Single and Specialty Function Safety Relays (MSR Family) 440R, Model: MSR138.1, Safety Inputs: 1 N.C., 2 N.C. light curtain, Safety Inputs Immediately: 2 N.O., Safety Inputs Delayed: 2 N.O., Safety Outputs Delayed: 1 N.C., Delay Time: 1.5…30 s, Terminals:

Single and Specialty Function Safety Relays (MSR Family) 440R • Single function and specialty relays • Broad range of input types • Multiple output configurations • Electromechanical or solid-state • Compact housings • Fixed or removable terminals • Safe speed control (MSR57) • Back EMF Monitor (MSR55) • Guardmaster® single function and specialty safety relays support a wide variety of input devices and output configurations. • Ideal for relatively small safety applications and single zone control, these relays are compact packages with removable terminals. • They are also available in electromechanical versions, or solid-state models for applications involving high cycle rates. • Applications include safe speed control (MSR57), Back EMF monitor (MSR55) and safety control circuits involving light curtains, laser scanners, safety mats, interlock switches, guard locking interlocks, two-hand controls, safety edges, enabling devices, and E-stop push buttons.