HG-KR053BJ Mitsubishi HG Series Rotary Servo Motor 50W IP65

HG-KR053BJ Mitsubishi Rotary Servo Motor – 50W / 0.16 Nm / IP65 / Built-in Brake

HG-KR053BJ from Mitsubishi delivers precise motion control for light automation. This rotary servo motor provides 0.16 Nm nominal torque and 50 Watts output power. It reaches 3000 RPM rated speed. Low-inertia design ensures rapid response. Built-in electromagnetic brake adds safety. IP65 rating resists dust and water jets. Ideal for compact industrial setups.

Manager’s Insight

Why HG-KR053BJ stands out? Combines high-resolution 22-bit encoder with robust brake. Perfect for pick-and-place and small assembly lines. Low inertia means faster start/stop cycles. Users save space with 4-pin connector. Reduces downtime. Reliable choice for precision motion at 200V AC.

Expert Review

Performance verdict: Exceptional for 50W class. 22-bit encoder delivers micron-level positioning. Straight shaft simplifies coupling. No reduction gear keeps backlash zero. IP65 allows use in humid or dusty environments. Electromagnetic brake holds position securely when power off. Ideal for small robots, indexing tables, and medical devices.

Technical Specifications – Hierarchical Overview

• Brand & Model Identity
  • Manufacturer: Mitsubishi Electric
  • Product Line: HG Series
  • Part Number: HG-KR053BJ
  • Motor Type: Rotary Servo Motor
  • Capacity Class: Small Capacity
  • Inertia Class: Low Inertia
• Power & Electrical Ratings
  • Output Power: 50 Watts (continuous)
  • Nominal Torque: 0.16 Newton-meters
  • Rated Speed: 3,000 RPM
  • Supply Voltage Class: 200 Volts AC
  • Rated Current: 0.9 Amps
• Measurement & Feedback Performance
  • Encoder Type: 22-bit absolute/incremental encoder
  • Resolution: 22-bit (high precision)
  • Position Linearity: High linearity via digital feedback
  • Sensitivity: Responsive to small control signals
  • Frequency Response: Suitable for high-dynamic servo loops (up to 3kHz current loop with compatible drive)
• Environmental Tolerance & Protection
  • IP Rating: IP65 (dust-tight, low-pressure water jets)
  • Operating Temperature Range: 0°C to +40°C
  • Storage Temperature: -15°C to +70°C
  • Ambient Humidity: 80% RH max (non-condensing)
  • Noise / Anti-interference: Meets industrial EMC standards (CE, UL)
  • Vibration Resistance: 5G (based on IEC 60068-2-6)
• Mechanical & Shaft Configuration
  • Shaft Shape: Straight Shaft (standard)
  • Shaft Diameter: 6 mm with keyway
  • Brake Type: Built-in Electromagnetic Brake (24V DC holding type)
  • Reduction Gear: No reduction gear (direct drive only)
  • Inertia Value: Low inertia (0.068 kg·cm² approx)
  • Weight: 4.54 kg (10.00 lbs)
• Connector & Wiring Interface
  • Connector Type: 4-Pin Rectangular Connector
  • Recommended Cable: Shielded flexible encoder cable
  • Brake Wiring: Separate 24V DC supply

Installation Guide – Step by Step

• Mounting
  • Use flat rigid surface. Tighten M4 bolts.
  • Align straight shaft carefully to load coupling.
• Brake & Electrical
  • Connect electromagnetic brake power (24V DC).
  • Attach 4-pin rectangular connector to matching drive.
• Grounding & Final
  • Secure grounding terminal to reduce electrical noise.
  • Do not exceed 3000 RPM continuous rating.

Debugging & Maintenance Convenience

• Encoder & Auto-tuning
  • 22-bit encoder provides auto-tuning feedback with MR-JE drives.
  • Use MR Configurator2 software for quick setup.
• Brake Check
  • Apply 24V to release, cut voltage to engage.
  • Visual/audible click confirms operation.
• Mechanical Maintenance
  • Straight shaft design – simple coupling replacement.
  • IP65 housing reduces cleaning frequency.

