MR-JE-70AS MITSUBISHI

MR-JE-70AS 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 typically paired with Variable Frequency Drives (VFDs), servo amplifiers, and power supplies to ensure that the equipment complies with international EMC standards. By filtering out high-frequency interference, these modules protect sensitive control circuits and prevent the distortion of the electrical grid.

Product Parameters

The technical performance of a Mitsubishi Filter Module is defined by its ability to attenuate noise across specific frequency spectrums:

• Rated Current Capacity: Available in various ratings to match the connected load, ranging from small 5A units for micro-drives to over 1000A for large industrial inverters.

• Rated Voltage: Designed for standard industrial power systems, typically supporting 200V-240V AC (single or three-phase) and 380V-480V AC (three-phase).

• Insertion Loss: High attenuation performance, often exceeding 40dB to 60dB in the radio frequency range (150kHz to 30MHz).

• Leakage Current: Engineered to maintain low leakage levels, often below 3.5mA or 10mA depending on the model, to prevent the nuisance tripping of Residual Current Devices (RCDs).

• Maximum Operating Temperature: Rated for continuous operation in ambient temperatures up to 50°C or 60°C without significant derating.

• Terminal Type: Features high-quality screw terminals or busbar connections designed for secure, low-resistance wiring.

Product Advantages

Mitsubishi Filter Modules provide essential benefits for the stability and compliance of automated systems:

• Regulatory Compliance: Installing these modules allows machinery to meet strict CE, UL, and localized EMC directives by significantly reducing conducted emissions.

• Equipment Longevity: By smoothing out voltage spikes and high-frequency noise, the filter reduces the stress on the insulation of motor windings and internal electronic components.

• Signal Integrity: They prevent "cross-talk" between power cables and sensitive communication lines, ensuring that PLC signals and encoder feedback remain clean and error-free.

• Compact Footprint: Many Mitsubishi filters are designed with a "footprint" shape, allowing the drive or inverter to be mounted directly on top of the filter to save space inside the control cabinet.

• Robust Construction: Encased in durable metal housings that provide excellent shielding and heat dissipation, ensuring reliability in vibration-prone industrial environments.

Product Applications

These modules are indispensable in environments where electrical noise can disrupt production or violate utility regulations:

• Servo Systems: Used in high-precision motion control where electrical noise could cause positioning errors or jitter in robotic arms and CNC machines.

• HVAC and Building Automation: Reducing harmonics in large fan and pump motors to prevent interference with building communication networks and office equipment.

• Renewable Energy: Filtering the output of solar inverters and wind turbine converters before the energy is fed back into the public utility grid.

• Medical Facilities: Ensuring that industrial-grade equipment like hospital laundry or ventilation systems does not interfere with sensitive diagnostic imaging tools.

• Commercial Elevators: Suppressing the switching noise generated by high-power hoist inverters to ensure smooth operation and compliance with residential noise standards.

Important Precautions

To ensure maximum noise suppression and operational safety, the following guidelines must be followed:

• Proper Grounding: The metal case of the filter module must have a solid, low-impedance connection to the system's common ground plate. Paint should be removed from the mounting surface to ensure a "metal-to-metal" contact.

• Wiring Separation: Keep the input wires (the "clean" side) and the output wires (the "noisy" side) strictly separated. If these wires are bundled together, the noise will simply bypass the filter through electromagnetic coupling.

• Cable Length: The distance between the filter and the drive should be as short as possible. Using long cables between the filter and the inverter reduces the filter's effectiveness.

• Heat Dissipation: Filters can become warm during operation due to internal losses. Ensure there is adequate clearance around the module for airflow and do not mount it near other high-heat components.

• Voltage Matching: Never use a filter rated for 200V on a 400V system. This will lead to the immediate breakdown of the internal capacitors and poses a significant fire and explosion risk.

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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