Voltage Monitoring Relay Dimensions W x H x D: 22.5 x 92 x 91 mm Start delay: 0.1...20 s Voltage measurement range, AC: 17...275 V Switching hysteresis: 0.1...150 V Assembly type: DIN-Rail Operating voltage type: Single Phase Output contact: 1 Change-Over (CO) Operating voltage: 17...275 VAC/DC
Siemens 3UG4633-1AL30, Digital Monitoring Relay Voltage Monitoring, 22.5 Mm From 17 To 275 V Ac/Dc Over- And Undershoot Internal Power Supply Dc And Ac 50 To 60 Hz Spurious Peak Lag 0.1 To 20 S Hysteresis 0.1 To 150 V 1 Changeover Contact With Or Without Error Memory Screw Terminal Replacement Product For 3Ug3534, 3Ug3535