AC servomotor ACSM40N

220 VIP654-pole

Product overview
40 mm frame, 4-pole AC servo motor ACSM40N-00130B4-MHZ delivering 50 W at 220 V with 3000 RPM rated speed and 0.16 N·m rated torque. Equipped with a 23-bit absolute encoder and IP65 protection, with 2× peak torque for precision motion control applications.

Key highlights

• Rated power: 50 W
• Rated speed: 3000 RPM
• Rated torque: 0.16 N·m
• Peak torque: 0.32 N·m (2× rated)
• Encoder: 23-bit absolute
• Protection: IP65

Part number & basic specs
Part number: ACSM40N-00130B4-MHZ
Rated power: 50 W
Rated voltage: 220 V
Rated speed: 3000 RPM
Rated torque: 0.16 N·m
Peak torque: 0.32 N·m

Electrical & mechanical specifications

• Rated power: 0.05 kW
• Rated line voltage: 220 V
• Rated line current: 0.4 A
• Back EMF: 36.8 V/1000 r.min
• Torque constant: 0.4 N·m/A
• Rotor inertia: 0.025×10⁻⁴ kg·m²
• Phase resistance (L-L): 108 Ω
• Phase inductance (L-L): 108 mH
• Electrical time constant: 1.0 ms
• Weight: 0.32 kg
• Compatible drives: ACSDP100H-40 / ACSDP100E-40

Encoder & protection

• Encoder type: 23-bit absolute
• Insulation class: Class B
• Protection rating: IP65
• Operating ambient: -20°C to +40°C
• Ambient humidity: < 90% RH (non-condensing)

Mechanical dimensions

• Frame size: 40 mm
• Body length (without brake): 75 mm
• Body length (with permanent magnet brake): 109 mm

Additional visuals
Torque-speed curve and mechanical drawing for the ACSM40N series are available on the product page.

Technical specifications

• Frame: 40 mm
• Pole: 4-pole
• Rated power: 50 W (0.05 kW)
• Rated voltage: 220 V
• Rated speed: 3000 RPM
• Rated torque: 0.16 N·m
• Peak torque: 0.32 N·m
• Encoder: 23-bit absolute encoder
• Protection: IP65
• Back EMF: 36.8 V/1000 r.min
• Torque constant: 0.4 N·m/A
• Rotor inertia: 0.025×10⁻⁴ kg·m²
• Phase resistance (L-L): 108 Ω
• Phase inductance (L-L): 108 mH
• Electrical time constant: 1.0 ms
• Weight: 0.32 kg
• Compatible drives: ACSDP100H-40 / ACSDP100E-40
• Operating ambient: -20°C to +40°C, < 90% RH non-condensing