MR-J4-350GF4 Mitsubishi MELSERVO servo MELSERVO-J4 series

MPN: MR-J4-350GF4 · Brand: Mitsubishi Electric (Factory Automation)

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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 – Servo amplifiers
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can MR-J4-350GF4 be shipped?

MR-J4-350GF4 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 MR-J4-350GF4 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 MR-J4-350GF4 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 MR-J4-350GF4, subject to availability and destination.

The Mitsubishi Electric MR-J4-350GF4 is a MELSERVO-J4 series in the MELSERVO servo. CC-Link IE Field Network. Mitsubishi Electric has announced its discontinuation (2028/03 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSERVO servo
Category	MELSERVO-J4 series
Type	400 V AC
Sales status	2028/03 To be end of order (Mitsubishi Electric)
Outline	CC-Link IE Field Network

Specifications

Series	MELSERVO-J4 series
Power class	400 V AC
Model name	MR-J4-350GF4
Capacity [kW]	3.5
Command interface	CC-Link IE Field Network
Output: Rated voltage	3-phase 323 V AC
Output: Rated current [A]	8.6
Main circuit power supply input: Voltage/frequency *1: AC input	3-phase 380 V AC to 480 V AC, 50 Hz/60 Hz
Main circuit power supply input: Rated current [A]	7.9
Main circuit power supply input: Permissible voltage fluctuation: AC input	3-phase 323 V AC to 528 V AC
Main circuit power supply input: Permissible frequency fluctuation	±5 % maximum
Control circuit power supply input: Voltage/frequency: AC input	1-phase 380 V AC to 480 V AC, 50 Hz/60 Hz
Control circuit power supply input: Rated current [A]	0.2
Control circuit power supply input: Permissible voltage fluctuation: AC input	3-phase 323 V AC to 528 V AC
Control circuit power supply input: Permissible frequency fluctuation	±5 % maximum
Control circuit power supply input: Power consumption [W]	45
Interface power supply	24 V DC ± 10 % (required current capacity: 0.3 A (including CN8 connector signals))
Control method	Sine-wave PWM control/current control method
Permissible regenerative power: Built-in regenerative resistor [W] 2 3	100
Dynamic brake *7	Built-in
Command communication cycle *9	0.5 ms, 1.0 ms, 2.0 ms, 4.0 ms
Communication function	USB: Connect a personal computer (MR Configurator2 compatible)
A/B/Z-phase pulse output	Compatible
Analog monitor	2 channels
Positioning mode *10	Point table method, indexer method
Fully closed loop control	Two-wire type communication method
Load-side encoder interface	Mitsubishi Electric high-speed serial communication
Servo functions	Advanced vibration suppression control II, adaptive filter II, robust filter, auto tuning, one-touch tuning, tough drive function, drive recorder function, machine diagnosis function (including failure prediction *11 ), power monitoring function, scale measurement function, super trace control, lost motion compensation function
Protective functions	Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic thermal), servo motor overheat protection, encoder error protection, regenerative error protection, undervoltage protection, instantaneous power failure protection, overspeed protection, error excessive protection, magnetic pole detection protection, linear servo control fault protection
Safety sub-function	STO (IEC/EN 61800-5-2)
Safety performance: Satisfied standards *12	EN ISO 13849-1:2015 Category 3 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3, EN 61800-5-2
Safety performance: Response performance	8 ms or less (STO input OFF → energy shut-off)
Safety performance: Test pulse input (STO) *13	Test pulse interval: 1 Hz to 25 Hz, test pulse off time: 1 ms maximum
Safety performance: Mean time to dangerous failure (MTTFd)	MTTFd ≥ 100 [years] (314a)
Safety performance: Diagnostic coverage (DC)	DC = Medium, 97.6 [%]
Safety performance: Probability of dangerous Failure per Hour (PFH)	PFH = 6.4 × 10 -9 [1/h]
Satisfied standards	Refer to " Standards and certifications (by product) Products " for compliance with global standards and regulations.
Structure (IP rating)	Force cooling, open (IP20)
Close mounting: 3-phase power supply input	Not possible
Environment: Ambient temperature: Operation	0 °C to 55 °C (non-freezing)
Environment: Ambient temperature: Storage	-20 °C to 65 °C (non-freezing)
Environment: Ambient humidity	Operation/storage: 5 %RH to 90 %RH (non-condensing)
Environment: Ambience	Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust
Environment: Altitude	2000 m or less above sea level *15
Environment: Vibration resistance	5.9 m/s 2 at 10 Hz to 55 Hz (directions of X, Y, and Z axes)
Mass [kg]	3.6

Downloads & documentation

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

Data sheets & manuals

MR-J4-_GF_(-RJ) Servo Amplifier Instruction Manual (I/O Mode) (SH-030221ENG-E)	PDF · 3.29MB
MR-J4-_GF_(-RJ) Servo Amplifier Instruction Manual (Motion Mode) (SH-030218ENG-H)	PDF · 18.86MB
MR-J4-_GF_(-RJ) Servo Amplifier Instruction Manual (CC-Link IE Field Network Basic) (SH-030273ENG-C)	PDF · 2.50MB
MELSERVO-J4 Servo Amplifier Instruction Manual (Troubleshooting) (SH-030109ENG-T)	PDF · 1.08MB
LINEAR ENCODER INSTRUCTION MANUAL (SH-030111-J)	PDF · 0.75MB
EMC Installation Guidelines (IB-67310-M)	PDF · 4.44MB
MR-J4 Servo amplifier Instructions and Cautions for Safe Use of AC Servos (IB-0300175E-AC)	PDF · 0.59MB
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
LM-H3/LM-U2/LM-F/LM-K2 LINEAR SERVO MOTOR INSTRUCTION MANUAL (SH-030110-K)	PDF · 2.10MB
Instructions and Cautions for Safe Use of Regenerative Resistor GRZG Series (IB-0300259E-A)	PDF · 0.05MB