NBM-20-221-D

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Power line filters are used to protect electrical equipment from EMI/RFI signals and common-mode currents. These modules, commonly referred to as PLFs, can be used in a variety of applications, including medical, industrial, and power line communications. While all power line filters offer basic protection, some offer additional features that may require specific selections or customization.

NBM-20-221-D Application Field and Working Principle

The NBM-20-221-D is a power line filter module designed to filter high-frequency common mode corrosive noise from the power line. The module\'s unique design allows for maximum performance in compact spaces, making it ideal for applications where space is limited. This power filter module is also suitable for protecting sensitive electronic equipment from power line transients and noise. It is UL recognized and RoHS compliant.

The NBM-20-221-D is designed for use with single-phase and three-phase power lines ranging from 200-600VAC, 50/60 Hz. The module features a differential mode (DM) noise rejection capacitor plus two single-phase capacitors placed in series and parallel for maximum protection. The combination of DM and single-phase capacitance creates a powerful line filter for common mode noise. The module is constructed using a compact metal case that enables heat dissipation and reduces the external magnetic field.

The NBM-20-221-D also has an internal surge protection feature that protects the module and connected equipment from power transients. An internal lightning diversion component and voltage protection component safely re-direct any transient electrical current, minimizing the effects of disturbances caused by lightning strikes or power outages. It also provides transient voltage suppression in the form of a gas tube arrester.

The NBM-20-221-D has robust design features that help ensure its long-lasting reliability. The module is designed to withstand high temperatures, ensuring that its components are not damaged during operation. Additionally, the module is protected against shock and vibration, and is able to handle power frequencies between 50 and 60 Hz.

The NBM-20-221-D is a high-performance, reliable power line filter module designed for a variety of applications. Its features and design make it an ideal addition to any electrical system in need of effective power line filtering. Its wide range of operating temperature and lightning protection make it suitable for a variety of commercial and industrial applications.

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