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The ABB 1SNA645571R0000 interface relay RBR121-24VDC is a boxed interface relay with spring terminals, designed for snap-on mounting onto a DIN Rail. It features a SPDT contact form and a coil voltage of 24 VDC. The relay is soldered into the device housing, ensuring high resistance against vibration.
The ABB 1SNA645571R0000 interface relay is ideal for various industrial applications requiring reliable signal switching and DIN rail mounting.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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