SF4D-DC48V

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Power relays are typically used to switch circuits for a variety of applications ranging from controlling household appliances to industrial equipment. The SF4D-DC48V is an SPDT (single pole double throw) power relay that is ideal for use in a variety of applications. This article will explain the application field and working principle of the SF4D-DC48V power relay and how it is used in over 2 amps applications.

The SF4D-DC48V power relay is designed to switch two separate circuits, each of up to 8 amps. It has a robust construction and is rated for continuous operation. With a maximum switching voltage of 48V DC, it is ideal for a range of applications, such as controlling motors, lights, pumps, solenoids, and more. The power relay is also designed with gold-plated contacts and is engineered to meet UL and CSA standards.

The SF4D-DC48V power relay is designed for reliable and robust operation. It has a high-performance coil designed to reduce heat, and it is designed with a thermally insulated base to reduce thermal cycling. The relay also features a dielectric strength of 3000Vrms across the coil, ensuring that the relay remains protected from voltage spikes. The relay also features a dielectric strength of 1000Vrms between the contacts, and a surge voltage of 6000Vp-p.

In operation, the SF4D-DC48V power relay is energized by applying a 48V DC voltage to the coil. When the coil is energized, the armature lifts and a contact bridge is established between the two sets of contacts. This bridge can carry currents of up to 8 amps for each side, allowing the relay to switch two separate circuits. When the power is removed, the armature will drop and the contact bridge will be broken, stopping current flow.

The SF4D-DC48V power relay is ideal for use in applications with loads exceeding 2 amps. It is a reliable and robust solution for switching circuits, and its operations are fast and efficient. With its outstanding power, thermal insulation, and vibration resistance, it is an ideal solution for a variety of industrial applications.

In summary, the SF4D-DC48V power relay is an excellent choice for applications with currents of up to 8 amps. It is robust and reliable, with a high-performance coil and thermally insulated base. It is designed with gold-plated contacts and is rated for 3000Vrms dielectric strength across the coil, as well as a surge voltage of 6000Vp-p. Its robust construction and fast operation make it an ideal choice for applications with currents exceeding 2 amps.

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