SR201A02

Power Relays, Over 2 Amps

The SR201A02 is a power relay with a rated current of over 2 Amps (2.7A). It is a form C type contact frame, consisting of two sets of normally open (NO) and normally closed (NC) contacts. It is suitable for applications with low voltage and current requirements, and is available in both PCB mount and surface mount versions. As a power relay, the SR201A02 has a number of features that make it suitable for a range of applications.

Application Field

The SR201A02 is widely used in a variety of different applications, including industrial automation, motor control, HVAC, and other general purpose switchgear. It is particularly suitable for applications that require the control of high current loads, such as motor starters, HVAC equipment, and lighting systems. The SR201A02 can also be used as a safety device in areas where contact failure is unacceptable, such as elevators, door operators, and other critical control system applications.

Working Principle

The SR201A02 is designed to control electric currents in excess of two amperes. Each relay consists of two sets of normally open and normally closed contacts. When power is applied to the SR201A02, an electromagnetic coil causes the contacts to open or close. This action can be used to control the flow of current in a device, allowing the powering and de-powering of devices that consume more than two amperes of electricity.

The SR201A02 includes a number of safety features, including an adjustable trip/delay function that enables the current to flow for a specified length of time before the contacts open. The adjustable time delay feature allows for the use of the SR201A02 in applications that require time-delayed control of motor starters and other electrical components. Additionally, the SR201A02 includes a diode to protect against inductive surges and a capacitor to reduce electromagnetic interference (EMI).

Conclusion

In conclusion, the SR201A02 is an economical, durable high-current power relay. Its high current rating, adjustable time delay, and safety features make it suitable for a wide range of applications. The SR201A02 is a versatile and reliable solution for controlling devices with high current loads.