Phoenix 2835011

Phoenix 2835011 Filter Modules

Product  Description：

Phoenix Contact Filter Modules, primarily belonging to product families like the TERMITRAB, FILTRAB, or FLASHTRAB series, are specialized industrial components designed to protect sensitive electronic devices from high-frequency interference and transient voltage surges. These modules act as electrical purifiers, suppressing electromagnetic interference (EMI), radio frequency interference (RFI), and voltage spikes on signal, data, and power lines, thereby ensuring the stable operation of automated systems.

Product Parameters

The technical characteristics of Phoenix Contact Filter Modules focus on attenuation capability, voltage ratings, and network compatibility:

• Nominal Operating Voltage: Available across various thresholds, including low-voltage DC rails (5V, 12V, 24V DC) for signals and standard grid options (120V, 230V, 400V AC) for power lines.

• Rated Load Current: Ranges from a few milliamperes (mA) for sensitive measurement loops up to 20 Amperes or higher for power distribution lines.

• Attenuation Characteristics: High-performance noise suppression typically offering up to 50 decibels (dB) or higher of attenuation within the critical 100 kHz to 30 MHz frequency range.

• Discharge Capacity: Surge protection variants feature a nominal discharge current ($I_n$) often rated between 2.5 kA and 10 kA per channel to handle transient spikes safely.

• Connection Technology: Utilizes proprietary Push-in technology or screw terminal blocks, accepting conductor cross-sections from 0.2 square millimeters up to 4 square millimeters.

• Housing and Mounting: Constructed from robust polyamide (PA 6.6) with an IP20 protection rating, designed for standard DIN rail NS 35 mounting inside control panels.

Product Advantages

Phoenix Contact Filter Modules provide significant functional benefits for maintaining signal integrity and hardware longevity:

• Integrated Filtering and Surge Protection: Many models combine a low-pass filter circuit with transient surge protection components (like gas discharge tubes and varistors) to deliver dual-layer defense in a single housing.

• Tool-Free Installation: Push-in connection technology allows for fast, reliable, and vibration-proof wiring without the need for specialized tools, reducing assembly time.

• Compact Space-Saving Profile: Ultra-slim designs, with some signal filters measuring only 6.2 millimeters in width, allow for high-density installation in crowded control cabinets.

• Visual Status Indication: Equipped with mechanical or LED status indicators that provide immediate visual feedback if the protective elements have been degraded by extreme surges.

• Excellent Impedance Matching: Engineered to suppress high-frequency noise without introducing signal attenuation or phase shifts into the operational data frequency band.

Product Applications

These modules are deployed extensively across modern industrial environments to protect critical electronics:

• Control Cabinet Power Supply: Installed directly upstream of sensitive Programmable Logic Controllers (PLCs) and Industrial PCs (IPCs) to filter out grid-borne electrical noise.

• Process Instrumentation Loops: Protecting 4-20mA current loops and temperature sensor lines running between field instruments and the control room in chemical plants.

• Telecommunications and Data Networks: Safeguarding high-speed RS-485, Profibus, or Ethernet communication lines from transient inductive interference caused by nearby heavy machinery.

• Renewable Energy Systems: Protecting the control circuits and monitoring devices inside solar inverter stations and wind turbine nacelles from lightning-induced spikes.

• Water and Wastewater Utilities: Ensuring reliable data transmission from remote pumping stations and flow meters back to a central SCADA system.

Important Precautions

To achieve optimal noise suppression and ensure safe operation, the following guidelines must be followed:

• Strict Grounding Requirements: The module must be snapped securely onto a properly grounded DIN rail, or connected via a low-impedance earth terminal. Without a solid ground path, the module cannot divert interference or surge currents effectively.

• Input and Output Separation: Keep the clean (output) wires physically separated from the noisy (input) wires inside the cable duct. Running them parallel to each other can cause the noise to couple back onto the protected line.

• Current Limitation Compliance: Never exceed the maximum rated load current of the filter module. Overcurrent conditions will cause excessive internal heat generation, potentially destroying the filter circuitry.

• Correct Voltage Alignment: Verify that the operating voltage of the circuit perfectly matches the nominal voltage specified on the module. Applying an incorrect voltage can trigger premature surge clamping or result in component failure.

• Periodic Visual Inspection: Incorporate the filter modules into regular maintenance schedules. If a status indicator shows a fault or degradation, replace the module promptly to ensure continuous system protection.

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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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.