Braking resistors for inverters are used to dissipate energy during braking phases. Depending on the application, solutions with different electrical and construction characteristics may be required. When the inverter manufacturer or resistor reference is already known, Fairfild provides a Cross Reference that allows users to consult the matches available on the website and verify the [...]

Resistor for Capacitors: Fairfild Solutions for Charging and Discharging Capacitors are energy-storage devices capable of storing energy within an electric field through conductive plates separated by a dielectric material. Their main purpose is to add capacitance to an electrical circuit. During charging and discharging operations, however, dedicated resistors are required to protect both the capacitor [...]

Neutral Grounding Resistor: What Is a Neutral Grounding Resistor Used For? Equipment safety is a fundamental aspect of electrical power system management. In the event of a fault, power transformers, generators and other electrical components may be exposed to potentially serious damage. To keep the current within safe limits, a neutral grounding resistor can be [...]

Dynamic braking resistor in flat metal housing: focus on the RFD 200 The Fairfild RFD 200 is a resistor in a flat metal housing used as a dynamic braking resistor and as a capacitor charging and discharging resistor in RC circuits. The product belongs to the industrial automation and energy sectors, two areas in which [...]

Heating resistor for electrical panels: applications of the RSN TC 25 The Fairfild RSN TC 25 is a resistor from the RS family also suitable for heating applications in electrical panels and for anti-condensation function. The product can be used in contexts where the electrical panel requires a resistor dedicated to heating or condensation management, [...]

Resistor for resistive loads and dynamic braking: applications of the RDP 5000 The Fairfild RDP 5000 is a resistor from the RDP family suitable for applications with high energy loads and heavy overloads. It is used in the industrial automation and energy sectors, particularly as a dynamic braking resistor, as a capacitor charging and discharging [...]

Dummy Load Resistors: Technical Physics applied to Electrical Power Thermal Dissipation during testing and commissioning phases In the electrical engineering, power electronics, and telecommunications sectors, the testing and verification phase of systems represents a critical moment for ensuring the safety, efficiency, and reliability of high-tech circuits. During the testing of generators, amplifiers, inverters, or base [...]

Industrial Power Resistors: Technological Partner for Power Electronics Efficiency, operational continuity, and reliability of electrical systems represent the critical factors that determine the competitiveness of companies on the international market. When it comes to managing, testing, or dissipating electrical energy in demanding contexts, identifying an industrial resistor manufacturer with proven experience becomes a strategic choice [...]

Braking rheostats and braking resistors: what they are and how they work In the field of industrial automation and electric propulsion, motion control represents one of the most significant engineering challenges. In technical jargon, the term ‘braking resistor’ is often used to refer to systems designed to manage excess energy. Although this term evokes traditional [...]

Capacitor discharge resistors: Ensuring safety in electrical installations In many industrial sectors, from electric traction to renewable energy management, capacitor banks play a vital role in phase shifting and filtering. However, once the power supply is cut off, these components can retain a residual charge that is extremely dangerous for operators and for the integrity [...]