RF1V-3A1B-D24

Power Relays, Over 2 Amps: RF1V-3A1B-D24 Application Field and Working Principle

The RF1V-3A1B-D24 has been designed as a high-power, high-performance power relay. It is designed specifically for applications such as domestic and industrial heating, lighting control, motor control, and other high-current applications.

The RF1V-3A1B-D24 power relay contains an integrated shielded power contactor with double make and break power contactor characteristics, a dual switch integrated into a single package, and an advanced opto-electronic latch circuit for automatic operation.

The dual switch integrated into this power relay is a 1PST-NO (normally open) and 1PST-NC (normally close) and is designed to operate at up to 277 VAC. This allows it to switch up to 24 A of current. Its high-power capacity lets it handle applications normally needing separately mounted contactors.

The RF1V-3A1B-D24 includes an advanced opto-electronic latch circuit that is based on the MOV (Metal Oxide Varistor) protection technique. The latch circuit uses an LED, which is optically isolated from the main circuit board, to control a mechanically operated switch. MOV is used to protect against common-mode transient ripple voltages up to 800 V.

The advanced features of the RF1V-3A1B-D24 make it suitable for applications in heating, motor control, lighting control, HVAC and facility management, and other automated industrial applications. In addition to its high power output, the relay also extends the life-cycle of the contacted switches and contacts up to 200,000 operations and is designed to withstand up to 16 open/closed operations (make/break) per hour.

The RF1V-3A1B-D24 also provides advanced overload protection features, including an internal plug-in fuse, two external plug-in fuses on the output, and a visual LED indicator for fault and power supply supervision. This helps protect the power relay against electrical overload conditions that could damage the contacts on the switch.

The RF1V-3A1B-D24 power relay is suitable for a variety of applications, including lighting control and motor control. It can also be used as an emergency stop button for motor control, as well as safety interlock for entering hazardous areas. In addition, it is used in monitoring systems for controlling and logging of industrial process parameters.

In short, the RF1V-3A1B-D24 is an advanced power relay with multiple functions, making it suitable for high-power applications in various industries. Its high-power output, overload protection features, and long service life make it an ideal choice for applications that require reliable power switching.