3-phase sequence and phase loss monitoring relay with 208 to 480VAC supply range.
3-phase sequence and phase loss monitoring relay with switching power supply and 125 to 624VAC range.
3-phase monitoring relays for phase sequence and phase loss with undervoltage detection.
3-phase monitoring relays for phase sequence and phase loss with nominal voltage selection.
3-phase over and under voltage, phase sequence and phase loss monitoring relay.
3-phase or 3-phase + neutral line voltage monitoring relay for phase sequence, phase loss and asymmetry with built-in time delay function.
3-phase mains monitoring relay for phase sequence and phase loss, overvoltage and undervoltage, voltage asymmetry and tolerance.
AC/DC over voltage monitoring relay, selection of measuring range by DIP-switches.
DC under voltage monitoring relay, measuring if power supply is below the set level.
One-phase, TRMS AC/DC overvoltage or undervoltage monitoring relays, selectable by DIP switch.
One-phase, TRMS AC overvoltage or undervoltage monitoring relays, selectable by DIP switch.
One-phase, TRMS AC/DC overvoltage or undervoltage monitoring relay with selectable measuring range.
