AL2-24MR-D MITSUBISHI

AL2-24MR-D MITSUBISHI Filter Modules

Product  Description：

Mitsubishi Electric Filter Modules are specialized electromagnetic compatibility (EMC) components designed to suppress electrical noise and harmonic distortion in power electronics systems. These modules are primarily used in conjunction with Variable Frequency Drives (VFDs), servo amplifiers, and power supplies to ensure that high-frequency switching noise does not interfere with sensitive control circuitry or violate grid regulations. By filtering out unwanted electromagnetic interference (EMI), these modules act as a protective barrier that maintains signal integrity and equipment longevity.

Product Parameters

The technical profile of a Mitsubishi Filter Module is defined by its attenuation capabilities and electrical ratings:

• Rated Voltage: Supports a wide range of operating environments, including 200V-240V AC for single-phase systems and 380V-480V AC for three-phase industrial grids.

• Rated Current: Available in various capacities to match the power stage, typically ranging from 5A for small servo drives to over 600A for large-scale inverters.

• Leakage Current: Optimized to stay within safety standards (often below 3.5mA or 10mA depending on the model) to prevent nuisance tripping of Ground Fault Circuit Interrupters (GFCIs).

• Attenuation Frequency Range: Highly effective in the 150kHz to 300MHz range, targeting both conducted and radiated emissions.

• Insertion Loss: Provides high decibel (dB) reduction across the frequency spectrum to ensure compliance with EN/IEC 61800-3 standards.

• Operating Temperature: Designed for industrial durability, typically rated for operation between -25°C and 50°C without derating.

Product Advantages

Mitsubishi Filter Modules provide essential benefits for the stability of automated environments:

• Compliance with Global Standards: These modules allow machines to meet strict EMC directives required for CE, UL, and CSA certifications, facilitating global export.

• Protection of Sensitive Electronics: By suppressing high-frequency noise, they prevent "ghost" signals and logic errors in nearby sensors, PLCs, and communication lines.

• Extended Equipment Life: Reducing the harmonic content and voltage spikes helps prevent the overheating of motor windings and the premature failure of cable insulation.

• Noise Reduction: Significantly lowers the audible and electrical noise generated by high-speed PWM (Pulse Width Modulation) switching in inverters.

• Integrated Design: Many Mitsubishi filters are footprint-type modules, meaning they can be mounted directly behind or beneath the drive to save valuable space inside the control cabinet.

Product Applications

These modules are indispensable in environments where power quality and signal precision are paramount:

• Servo and Motion Control: Preventing interference in high-precision robotic arms and CNC machines where electrical noise can cause positioning errors.

• Industrial Drive Systems: Used with VFDs in fans, pumps, and conveyors to prevent the drive from polluting the factory's main power grid.

• Medical Equipment: Ensuring that power conversion stages do not interfere with sensitive diagnostic imaging or patient monitoring devices.

• Telecommunications: Protecting data centers and communication hubs from the switching noise of large-scale Uninterruptible Power Supplies (UPS).

• Elevator Systems: Reducing electromagnetic radiation in residential and commercial buildings to prevent interference with radio and television signals.

Important Precautions

To achieve effective noise suppression and ensure safety, the following guidelines must be followed:

• Shortest Possible Wiring: The cables between the filter and the drive must be kept as short as possible. Long wires act as antennas and can re-radiate the noise that the filter just removed.

• Correct Grounding: The filter must be mounted on a well-grounded, unpainted metal plate. Ensuring a large surface area contact for the ground is more effective than a single thin wire for high-frequency noise.

• Separation of Input and Output: Never bundle the "Line" (input) and "Load" (output) wires together. If they are placed in the same conduit or tied together, the noise will bypass the filter via electromagnetic coupling.

• Heat Dissipation: Ensure the filter is not mounted in a stagnant air pocket. While they are efficient, filters can generate heat during high-current operation and require adequate airflow.

• Voltage Discharge: Like power supplies, filters contain capacitors. After disconnecting the power, wait several minutes for the internal charge to dissipate before touching the terminals.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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