Source-backed claims. Configuration, workload and evidence type matter when comparing products.
3 phase connection
Y
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revision3 Phase Connection - Y
Back drive torque
4 N·m
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionBack Drive Torque N.m 4
Backlash
10 arcmin
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionBacklash Arcmin 10
Cogging torque
1,480 mN·m
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionCogging Torque mN.m 1480
Communication
CAN bus
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; The exact C variant has CAN bus. The manufacturer table maps EtherCAT to the separately named E variant.
MyActuator X Series V4 product manual, 2025-02-11 revisionCAN BUS EtherCAT RMD-X15-P20-450-C RMD-X15-P20-450-E N (without brake) N (without brake)
Efficiency
82.4 %
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionEfficiency % 82.4
Encoder type & interface
Dual Encoder ABS-17BIT (Input) /17BIT (Output)
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionEncoder Type & Interface - Dual Encoder ABS-17BIT (Input) /17BIT (Output)
Gear ratio
20.25
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionGear Ratio - 20.25
Inertia
31.6 kg·cm²
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionInertia Kg.cm² 31.6
Input voltage
72 V DC
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionInput Voltage V 72
Insulation grade
F
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionInsulation Grade - F
Module torque constant
5.8 N·m/A
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionModule Torque Constant N.m/A 5.8
Motor back-emf constant
29.9 V DC/krpm
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionMotor Back-EMF Constant Vdc/Krpm 29.9
Motor phase inductance
0.14 mH
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionMotor Phase Inductance mH 0.14
Motor phase resistance
0.08 Ω
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionMotor Phase Resistance Ω 0.08
No-load input current
3.5 A
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionNo-Load Input Current A 3.5
No load speed
93 RPM
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionNo Load Speed RPM 93
Peak phase current
69.2 A RMS
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionPeak Phase Current A(rms) 69.2
Peak torque
450 N·m
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionPeak Torque N.m 450
Pole pair
20
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionPole Pair - 20
Radial load
6 kN
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRadial Load KN 6
Rated output power
1,124 W
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRated Output Power W 1124
Rated phase current
25 A RMS
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRated Phase Current A(rms) 25
Rated speed
74 RPM
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRated Speed RPM 74
Rated torque
145 N·m
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRated Torque N.m 145
Repeat position accuracy
<0.01 °
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionRepeat Position Accuracy Degree <0.01
Weight
3.6 kg
Manufacturer specification
Configuration: RMD-X15-P20-450-C V4, without brake; Manufacturer 2025-02-11 V4 table explicitly lists the CAN-only C and EtherCAT E versions together. Values reflect this historical revision; current 2026 table for E differs in several parameters, and current C applicability remains unverified.
MyActuator X Series V4 product manual, 2025-02-11 revisionWeight Kg 3.6