Compatibility Information

• Compatible Drives
  • Mitsubishi MR-JE series (e.g., MR-JE-10A)
  • Mitsubishi MR-J4 series (MR-J4-10A)
• Controller Support
  • MELSEC iQ-R, Q, L series PLCs
  • Motion controllers with SSCNET III/H or pulse train
• Feedback Interface
  • Absolute/incremental 22-bit encoder (Mitsubishi protocol)
  • Not compatible with non-Mitsubishi drives

Certifications & Compliance

• Safety & EMC
  • CE Marked (EMC Directive 2014/30/EU)
  • UL Recognized Component (File E134986)
• Environmental
  • RoHS Compliant (2011/65/EU)
  • REACH Compliant

Package Contents

• Main Unit
  • 1 x HG-KR053BJ servo motor (with electromagnetic brake)
  • 1 x straight shaft key (included)
• Accessories
  • 1 x 4-pin rectangular connector (male, for motor side)
  • 1 x installation manual (digital download link)
• Note
  • Cables not included – order separately.

Warranty & Fast Delivery

• Warranty
  • 12 months from invoice date. Covers manufacturing defects.
• Shipping Policy
  • 12-24 hours dispatch after order confirmation.
  • Express carriers: FedEx, UPS, DHL (tracking provided).
  • International priority shipping available.

Suitable Devices & Application Scenarios

• Suitable Devices
  • Small pick-and-place robots
  • Labeling machines & PCB assembly tools
  • Medical syringe pumps
  • Compact indexing tables
  • Industrial 3D printers
• Application Scenarios
  • Precision positioning in electronics manufacturing
  • Conveyor belt diverters & packaging feeders
  • Laboratory automation and semiconductor handlers
  • Vertical axis with holding brake required

Frequently Asked Questions (FAQ)

• What is the real stall torque of HG-KR053BJ?
  • Stall torque equals nominal 0.16 Nm. Short-term peak torque is higher (consult datasheet).
• Can I replace HG-KR43BJ with this model?
  • Yes, if drive current rating supports 0.9A. HG-KR053BJ offers 50W vs 40W. Frame size matches.
• How to select between brake and non-brake version? (Purchasing guidance)
  • Choose brake version for vertical axis or when load may drop after power off. HG-KR053BJ includes brake – no extra ordering.
• What encoder cable do I need?
  • Use MR-J3ENCBL or equivalent 22-bit encoder cable with 4-pin rectangular connectors.
• Does this motor work without a driver?
  • No. Needs Mitsubishi servo amplifier (MR-JE-10A or MR-J4-10A).
• Is IP65 enough for harsh environments?
  • Yes. IP65 resists dust ingress and low-pressure water jets. Not submersible.
• What is the rotor inertia value?
  • Low inertia class: approx 0.068 kg·cm². Check official datasheet for exact.
• Can I use this with non-Mitsubishi drives?
  • Not recommended. Encoder protocol is proprietary Mitsubishi. Use genuine drives for full performance.
• Experience: Does the brake make noise when engaging?
  • Soft click is normal. Loud grinding indicates wear – contact support.
• Purchasing guidance: What to check before order?
  • Verify 200V AC supply. Shaft diameter 6mm. Order cables & amplifier together. For vertical loads, brake is mandatory – already included.

Purchasing Guidance – Quick Checklist

• Voltage compatibility: 200V AC class only.
• Confirm shaft dimensions: 6mm straight shaft with keyway.
• Order mating encoder cable and amplifier (MR-JE-10A) as a bundle.
• For vertical applications, brake is already built-in – no extra cost.
• Need higher torque? Consider HG-KR13BJ (100W) from same series.
• Stock availability: 12-24h shipment via FedEx, UPS, DHL.

Contact & Support

• Sales inquiries: sales@powergearx.com
• WhatsApp technical support: +86 18030005825 (click to chat)
• For order tracking or bulk discounts, contact our team directly.

Related industrial monitoring: Bently Nevada 3300 5mm Proximity Probes for vibration and position sensing.

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