NSK MEGATORQUE M-ESB-YSB2020AB300 - Motor Specifications; YSB Series

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2.5. Motor Specifications
2.5.1. YSB Series
2.5. Motor Specifications
2.5.1. YSB Series
Table 2-7: Specifications of YSB2020 and YSB3040 types
Motor reference numbe
r
Characteristics
M-YSB2020KN001
M-YSB2020JN001
M-YSB2020KG001
M-YSB2020JG001
M-YSB3040KN001
M-YSB3040JN001
M-YSB3040KG001
M-YSB3040JG001
Maximum output torque [N·m]
20 40
Max. current / phase [A]
6
Allowable axial load [N]
3 700 4 500
Allowable moment load [N·m]
60 80
Axial rigidity*
(1)
[mm/N]
4.0 × 10
-6
3.0 × 10
-6
Moment rigidity*
(1)
[rad/N·m]
3.5 × 10
-6
2.5 × 10
-6
Max. stall torque [N·m]
15 35
Moment of inertia, rotor [kg·m
2
]
0.009 0.011 0.025 0.031
Brake torque [N·m]
No brake 18 No brake 36
Brake voltage [V]
No brake 24 VDC No brake 24 VDC
Brake power capacity [W]
No brake 24 No brake 26
Brake releasing time [ms]
No brake 50 No brake 90
Brake engaging time [ms]
No brake 30 No brake 30
Mass [kg]
10 14 18 22
Environmental conditions
Ambient temperature: 0 to 40°C, Humidity: 20 to 80%, Indoor use only.
Free from dust, condensation and corrosive gas.
Max. speed [s
-1
(rps)]
3
Resolution of position
sensor
[pulse/r]
819 200
Absolute positioning
accuracy
[sec]
150
Repeatability [sec]
±1.6
200 VAC
M-ESB-YSB2020A**** M-ESB-YSB2020A****
Compatible Driver Unit
100 VAC
M-ESB-YSB2020C**** M-ESB-YSB2020C****
*(1) These specification values are assumed that a Motor is fixed on a sufficiently rigid
base.
SI Unit system: 1N = 0.102 kgf
1N·m = 0.102 kgf·m
l The YSB Series Motors are common to all ESB Driver Units regardless of difference in 100 and
200 VAC power source voltages.