MDMF402L1H6M Panasonic A6 4000W Motor + BRK , Torque Nm - 19.1, RPM - 2000

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MDMF402L1H6M Panasonic A6 4000W Motor + BRK , Torque Nm - 19.1, RPM - 2000 Specification

Sealed Type
Packing seal

Product Type
Servo Motor

Color
Black and Silver

Usage & Applications
Industrial Machinery

Weight
18 Kilograms (kg)

Warranty
1 Year

Phase
Three Phase

Material
Aluminum

MDMF402L1H6M Panasonic A6 4000W Motor + BRK , Torque Nm - 19.1, RPM - 2000 Trade Information

Minimum Order Quantity
1 Number

Delivery Time
24 Hours

About MDMF402L1H6M Panasonic A6 4000W Motor + BRK , Torque Nm - 19.1, RPM - 2000

The Panasonic MDMF402L1H6M is the 4.0 kW Middle-Inertia AC servo motor equipped with an integrated holding brake. It is a heavy-duty powerhouse designed for high-load applications where vertical safety and mechanical stability are critical.

Technical Specifications

Based on official data from Panasonic Industry and retailers like Industrybuying:

Feature	Specification
Rated Output	4000 W (4.0 kW)
Rated Torque	19.1 Nm
Peak Torque	57.3 Nm
Rated / Max Speed	2000 RPM / 3000 RPM
Voltage	200 V AC
Encoder	23-bit Absolute/Incremental (8.38 million pulses/rev)
Brake Torque	25.0 Nm or more (Static friction)
IP Rating	IP67 (Dust-tight and waterproof)

Physical Dimensions & Weight (Inches & Lbs)

Because this motor combines a 4kW stator, a middle-inertia rotor, and a large brake assembly, it is significantly heavy and uses the large 176mm flange.

Weight: Approximately 39.68 lbs (18.0 kg).
Width & Height (Flange): 6.93 inches (176 mm square).
Length (Total Body): Approximately 8.82 inches (224 mm).
Shaft Diameter: 1.378 inches (35 mm).

Function

Fail-Safe Vertical Security: The primary function of the holding brake is to lock the shaft when power is cut, preventing heavy machine parts (like a large spindle or robotic arm) from falling due to gravity.
High-Torque Stability: The "Middle-Inertia" rotor acts as a stabilizer. It is designed to move high-mass loads smoothly, eliminating the vibration that occurs when using lighter motors on heavy machinery.
Precision Actuation: Despite its brute force, the 23-bit encoder allows for micron-level positioning accuracy in high-end CNC and industrial robotics.

Compatible Drivers

This motor requires the 4.0 kW "G-Frame" drivers:

Multifunction: MFDLTB3SF
Basic / Position: MFDLNB3SE

The primary function of the Panasonic MDMF402L1H6M is to provide maximum holding power and high-torque stability for the heaviest industrial loads. It is a "heavy-duty" unit designed specifically for safety and control in large-scale machinery.

1. Fail-Safe Vertical Locking (Holding Brake)

The "H" in the model indicates a built-in electromagnetic holding brake.

Gravity Defense: Its most critical job is to prevent massive machine parts (like a heavy cutting head on a large CNC or a vertical industrial elevator) from falling when power is lost.
Power-Off Engagement: The brake is a "fail-safe" type; it is automatically locked by internal springs. You must apply 24V DC to release it.
Strong Holding Force: With a static torque of 25.0 Nm, the brake is much stronger than the motors rated running torque (19.1 Nm), ensuring the load stays "frozen" even under high stress.

2. High-Torque Force (Heavy Duty Output)

This motor focuses on brute strength rather than just high RPM.

Constant Push: It delivers a steady 19.1 Nm of torque (surging to 57.3 Nm peak). This allows it to move heavy loads that require massive force to start, such as large-diameter ball screws or heavy gearboxes.
Applications: It is the standard choice for large-scale CNC gantries, heavy material handling, and industrial spinning/winding machinery.

3. "Middle-Inertia" for Load Matching

The internal rotor is physically heavier to act as a mechanical stabilizer.

Stability: Moving a massive object with a lightweight motor causes "hunting" (vibration as the motor tries to find its position). This motor's middle-inertia rotor provides a better balance for high-mass loads, leading to smooth, steady motion.
Shock Absorption: It absorbs mechanical feedback from the load, protecting the internal components during rapid starts and stops of heavy parts.

4. Surgical Precision

Despite its size, it maintains extreme accuracy:

23-bit Feedback: It tracks its position within 8,388,608 steps per turn. This ensures that even when moving a load weighing several hundred kilograms, the machine can land within microns of its target.
3.2 kHz Response: It communicates with its driver 3,200 times per second to instantly correct any deviations in speed or position.

5. Rugged Industrial Protection

IP67 Rating: It is functionally sealed against dust, oil mist, and water splashes, making it a reliable component for harsh factory floors where coolant and metal shavings are present.