Name: RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
Brand: RS PRO
SKU: 223-7794
Price: 103.21 GBP
Availability: Discontinued

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

Select all	Attribute	Value
	Brand	RS PRO
	Monitoring Application	Phase
	Electrical Phase	3
	Contact Configuration	SPDT
	Voltage Sensitivity	Overvoltage Protection, Undervoltage Protection
	Mounting Type	DIN Rail
	Dimensions	17.5 x 90 x 66.5mm
	Length	66.5mm
	Maximum Operating Temperature	+60°C
	Terminal Type	Screw
	Width	90mm
	Minimum Operating Temperature	-20°C
	Operating Temperature Range	-20 → +60°C

	Select all
	Brand RS PRO
	Monitoring Application Phase
	Electrical Phase 3
	Contact Configuration SPDT
	Voltage Sensitivity Overvoltage Protection, Undervoltage Protection
	Mounting Type DIN Rail
	Dimensions 17.5 x 90 x 66.5mm
	Length 66.5mm
	Maximum Operating Temperature +60°C
	Terminal Type Screw
	Width 90mm
	Minimum Operating Temperature -20°C
	Operating Temperature Range -20 → +60°C

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