Set Point Alarm Relays

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Stay in control of your system with these reliable set point alarm relays. They are extremely compact and have changeover output controls so you can monitor all the process variables with confidence. The compact size means it will take up less space in your application. Big Bear Instruments offers a variety of set point alarm relays manufactured by Knick Interface. When simple monitoring and control of standard signal is important, these set point alarm relays deliver. Sort by series, input type, working voltage, input power, and housing size to find the best match for your application. Find your alarm relay today. If you don’t see what you need, contact customer support for assistance.

  • Knick Interface BasicLine BL550 Set-Point Alarm Relay

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    The BasicLine BL550 is a highly compact setpoint alarm relay with changeover output contacts.  It’s commonly used in simple monitoring and control of standard signals and has NC/NO changeover.  Input signals, switching hysteresis and delay are adjustable using DIP switches.  This Knick unit has 3-way isolation as well as comes with some of the highest reliability in the industry backed by a 3 year warranty.  UL approved and CE compliant.