ABB RA4 Series Interface Relay, PCB Mount, 24V Coil, SPST

This interface relay is a compact solution designed to handle 24V DC control signals from PLCs or similar sources. The RA4 Series product is equipped with a NO contact and is ideal for operating the coils of contactors such as AF09 to AF96. With overall dimensions of 31.16 x 44.8 x 40.5mm, it mounts easily on a PCB, allowing for efficient integration into various applications.

• Low-power 24V DC coil for efficient operation
• Simple installation by clipping onto contactors
• Accepts a wide range of control signals starting from 20 mA
• Supports monitoring control voltages up to 250V AC
• Robust design operates in temperatures from -40°C to +70°C
• Screw terminal connections for secure and reliable wiring

• Used with AF09 to AF96 contactors for reliable control
• Ideal for automation systems requiring low-power signalling
• Suitable for various industrial environments with temperature variations
• Employed in mechanical systems needing efficient relay solutions

The device can achieve a maximum electrical switching frequency of up to 600 cycles per hour, ensuring swift control response in dynamic applications.

Its compact design allows for easier clip-on mounting directly on contactors, reducing wiring and assembly requirements, thus saving time during setup.

It features screw terminals, allowing for solid connections with flexible and rigid wiring. This design ensures dependability in electrical performance and ease during installation.