BL 550 setpoint alarm relay comes in a 6 mm DIN rail housing with a potentiometer on the front for free adjustment of the switching thresholds.
January 15, 2015 - Knick releases BL 550 setpoint alarm relay for standard signal monitoring and control. The compact device comes in a 6 mm DIN rail housing with a potentiometer on the front for free adjustment of the switching thresholds.
0-20 mA, 4-20 mA, or 0-10 V input signal ranges, switching hysteresis, and delay are set via DIP switches. The changeover relay allows for the output to be used both with load and no-load currents..
The BL 550 set-point alarm relay is CE-compliant and UL-certified. Knick provides a three-year warranty on the device
