°C
• Ambient humidity: < 90% RH (non-condensing)
• Frame size: 80 mm
• Body length (w/o brake): 178 mm
• Body length (w/ permanent magnet brake): 233 mm
• Body length (w/ electromagnetic brake): 219 mm