2903256

Series:	*
Part Status:	Active

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Power Relays, Over 2 Amps

The 2903256 is a small power relay with ratings over 2 Amps. It is designed to provide long life and reliable switching of power circuits. This versatile power relay is suitable for a variety of applications, including control, instrumentation, and automotive.

Application Fields

The 2903256 is a reliable and cost-effective solution for many power applications. It is suitable for many types of applications such as control, instrumentation, and automotive. It is well suited for applications that require high voltages and currents, as well as those that demand long life and reliable switching of power circuits. In addition to its use in these applications, the 2903256 can also be used in other electrical devices such as power supplies, speed controls, and general-purpose relays.

Advantages

The 2903256 relay is designed for reliability and long life. It has a broad range of current ratings, from 0.2 to 10 Amps, and voltage ratings up to 400 Volts. In addition, its contact arrangement allows it to be used in both AC and DC circuits. The relay features a wide operating temperature range (from -40°F to 212°F) and can be operated on signals of either frequency or voltage. Finally, the 2903256 is UL and CSA approved, ensuring safety for many residential, commercial, and industrial applications.

Construction

The 2903256 relay is constructed out of a durable plastic housing. It has a copper coil wrapped around an insulating frame, which serves as the core of the relay operation. A diode is commonly used to protect the relay from voltage transients. The contacts are made of silver-containing alloy with gold plating, Gold is used for its superior conductivity while silver provides additional protection against oxidation. Additionally, the contact-bending spring is constructed of stainless steel, ensuring maximum reliability.

Working Principle

The 2903256 is a small power relay with a working principle based on an electromagnetic attraction/repulsion mechanism. When the energizing coil is connected to an electrical current, the coil develops an electromagnetic field that attracts the armature to the coil. As the armature moves, it creates a connection between the contacts, allowing current to flow through the contacts and activating the relay. When the current supply is removed, the coil\'s electromagnetic force dissipates and the armature is released and the contact returns to its original position, restoring the open contact state.

Conclusion

The 2903256 is a small power relay with ratings over 2 Amps. With its wide range of current and voltage ratings, its long-life construction, and its UL/CSA ratings, it is a suitable choice for a wide range of power applications. Its working principle is based on the electromagnetic attraction/repulsion mechanism, and its performance makes it reliable and durable.

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