Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSERVO servo – Rotary servo motors / HG-JR203B Mitsubishi MELSERVO servo MELSERVO-J4 series

Available on request

HG-JR203B Mitsubishi MELSERVO servo MELSERVO-J4 series

MPN: HG-JR203B · Brand: Mitsubishi Electric (Factory Automation)

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSERVO servo – Rotary servo motors
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can HG-JR203B be shipped?

HG-JR203B is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up HG-JR203B in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for HG-JR203B and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for HG-JR203B, subject to availability and destination.

The Mitsubishi Electric HG-JR203B is a MELSERVO-J4 series in the MELSERVO servo. 3000. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSERVO servo
Category	MELSERVO-J4 series
Type	200 V AC
Outline	3000

Specifications

Series	MELSERVO-J4 series
Power class	200 V AC
Model name	HG-JR203B
Compatible servo amplifier	Refer to " Combinations of Rotary Servo Motors and Servo Amplifiers " for compatible servo amplifier.
Power supply capacity [kVA] *50	3.5
Continuous running duty *1: Rated output [kW]	2.0
Continuous running duty 1: Rated torque [N・m] 3	6.4
Maximum torque [N・m]	19.1 (25.5) *4
Rated speed [r/min] *1	3000
Maximum speed [r/min] *1	6000
Permissible instantaneous speed [r/min]	6900
Power rate at continuous rated torque [kW/s]	74.8
Rated current [A]	11
Maximum current [A]	32 (43) *4
Moment of inertia J [x 10 -4 kg・m 2 ]	5.42
Recommended load to motor inertia ratio *6	10 times or less
Speed・position detector	Absolute/incremental 22-bit encoder (resolution: 4194304 pulses/rev)
Type	Permanent magnet synchronous motor
Oil seal	Installed
Thermistor	None
Insulation class	155 (F)
Structure	Totally enclosed, natural cooling (IP rating: IP67) *7
Environment *50: Ambient temperature: Operation	0 °C to 40 °C (non-freezing)
Environment *50: Ambient temperature: Strage	-15 °C to 70 °C (non-freezing)
Environment *50: Ambient humidity: Operation	10 %RH to 80 %RH (non-condensing)
Environment *50: Ambient humidity: Strage	10 %RH to 90 %RH (non-condensing)
Environment *50: Ambience	Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust
Environment *50: Altitude	2000 m or less above sea level *8
Environment 50: Vibration resistance 50	X: 24.5 m/s 2 Y: 24.5 m/s 2
Vibration rank	V10 *50
Satisfied standards	Refer to " Standards and certifications (by product) Products " for compliance with global standards and regulations.
Permissible load for the shaft *50: L [mm]	40
Permissible load for the shaft *50: Radial [N]	323
Permissible load for the shaft *50: Thrust [N]	284
Mass [kg]	8.9

Specifications

Electromagnetic Brake *9: Servo motor model name	HG-JR203B
Electromagnetic Brake *9: Type	Spring actuated type safety brake
Electromagnetic Brake *9: Rated voltage	24 V DC (-10 % to 0 %)
Electromagnetic Brake *9: Power consumption [W] at 20 ﾟC	11.7
Electromagnetic Brake *9: Electromagnetic brake static friction torque [N・m]	6.6 or higher
Electromagnetic Brake *9: Permissible braking work: Per braking [J]	64
Electromagnetic Brake *9: Permissible braking work: Per hour [J]	640
Electromagnetic Brake 9: Electromagnetic brake life 10: Number of braking times	5000
Electromagnetic Brake 9: Electromagnetic brake life 10: Work per braking [J]	64

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

MR-J4-_A_(-RJ)/MR-J4-03A6(-RJ) SERVO AMPLIFIER INSTRUCTION MANUAL (SH-030107-V)	PDF · 13.84MB
MR-J4-_A_-RJ/MR-J4-03A6-RJ SERVO AMPLIFIER INSTRUCTION MANUAL (POSITIONING MODE) (SH-030143-D)	PDF · 5.06MB
MR-J4-_A_-RJ SERVO AMPLIFIER INSTRUCTION MANUAL (Modbus-RTU Protocol) (SH-030175-C)	PDF · 0.70MB
MR-CV_/MR-CR55K_ /MR-J4-DU_B_(-RJ)/MR-J4-DU_A_(-RJ) SERVO AMPLIFIER INSTRUCTION MANUAL (SH-030153-G)	PDF · 9.66MB
MR-J4-_B_(-RJ) SERVO AMPLIFIER INSTRUCTION MANUAL (SH-030106-U)	PDF · 11.15MB
MR-J4W2-_B/MR-J4W3-_B/MR-J4W2-0303B6 SERVO AMPLIFIER INSTRUCTION MANUAL (SH-030105-P)	PDF · 4.90MB
CC-Link IE Field Network interface with Motion MR-J4-_B-RJ010/MR-J4-_B4-RJ010/MR-J3-T10 SERVO AMPLIFIER INSTRUCTION MANUAL (SH-030117-C)	PDF · 4.47MB
MR-J4-_GF_(-RJ) Servo Amplifier Instruction Manual (CC-Link IE Field Network Basic) (SH-030273ENG-C)	PDF · 2.50MB
HG-MR/HG-KR/HG-SR/HG-JR/HG-RR/HG-UR/HG-AK SERVO MOTOR INSTRUCTION MANUAL (Vol.3) (SH-030113-Q)	PDF · 10.48MB
Instructions and Cautions for Safe Use of Regenerative Resistor GRZG Series (IB-0300259E-A)	PDF · 0.05MB