

EKM Series Brushless AC Servo Motors
These enhanced, high performance motors are MilSpec 810E rated and IP67 sealed. They are supplied standard with a stainless steel shaft and chemical agent-resistant paint for reliable duty in harsh environmental conditions.

Features
- 0.43 to 53 Nm continuous stall torque (3.8 to 467 lbin)
- Speeds up to 8000 RPM meet high speed requirements
- 480 VAC High Voltage Insulation.
- Custom windings, shaft variations, and failsafe brakes available
- Rugged resolver feedback for extreme environment Operating temperature range of -51°C to 54° C
- Shock and vibration tested per MILSTD810E, Methods 516.4 & 514.4, Procedure 1
- International standard mount available
- Low-cog, low harmonic distortion magnetic designs.
- Connectivity: High performance nickel-plated MIL-C-38999 connectors with total environmental sealing, quick mating, triple lead threaded, self-locking coupling, as well as EMI and RFI shielding. In addition, both front-facing and rear-facing options are available.
- Stainless steel shaft and fasteners prevent external corrosion while a chemical agent resistant paint allows resistance to harsh outdoor environments and chemicals.
- Sealing: IP67 rated for ingress prevention and brief submergence as well as 100-psi wash down. In addition, a viton shaft seal comes standard.
Specifications
Frame Size | Stack Length | Windings | Max BUS (VDC) | Max Stall Tc Nm (lb-in) | Max Tp Nm (lb-in) | Max Rated N | Max Rated Power @ Max BUS kW (Hp) |
---|---|---|---|---|---|---|---|
EKM2 | 1,2,3,4 | C,D,E,F,G | 640 | 1.37 (12.2) | 4.77 (42.2) | 8000 | 0.89 (1.19) |
EKM3 | 1,2,3 | C,D,E,H | 640 | 2.83 (25.1) | 10.2 (90.3) | 8000 | 1.16 (1.56) |
EKM4 | 1,2,3,4 | C,E,G,H,J,K | 640 | 5.93 (52.5) | 20.3 (180) | 6000 | 1.68 (2.26) |
EKM5 | 1,2,3,4 | E,G,K,L,M,N,P | 640 | 14.3 (126) |
38.3 (339) | 6000 | 3.82 (5.12) |
EKM6 | 2,3,4,5 | G,K,L,M,N,P | 640 | 24.8 (219) | 65.0 (576) |
6000 | 6.05 (8.11) |
EKM7 | 2,3,4 | K,L,M,P | 640 | 52.8 (467) | 143 (1269) | 6000 | 7.64 (10.24) |
Media & Downloads
Title | Language | Date | Share URL |
---|---|---|---|
Kollmorgen Catalogo Automazione e Motion Control IT | Italian | Share URLview | |
EKM Series Servo Motors Selection Guide | English | Share URLview | |
Kollmorgen Automation and Motion Control | English | Share URLview | |
Kollmorgen otomasyon ve hareket kontrol çözümleri kataloğu TR | Turkish | Share URLview | |
科尔摩根运动控制及伺服系统解决方案 | Chinese, Simplified | Share URLview |
Title | File Language | Date | Share URL |
---|---|---|---|
Blue Guide | English, German | |
Share URL https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=OJ%3AC%3A2022%3A247%3ATOC |
Support
Trade Compliance | ![]() |
February 21, 2023 |
Resolving Servo Feedback Choices | ![]() |
November 4, 2021 |
Ingress Protection of Servo Motors | ![]() |
April 18, 2019 |

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