Kollmorgen AKM51E-ACCNR-00 Servo Motor

1. Model Code Definition

Main Model: AKM51E

• AKM: Kollmorgen high-performance permanent magnet synchronous servo motor series

• 5: Frame size 5, 108×108mm IEC standard square flange

• 1: Stack length 1, standard stator stack for medium torque density

• E: High-voltage winding; rated for 3-phase 480V AC, compatible with 640V DC bus

Configuration Code: ACCNR

• A: Mounting – 108×108mm IEC standard square flange

• C: Shaft – φ25mm keyed shaft with standard keyway and M14 threaded shaft end

• C: Feedback – 16-pole resolver (high-reliability electromagnetic feedback)

• N: Brake – No holding brake

• R: Connector – M23 rotatable right-angle integrated connector (power + feedback combined)

Suffix -00

2. Electrical Specifications

• Continuous stall torque: 4.7 N·m

• Rated torque: 3.8 N·m

• Peak torque: 11.6 N·m

• Rated power: 1.19 kW

• Rated speed: 3000 rpm

• Max speed: 3500 rpm

• Rated voltage: 3-phase 480V AC

• DC bus voltage: 640V DC

• Peak current: 8.24 A

• Pole pairs: 10 poles (5 pairs)

• Rotor inertia: 0.0018 kg·m²

• Insulation class: Class F (155°C)

• Weight: Approx. 6.5 kg

3. Feedback System (Resolver)

• Type: 16-bit hollow shaft resolver

• Pure electromagnetic structure, no optical components

• Excellent resistance to high temperature, strong vibration, dust and oil contamination

• Wide temperature operating range: -40℃ ~ +125℃

• Maintenance-free, ultra-long service life for harsh industrial environments

• No absolute position memory; homing required after power cycle

4. Mechanical Specifications

• Mounting flange: 108×108mm IEC standard square flange

• Output shaft: φ25mm keyed shaft with standard key width 8mm

• Shaft end: Equipped with M14 mounting threaded hole

• Connector: M23 rotatable right-angle connector, 360° free wiring

• Protection class: IP65 (motor housing & shaft end)

• Housing finish: Matte black enamel paint

• Bearings: High-precision lifetime greased maintenance-free bearings

5. Environmental & Certifications

• Operating temperature: -20℃ ~ +40℃

• Storage temperature: -30℃ ~ +85℃

• Humidity: 5%–95% RH, non-condensing

• Vibration/shock resistance: Industrial high-vibration reinforced design

• Certifications: CE, UL, cULus, RoHS

6. Core Features

1. 480V high-voltage winding: Low current, low long-distance cable loss, high system efficiency.

2. 108mm standard IEC flange: Universal mounting dimension for easy replacement and compatibility.

3. Standard stack length: Balanced torque output and dynamic response for general industrial applications.

4. φ25mm keyed shaft: High torque transmission, suitable for gearboxes, timing pulleys and direct coupling.

5. Resolver feedback: Extreme environment resistance, maintenance-free and high operational stability.

6. Rotatable right-angle connector: Flexible cabinet wiring, space-saving and anti-vibration.

7. Brake-free design: Lower rotor inertia, ideal for horizontal axes and high frequent start-stop motion.

8. IP65 full protection: Dust-tight and splash-proof, suitable for dusty, humid and oily workshop conditions.

7. Compatible Drives

• AKD-P03607, AKD-P04807

• AKD2G high voltage series

  Supported protocols: Resolver, EtherCAT, PROFINET, CANopen, Pulse/Analog control.

8. Typical Applications

9. Summary