RS PRO Monitoring Relay, 3 Phase, 120/480 V ac Monitor Range, SPDT, DIN Rail, 0 V ac

View all Monitoring Relays

Subtotal (1 unit)*

£100.17

(exc. VAT)

£120.20

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 51 unit(s) ready to ship
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£100.17

*price indicative

RS Stock No.:
223-7791
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Product Type

Monitoring Relay

Function

Undervoltage Monitoring

Electrical Phase

3

Contact Configuration

SPDT

Mount Type

DIN Rail

Power Consumption

16VA

Terminal Type

Screw

IP Rating

IP30, IP20

Supply AC Voltage

0 V ac

Contact Current

5A

Minimum Operating Temperature

-20°C

Monitoring Voltage Range

120/480 V ac

Maximum Operating Temperature

60°C

Height

90mm

Length

66mm

Series

MAG0

Standards/Approvals

No

Width

18 mm

COO (Country of Origin):
IN

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

    • Related links