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Allen-Bradley 1336-RFB-16-A Interference Filter
Allen-Bradley 1336-RFB-16-A
The Allen‑Bradley 1336‑RFB‑16‑A is an input radio frequency interference (RFI) filter from Rockwell Automation’s Allen‑Bradley product line. It is designed for industrial electrical systems to suppress conducted RF noise on power lines, protecting sensitive equipment and ensuring reliable operation in demanding environments.
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1. Overview
The 1336‑RFB‑16‑A is part of the Allen‑Bradley 1336‑RFB series, a family of passive EMC filters engineered to meet the electromagnetic compatibility requirements of industrial applications. Installed at the power input stage, it blocks high‑frequency interference from entering control cabinets and damaging sensitive electronics.
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2. Key Specifications
- Model: 1336‑RFB‑16‑A
- Rated Current: 16A
- Rated Voltage: 200/480 VAC (North American industrial standard)
- Frequency/Power Ratings: Compliant with IEC/EN 61869‑1
- Primary Function: Input RFI filtering for industrial automation systems
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3. Product Features
- High‑Performance Filtering: Effectively suppresses high‑frequency noise, preventing interference with PLCs, drives, and other control devices.
- Industrial‑Grade Reliability: Built to Rockwell Automation’s strict standards for durability in harsh industrial conditions.
- Broad Compatibility: Works seamlessly with Allen‑Bradley control systems such as SLC 500, MicroLogix, and CompactLogix platforms.
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4. Construction and Design
- Core Components: High‑quality inductors and metalized film capacitors for stable filtering performance.
- Housing: Rugged black or gray industrial plastic enclosure with DIN‑rail or panel‑mounting options for easy installation.
- Termination: Bolt‑down or screw terminals for secure connection to the main power line.
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5. Typical Applications
- Industrial Automation Systems: Protects PLCs, variable frequency drives (VFDs), and servo drives from RF interference.
- Electrical Distribution: Installed at the input of distribution panels to shield entire systems from external noise.
- Communication Equipment: Ensures data integrity in environments requiring high electromagnetic compatibility (EMC).
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6. Installation and Maintenance
- Installation: Can be mounted via DIN rail or directly to a control panel. Ensure secure wiring and proper contact with the main power lines.
- Maintenance: As a passive device, no regular maintenance is required. Periodically check for loose connections or signs of damage during routine system inspections.
- Notes: Follow polarity markings (if applicable) and ensure the rated current matches the application load to prevent overheating or failure.
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