RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS PRO Phase Monitoring Relays

RS PRO is proud to present a complete range of phase monitoring relays designed for 3 phase systems. Each monitor relay is packed with excellent features to ensure effective protection against all types of low voltage faults. These compact high-quality monitoring devices offer over-voltage and under-voltage protection, protect against voltage phase sequence, phase loss, and phase asymmetry.

Key Features

• Phase Failure Relays


• Compatible with 3 or 4 wire application


• Switchable by a dip switch


• Selectable supply voltage


• Adjustable under and over voltage set points


• Selectable ON/OFF time delays


• LED Indication


• Compact housing

Specifications

• Compact width: 17.5 mm


• Multi-Voltage: Three Phase 3 Wire @ 208-480


• VAC or Three Phase 4 Wire @ 120-277 VAC


• Can be configured for 3 Phase 3 Wire or 3 Phase 4 Wire system


• Protection against Phase loss, Phase Sequence, Phase Asymmetry, Under Voltage & Over Voltage


• Selectable Under Voltage / Over Voltage, Asymmetry and Phase Sequence


• LED Indication for all Faults & for change in dip switch settings during runtime for better security Adjustable ON/OFF Time Delay in seconds minutes


• 1 C/O Configuration

Connection

• Connection for supply voltage and relay is illustrated on the side of the device.

RS PRO Phase Monitoring Relay Variants

• 208-480 VAC, UV/OV, Phase Loss, Phase Sequence, Phase Asymmetry Monitoring, 1 C/O = RS stock no: 223-7791


• 415 VAC (3P, 3W) / 240 VAC (3P, 4W), UV/OV, Phase Loss, Selectable Phase Sequence, Phase Asymmetry, 1C/O = RS stock no: 223-7792


• 415 VAC (3P, 3W) / 240 VAC (3P, 4W), UV/OV, Selectable Phase Sequence & Phase Asymmetry, ON Delay and OFF Delay (in sec/min), 1C/O = RS stock no: 223-7794


• 415 VAC (3P, 3W), Phase loss Monitoring, 1 C/O = RS stock no: 223-7795

Application

• Switchgear


• Control Gear


• Machine Control


• Mains Distribution Systems

RS PRO Datasheet