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750W 200VAC Medium Inertia 3000 RPM 300% Overload Capacity 2500 P/R Incremental Encoder With Holding Brake IP65
Product Overview
The Estun EMJ-08APB22 is a high-performance AC servo motor from Estun's advanced EMJ series. This 750W (0.75kW) model features a medium inertia rotor design and is equipped with a holding brake, making it ideal for vertical axis applications, CNC machinery, and systems requiring position holding when power is removed.
The EMJ series represents Estun's medium-inertia servo motor line, engineered for high-speed driving of mechanical feed axes in demanding industrial environments. With a standard IP65 construction rating and 300% peak torque overload capacity, the EMJ-08APB22 delivers exceptional power density and dynamic response for a wide range of automation applications.
Key Differentiators
Holding brake included - indicated by "B" in the model suffix, essential for vertical axis applications
Brake is released when energized; engaged when power is removed
Application Note: For position holding only - not for dynamic braking
Mechanical Specifications
Parameter
Value
Shaft Configuration
Straight shaft with key and tap (suffix "22")
Oil Seal
Standard (included)
Weight (with brake)
Approx. 3.5-4.0 kg
Environmental Specifications
Parameter
Value
Operating Temperature
0°C to +55°C
Storage Temperature
-25°C to +85°C
Operating/Storage Humidity
5% to 95% RH (with no condensation)
Vibration Resistance
4.9 m/s²
Impact Resistance
19.6 m/s²
Altitude
1000m or less
Electrical System
TN system (grounded neutral)
Core Features & Benefits
Medium Inertia Design for Versatile Applications
The EMJ-08APB22 features a medium inertia rotor, specifically optimized for applications requiring balanced performance between rapid acceleration and stable load handling. This design provides enhanced stability for general automation and CNC applications.
300% Overload Capacity
With a peak torque of 7.17 N*m (300% of rated torque), this motor handles demanding acceleration requirements and sudden load fluctuations without stalling. The high overload capacity ensures reliable operation in applications with intermittent high-torque demands.
Built-in Holding Brake
The "B" in the model suffix indicates this unit includes a 24V DC holding brake, making it ideal for vertical axis applications where the load must be held in position when the servo is disabled.
Prevents load drop in vertical applications (Z-axis, lifting mechanisms)
No external brake mechanism required
Automatic engagement when power is removed
Essential for CNC machine tools and robotics applications
High-Speed Operation
With a maximum speed of 4500 RPM (rated speed 3000 RPM), the EMJ-08APB22 can handle high-speed machining and fast positioning applications, improving machine throughput and cycle times.
IP65 Environmental Protection
Rated IP65 as standard configuration, the motor is protected against dust ingress and low-pressure water jets from any direction. This makes the EMJ-08APB22 suitable for:
Dusty factory environments
Machine tool coolant exposure
Food processing machinery applications
Harsh industrial settings
High-Resolution Feedback
The standard 2500 P/R incremental encoder provides precise position and speed feedback for high-resolution control loops. Optional encoder upgrades include:
17-bit absolute encoder (131,072 pulses/rev) - retains position after power loss
Oil seal included as standard - prevents lubricant ingress, suitable for gearbox or pulley-coupled applications
Key-way shaft - positive torque transmission
Fully enclosed construction - reliable operation in demanding environments
Applications
The Estun EMJ-08APB22 is engineered for high-cycle industrial automation applications requiring medium inertia performance and holding brake functionality.
Primary Applications
CNC Machine Tools - Feed axis drives for milling machines, lathes, and routers; successfully integrated with Centroid Acorn6 CNC controllers
Vertical Axis Systems - Lifting/lowering mechanisms, Z-axis stages - the holding brake prevents load drop when power is removed
Robotics - Small to medium robotic arms, articulated joints, and pick-and-place systems
Packaging Machinery - Wrapping, filling, and labeling equipment requiring precise torque control
Additional Applications
Textile Machinery - High-speed winding, spinning, and yarn tension control systems
Semiconductor Equipment - Wafer handling and inspection systems
Material Handling - Conveyor systems, palletizers, and automated storage/retrieval systems
Food Processing Machinery - IP65-rated construction suitable for wash-down environments
Battery Manufacturing Equipment - Precision positioning for cell assembly
General Automation - Assembly line indexers, positioning stages, and factory automation systems
Compatibility & System Integration
Matching Servo Drives
Driver Series
Model
Description
ProNet-E Series
ProNet-E-08A
Pulse train position control, cost-effective - field-proven with Centroid Acorn6
ProNet Series
ProNet-08A, ProNet-08AMA
Analog/pulse control type, advanced tuning features
ETS Series (2-axis)
ETS-10-10A-PC-CAN
Two-axis drive, CANopen communication, saves panel space
Pulse train - Position control with line driver or open collector inputs
Wiring & Installation Notes
Do not connect the servomotor directly to the local electrical network - this may result in damage
After power is removed, residual voltage remains in the capacitor. Wait 5 minutes before inspection
Separate high-voltage cables from low-voltage cables to avoid noise interference
Single point grounding required (grounding resistance 100Ω or below)
Holding Brake Configuration
The brake interlock output signal (/BK) controls the brake
Brake timing parameters can be adjusted for servo OFF and alarm conditions
Essential for vertical axis applications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Exporter,Seller,Manufacturer,Trading Company
Year Established:
2013
Total Annual:
2000000-5000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso... Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso...
