Kolmorgen AKM43E-EKCNR-01 Servo Motor Detailed Product Description

I. Complete Model Analysis

Main Model: AKM43E

AKM: Kolmorgen High-performance Permanent Magnet Synchronous Servo Motor Series

4: 4-inch base → 84×84mm IEC standard square flange

3: Stator overlap length 3 → Long body, high torque output

E: 480V high-voltage winding → Suitable for three-phase 480V AC, DC bus 640V DC

Configuration Code: EKCNR

E: Installation form → IEC standard square flange (84×84mm)

K: Output shaft → φ19mm shaft with key slot, shaft end with M10 fixing screw holes

C: Feedback type → SFD intelligent multi-turn absolute encoder

N: Electromagnetic brake → No built-in brake

R: Connector → Double M23 elbow connector (power / feedback separation)

Suffix -01

Standard shaft extension (25mm) + reinforced shaft seal

Protection level: IP65 (body) / IP65 (shaft end)

F-class insulation, standard industrial bearings

II. Core Electrical Parameters

Continuous start torque: 4.7 N·m

Rated torque: 3.76 N·m

Peak torque: 15.9 N·m

Rated power: 1.99 kW

Rated speed: 5000 rpm

Maximum speed: 7500 rpm

Compatible voltage: Three-phase 480V AC

DC bus: 640V DC

Rated current: 2.6 A RMS

Peak current: 8.6 A RMS

Pole number: 10 poles

Rotor inertia: 0.00021 kg·m²

Insulation class: F class 155℃

Overall weight: Approximately 4.5 kg

III. Feedback System (SFD Intelligent Multi-turn Absolute Encoder)

Type: SFD (Smart Feedback Device) intelligent multi-turn absolute encoder

Resolution: 20 bits (1,048,576 ppr)

Core features:

Multi-turn absolute value, power-off memory position, no need to return to zero, can start immediately upon power-on

Intelligent feedback protocol, high anti-interference, high-speed communication

Built-in temperature sensor, real-time monitoring of motor status

Compatible with Kolmorgen AKD/AKD2G series drivers, supports EtherCAT/CANopen

IV. Mechanical Structure Specifications

Installation flange: 84×84mm IEC standard square flange

Shaft diameter / shaft type: φ19mm shaft with key slot, standard shaft extension 25mm

Shaft seal: Reinforced shaft seal ring (shaft end IP65)

Brake: No built-in brake, low inertia, high dynamic response

Connector: Double M23 elbow connector, power and feedback separation

Protection level: IP65 (body) / IP65 (shaft end)

Shell: RAL 9005 matte black enamel

Bearings: Industrial-grade lifetime lubrication maintenance-free bearings 

V. Environment and Certification

Operating temperature: -20℃ ～ +40℃

Storage temperature: -30℃ ～ +85℃

Relative humidity: 5%～95% RH, no condensation

Shock/impact resistance: Industrial-grade high shock resistance design

Compliance certifications: CE, UL, cULus, RoHS

VI. Core Product Features

480V E-class high-voltage winding

Compatible with industrial 480V power grid, low current, high efficiency, low loss in long-distance wiring, suitable for high-power conditions.

84mm IEC standard flange

Global universal installation size, convenient replacement, strong compatibility.

Long stack high torque

Stator stack length 3, large torque output, suitable for heavy-load, high-thrust applications.

φ19mm key-slot shaft

Reliable transmission, strong torque-bearing capacity, suitable for direct drive of heavy-load, impact conditions.

SFD intelligent multi-winding absolute value encoder

Power-off memory, no need for zero return, intelligent monitoring, high-speed stability, suitable for precise positioning, high-speed synchronization scenarios.

Double M23 elbow connectors

Flexible wiring, space-saving, strong anti-interference, suitable for compact equipment installation.

No brake design

Suitable for horizontal moving axes, no vertical fall risk conditions, small inertia, fast acceleration.

Full-axis IP65 protection

Dust-proof, resistant to high-pressure spraying, suitable for humid, oily, dusty, and rinsing industrial environments.

VII. Compatible Drives

Kolmosung 640V high-voltage series:

AKD-P03607, AKD-P04807

AKD2G models of the same voltage level

Supporting protocols: SFD absolute value, EtherCAT, CANopen, PROFINET

VIII. Typical Applications

Precise positioning: Semiconductor equipment, electronic manufacturing, precision machine tools

Heavy-duty drive: Material conveying, woodworking machinery, textile machinery

High-speed synchronization: Packaging machinery, printing machinery, food processing

Harsh environments: Rinsing conditions, dusty, humid industrial environment automation production lines

Compatible: 84mm flange, 480V high-voltage, long stack high torque, φ19mm key-slot shaft, SFD absolute value, double M23 elbow, full-axis IP65 protection scenarios.

IX. One-sentence Summary of Model

AKM43E-EKCNR-01:

84mm IEC square flange, No. 4 mounting plate long stack length, 480V high-voltage, 5000rpm rated speed, φ19mm key-slot shaft, SFD intelligent multi-winding absolute value encoder, no brake, double M23 elbow connectors, full-axis IP65 protection servo motor;

Positioning: High-voltage heavy-duty, high-precision positioning, power-off memory, full protection industrial general-purpose model.