Brand: Dold Item: Relay Mounting: 35mm DIN rail Connector Type: Screw terminal(s) Indicator: LED Protection Type(s): phase reversalphase lossphase unbalance Relay Configuration: SPDT Relay Type: Phase monitor Number of Phases: 3 Contact Rating: 5A Relay Housing Type: Finger-safe Input Voltage: 175-525 VAC Dold phase monitor relay, 3-phase, 35mm DIN rail mount, 175-525 VAC input voltage, SPDT, 5A contact rating, screw terminal(s), LED indicator(s), phase reversal, phase loss and phase unbalance protection.