3RU1126-4BB0 SIEMENS Filter Module

Description

3RU1126-4BB0 SIEMENS Filter Module

Product Dimensions：

Product Description

A Siemens filter module acts as a protective barrier between the power supply and the automation equipment. It is engineered to filter out unwanted electrical noise and harmonics that can disrupt signal integrity or damage internal components. These modules are typically installed on the input side of power supplies, motor starters, or frequency converters to ensure that the entire system complies with international EMC standards. By stabilizing the electrical environment, they prevent erratic behavior in controllers and communication lines.

Product Parameters

The technical specifications of these modules are tailored to handle industrial electrical loads and include:

• Rated Voltage: Support for standard industrial ranges, including single-phase and three-phase AC or DC systems.

• Rated Current: Scalable capacities to match the power requirements of the connected loads.

• Attenuation Characteristics: High insertion loss across a wide frequency spectrum to effectively dampen EMI.

• Leakage Current: Optimized designs to keep leakage currents within safety limits while maintaining filtering efficiency.

• Mounting Type: Standard DIN rail mounting or direct screw-on options for cabinet integration.

• Operating Temperature: Built to operate in high-temperature environments typical of industrial control cabinets.

Product Advantages

• Enhanced System Stability: By reducing electrical noise, these modules prevent CPU crashes, sensor errors, and communication failures.

• Regulatory Compliance: Helps machinery and control panels meet mandatory EMC directives and certification requirements.

• Component Longevity: Protects downstream electronics from high-frequency transients, effectively extending the service life of the equipment.

• Space-Saving Design: Compact footprints allow for high-density installation within crowded electrical enclosures.

• Simplified Engineering: Perfectly matched with other Siemens automation components, ensuring easy selection and installation without complex calculations.

Precautions for Use

• Proper Grounding: The effectiveness of a filter module is highly dependent on a low-impedance connection to the functional earth; improper grounding can render the filter useless.

• Wiring Separation: Input (unfiltered) and output (filtered) cables should be routed separately to prevent “cross-talk” where noise bypasses the filter through induction.

• Current Rating: Never exceed the rated current of the module, as overheating can lead to internal component failure or fire hazards.

• Mounting Proximity: Filters should be installed as close as possible to the source of interference or the device being protected.

• Voltage Symmetry: For three-phase filters, ensure voltage balance to prevent neutral point shifts that could affect filtering performance.

Product Applications

• Power Supply Conditioning: Filtering the incoming mains power for sensitive PLC racks and Human Machine Interfaces (HMIs).

• Drive Systems: Suppressing the high-frequency switching noise generated by variable frequency drives (VFDs) to protect nearby control logic.

• Precision Measurement: Ensuring a “clean” electrical environment for high-accuracy analog signals and weighing systems.

• Telecommunications Protection: Shielding communication gateways and industrial routers from power-line interference.

• Industrial Cabinet Construction: Serving as a standard entry-point protection for complex control panels in manufacturing plants.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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