Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSERVO servo – Converter units / MR-CR55K4 Mitsubishi MELSERVO servo MELSERVO-J4 series

Available on request

MR-CR55K4 Mitsubishi MELSERVO servo MELSERVO-J4 series

MPN: MR-CR55K4 · 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 – Converter units
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can MR-CR55K4 be shipped?

MR-CR55K4 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-CR55K4 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-CR55K4 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-CR55K4, subject to availability and destination.

The Mitsubishi Electric MR-CR55K4 is a MELSERVO-J4 series in the MELSERVO servo. 55. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSERVO servo
Category	MELSERVO-J4 series
Type	400 V AC
Outline	55

Specifications

Series	MELSERVO-J4 series
Power class	400 V AC
Model name	MR-CR55K4
Output: Rated voltage	513 V DC to 648 V DC
Output: Rated current [A]	113.8
Main circuit power supply input: Voltage・frequency *1	3-phase 380 V AC to 480 V AC, 50 Hz/60 Hz
Main circuit power supply input: Rated current [A]	100.7
Main circuit power supply input: Permissible voltage fluctuation	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	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	1-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: 0.15 A)
Capacity [kW]	55
Regenerative power (when a regenerative option is used)	1300 W (one unit of MR-RB137-4) 3900 W (three units of MR-RB13V-4)
Protective functions	Regenerative overvoltage shut-off, overload shut-off (electronic thermal), regenerative error protection, undervoltage protection, instantaneous power failure protection
Continuous rating [kW]	55
Satisfied standards	Refer to " Standards and certifications (by product) Products " for compliance with global standards and regulations.
Structure (IP rating)	Force cooling, open (IP20) *2
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 *3
Environment: Vibration resistance	5.9 m/s 2 at 10 Hz to 55 Hz (directions of X, Y, and Z axes)
Mass [kg]	22

Downloads & documentation

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

Data sheets & manuals

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-CV/MR-CR/MR-J4-DU Instructions and Cautions for Safe Use of AC Servos (IB-0300228E-J)	PDF · 0.65MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

Global shippingFast, tracked delivery worldwide