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5. SPECIFICATIONS
HC-RFS Series
(ultra low inertia
middle capacity)
Servo Motor
Item
103 153 203 353 503
Applicable servo
amplifier
MR-J2S- A/B/CP/
CL
200 200 350 500 500
Rated output [kW] 1.0 1.5 2.0 3.5 5.0
[N m] 3.18 4.78 6.37 11.1 15.9
Continuous
running duty
(Note 1
11)
Rated
torque
[oz
in] 450 677 902 1572 2252
Rated speed (Note 1) [r/min]
3000
Maximum speed [r/min] 4500
Instantaneous permissible speed [r/min] 5175
[N m] 7.95 11.9 15.9 27.9 39.7
Maximum torque
[oz
in] 1126 1686 2253 3954 5626
Power rate at continuous rated torque
[kW/s]
67.4 120 176 150 211
J[10
4
kg m
2
]
1.5 1.9 2.3 8.6 12.0
Inertia moment
(Note 3)
WK
2
[oz in
2
] 8.2 10.4 12.6 47.0 65.6
Recommended ratio of load inertia moment
to servo motor shaft inertia moment (Note 2)
5 times or less
Servo amplifier's
built-in regenerative
resistor
1090 860 710 174 125
MR-RB30(300W) 3270 2580 2130 401 288
Regenerative
brake duty
[times/min]
(Note 4)
MR-J2S
series
MR-RB50(500W) 5450 4300 3550 669 479
Power supply capacity
Refer to "Power supply equipment
capacity and generated loss of servo
amplifiers" in Servo Amplifier
Instruction Manual.
Rated current [A] 6.1 8.8 14 23 28
Maximum current [A] 18.4 23.4 37 58 70
Speed/position detector
Encoder common to absolute position
and incremental detection systems
(Resolution per servo motor 1 rotation:
131072 pulse/rev)
Accessories Oil seal
Insulation class Class F
Structure
Totally-enclosed, self-cooled
(protection type: IP65 (Note 12))
Environmental conditions (Note 7)
Refer to section 2.1
[kg] 3.9 5.0 6.2 12.0 17.0
Mass (Note 3)
[lb] 8.6 11.0 13.7 26.5 37.5