Name: HGKR43 248654 Mitsubishi MELSERVOJ4 Series LowInertia AC Servo Motor
Brand: MITSUBISHI
Price: 1 USD

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HG-KR43 (248654) Mitsubishi MELSERVO-J4 Series Low-Inertia AC Servo Motor

Categories	Mitsubishi Module
Brand Name:	MITSUBISHI
Model Number:	HG-KR43 (248654)
Place of Origin:	Japan
MOQ:	1
Price:	1-99$
Payment Terms:	T/T
Supply Ability:	999
Delivery Time:	in stock / 1-3 work days
Packaging Details:	Brand New Original
Product Series:	MELSERVO-J4
Type:	Low-Inertia / Small Capacity Rotary Servo Motor
Rated Output:	400 W (0.4 kW)
Rated Torque:	1.3 N·m
Maximum Torque:	4.5 N·m (approx. 3.5x rated)
Rated Speed:	3000 r/min
Maximum Speed:	6000 r/min (short-term overload)
Encoder Resolution:	22-bit (4,194,304 pulses/revolution)
Insulation Class:	Class 130 (B)
Cooling Method:	Self-cooling (Fanless)

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HG-KR43 (248654) Mitsubishi MELSERVO-J4 Series Low-Inertia AC Servo Motor

Mitsubishi HG-KR43 MELSERVO-J4 Series Low-Inertia AC Servo Motor

The Mitsubishi HG-KR43 (part number 248654) is a high-performance low-inertia, small-capacity AC servo motor from the MELSERVO-J4 series. Engineered for applications demanding high precision, rapid response, and compact design, this motor delivers 400W rated output and operates at speeds up to 6000 r/min. With IP65 protection rating and a high-resolution 22-bit encoder, the HG-KR43 ensures reliable, precise positioning in harsh industrial environments.

Key Features & Benefits

High-Precision Motion Control: 22-bit absolute/incremental encoder (4,194,304 pulses/rev) for nanometer-level positioning accuracy
High Dynamic Response: Speed response frequency up to 500 Hz (2.5 kHz with advanced amplifiers) for ultra-fast start/stop cycles
Compact & Lightweight Design: Weighs 1.4 kg (standard) to 1.8 kg (with brake) for space-saving installation
Robust Construction: IP65 rated (dust-tight and protected against water jets) for harsh environments
High Overload Capacity: Delivers up to 350% of rated torque for stable operation during load changes
Energy Efficient: Optimized magnetic design reduces iron losses and heat generation
Seamless Integration: Compatible with MR-J4 series servo amplifiers and supports SSCNET III/H and EtherCAT protocols

Technical Specifications

Parameter	Specification
Product Series	MELSERVO-J4
Model Number	HG-KR43 (Catalog Ref: 248654)
Type	Low-Inertia / Small Capacity Rotary Servo Motor
Rated Output	400 W (0.4 kW)
Rated Torque	1.3 N*m
Maximum Torque	4.5 N*m (approx. 3.5x rated)
Rated Speed	3000 r/min
Maximum Speed	6000 r/min (short-term overload)
Encoder Resolution	22-bit (4,194,304 pulses/revolution)
Power Supply Voltage	100V - 240V AC (Single/Three Phase, 50/60 Hz)
Protection Class	IP65 (IP20 for terminal box area)
Insulation Class	Class 130 (B)
Cooling Method	Self-cooling (Fanless)
Weight	Approx. 1.4 kg (Standard) / 1.8 kg (With Brake)
Shaft Allowable Load	Radial: 245 N / Axial: 98 N
Vibration Resistance	10 - 55 Hz (V10 level)
Operating Temperature	0°C to +40°C (Non-freezing)
Compatible Amplifier	MR-J4-40A / MR-J4-40B

Model Variants

HG-KR43: Base model (Standard, no brake, keyed shaft)
HG-KR43J: Standard model (Matches amplifier MR-J4-40A)
HG-KR43BJ: With Electromagnetic Brake (Spring-applied safety brake for vertical axes)
HG-KR43K: Keyless shaft (Smooth shaft, requires coupling)
HG-KR43BK: Keyless shaft with brake
HG-KR43W0C / BW0C: Special cable outlet orientation variants

Note: The suffix "B" indicates electromagnetic brake presence, critical for vertical lifts or Z-axes where loads must be held when power is off.

Typical Applications

Precision Machinery: CNC machine tool feed axes (X/Y/Z), laser cutters, engraving machines
Robotics: Articulated arms, SCARA robots, delta robots requiring high speed and precision
Packaging & Assembly: High-speed pick-and-place machines, labeling equipment, conveyor indexing
Semiconductor Manufacturing: Wafer handling, die bonding, inspection equipment
Textile & Printing: Yarn feed control, print head positioning, cutting machines
General Automation: Automatic doors, valve control, material handling systems

Ordering Information & Accessories

Required Components: Must be paired with compatible MR-J4 series amplifier (MR-J4-40A or MR-J4-40B) and controller
Cabling: Requires shielded encoder and power cables (MR-J3ENSCBL series available)
Brake Resistor: External brake resistor (MR-BR series) for frequent deceleration or vertical loads
Software: Configuration via Mitsubishi MR Configurator or GX Works software


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