AC servomotor ACSM80N-04025B4-MHZ

220 Vwith brakewith built-in electromagnetic brake

Product Overview
80 mm frame 4-pole AC servo motor, 1.0 kW, 220 V, nominal speed 2500 RPM and nominal torque 4.0 N·m. Equipped with a 23-bit absolute encoder and IP65 protection. Available with different brake options and compatible with specified drives for industrial automation applications.

Key Highlights

• Rated Power: 1.0 kW
• Rated Speed: 2500 RPM
• Rated Torque: 4.0 N·m
• Peak Torque: 12 N·m
• Encoder: 23-bit Absolute
• Protection: IP65

Identifiers
Part Number — ACSM80N-04025B4-MHZ
Frame / Series — ACSM80N Series

Electrical & Mechanical Specifications
Parameter — Value
Rated Power — 1.0 kW
Rated Line Voltage — 220 V
Rated Line Current — 4.4 A
Peak Current — 13.2 A
Rated Speed — 2500 RPM
Rated Torque — 4.0 N·m
Peak Torque — 12 N·m
Back EMF — 56 V/1000 r.min
Torque Constant — 0.9 N·m/A
Rotor Inertia — 2.97×10⁻⁴ kg·m²
Phase Resistance (L-L) — 1.83 Ω
Phase Inductance (L-L) — 4.72 mH
Electrical Time Constant — 2.58 ms
Weight — 4.1 kg
Compatible Drive — ACSDP100H-75 / ACSDP100E-75

Encoder & Protection
Parameter — Value
Encoder Type — 23-bit Absolute
Insulation Class — Class B
Protection Rating — IP65
Ambient Temperature — -20°C ~ +40°C
Ambient Humidity — < 90% RH (non-condensing)

Mechanical Dimensions
Parameter — Value
Frame Size — 80 mm
Body Length (w/o brake) — 191 mm
Body Length (w/ permanent magnet brake) — 245 mm
Body Length (w/ electromagnetic brake) — 231 mm

Included Visuals
Torque-speed curve and mechanical drawing images available for the ACSM80N Series (visuals show torque-speed characteristics and mechanical mounting/dimensions).

Technical specifications

• Series: ACSM80N Series
• Part Number: ACSM80N-04025B4-MHZ
• Frame Size: 80 mm
• Rated Power: 1.0 kW
• Rated Voltage: 220 V
• Rated Current: 4.4 A
• Peak Current: 13.2 A
• Rated Speed: 2500 RPM
• Rated Torque: 4.0 N·m
• Peak Torque: 12 N·m
• Encoder: 23-bit absolute encoder
• Protection: IP65
• Insulation Class: Class B
• Weight: 4.1 kg
• Torque Constant: 0.9 N·m/A
• Rotor Inertia: 2.97×10⁻⁴ kg·m²
• Back EMF: 56 V/1000 r.min
• Compatible Drives: ACSDP100H-75 / ACSDP100E-75
• Operating Ambient: -20°C to +40°C, < 90% RH non-condensing