IMS20B series general-purpose AC servo motor

The IMS20B series AC servo motor is the latest generation of general-purpose servo motors from INVT. With frame sizes ranging from 40, 60, 80, 100, 130, 180, 200 to 263mm, and power coverage from 0.05kW to 75kW, these motors offer multiple inertia configurations and speed ranges. They support various encoders including 17-bit multi-turn absolute magnetic encoders, 23-bit multi-turn absolute optical encoders, and resolvers. The IMS20B series is widely used in advanced manufacturing, printing/packaging, machine tools, plastic machines, textiles, and other industrial equipment. It delivers fast and precise position control, speed control and torque control.

·1.0.05~90KW
·40, 60, 80, 100, 130, 180, 200, 263 mm flange
·CE, UL, RoHS
  • IMS20B series general-purpose AC servo motor
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  • IMS20B series general-purpose AC servo motor
Overview
Features
Specifications
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Features

Comprehensive specifications
Frame sizes: 40mm – 263mm, power range: 0.05kW – 90kW.
Available with high, medium, and low inertia configurations, compatible with magnetic encoders, optical encoders, and resolver encoders.
01
Smaller size
Optimized design and manufacturing process, reducing the motor length by up to 30% compared to previous models.
02
Safe and reliable
UL/CE certified across the entire series
IP67 protection rating
03
Excellent performance
Maximum speed increased to 7000r/min (for frame size 80mm and below)
Overload capacity improved to 350% (for frame size 100mm and below).
Optimized electromagnetic structure design reduces temperature rise.
04
Energy saving and emissions reduction
Motors with frame sizes 180mm and below meet China's Class 1 energy efficiency certification.
Motors with frame sizes 200mm and 260mm meet China's Class 2 energy efficiency certification.
05

Specifications

Item

Small-power servo motor

Specifications

Frame sizes 40/60/80/100/130/180mm, rated power 0.05kW–7.5kW

Duty

S1 continuous

Running environment temperature

0°C–40°C

Storage temperature

-20°C–+60°C

Running environment humidity

20%–80% RH (no condensation)

Vibration

49m/s²

Impact

490m/s²

Excitation method

Permanent magnet type

Mounting method

IMB5 (Flange mounting)

Insulation class

F

Insulation resistance

DC500V, > 100MΩ

Insulation voltage

AC 1500V for 1 minute (220V); AC 1800V for 1 minute (380V)

Enclosure IP rating

IP67 (frame sizes 40–180mm UL certified, excluding shaft extension and cable ends)

IP65 (frame sizes 130–180mm standard, excluding shaft extension and cable ends)

Rotation direction

Counterclockwise (CCW) when viewed from load side with forward rotation command

Altitude

Below 1000m, derating required above 1000m (refer to altitude derating curve)

 

Item

Medium-power servo motor

Specifications

Frame sizes 200/263mm, rated torque: 40Nm – 495Nm

Duty

S1 continuous

Running environment temperature

-20°C – +40°C (No freezing)

Storage temperature

-20°C–+60°C

Running environment humidity

20%–90% RH (no condensation)

Vibration

25m/s²

Impact

50m/s²

Excitation method

Permanent magnet type

Mounting method

IMB35 (Horizontal mounting with base feet, flange mounting), IMB5

Insulation class

F

Insulation resistance

DC500V, > 100MΩ

Insulation voltage

AC 1500V for 1 minute (220V); AC 1800V for 1 minute (380V)

Enclosure IP rating

IP54 (excluding shaft extension and cable ends)

Rotation direction

Counterclockwise (CCW) when viewed from load side with forward rotation command

Altitude

Below 1000m, derating required above 1000m (refer to altitude derating curve)

 

 

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