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Moeller

  • Overview
  • Control Indication
    • RMQ Titan, RMQ 16
    • SL Signal Tower
    • Electronic position switch
    • Mechanical position switches
    • T Rotary Switches & P Switch disconnector
  • Control & Visualisation
    • Timing relays ETR
    • Safety Relay ESR
    • Measuring & Monitoring Relay –EMR
    • Easy Control Relay
  • Switching Protecting and Driving Motors
    • DIL contactors, 3-pole
    • DIL contactors, 4-pole
    • DIL E mini contactor relay
    • DIL A contactor relay
    • Motor Protective Relay
    • Motor-protective circuit-breakers
    • Motor starters MSC
  • Power Distribution
    • MCB
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Home Moeller Control & Visualisation Measuring & Monitoring Relay –EMR
Measuring & Monitoring Relay –EMR

Overview

Measuring & Monitoring Relay –EMR

EMR4 Measuring and Monitoring Relays

Measuring and monitoring relays are required for the most varied range of applications.

EMR4 range measuring and monitoring relays cover a wide range of applications: Current monitors for universal use, phase monitors for monitoring destruction/damage protection for individual system sections, phase sequence relays monitoring the rotating field, unbalance relays for reliable phase loss detection, multifunctional three-phase monitors, asymmetric phase monitoring relays in a single device, level monitoring relays for monitoring fill levels and earthleakage monitors for enhanced operational safety.

All relays are devices for world markets to IEC/EN 60947 and UL/CSA approval.

Many relays feature multi-voltage coils. This simplifies stock keeping and enhances the flexibility when reacting to customer requirements.

EMR4-F500-2 Phase SequenceRelay

Product Category : Measuring & Monitoring Relay –EMR
EMR4-F500-2 Phase SequenceRelay

Phase Sequence Monitoring with a Compact Device

The EMR4-F500-2 phase sequence relay with its compact 22.5 mm width is used for monitoring the clockwise rotation of movable motors for which the phase sequence is important, such as with pumps, saws, drilling machines. Benefits: Additional space in the control panel thanks to the narrow width Protection against damage by means of phase sequence monitoring

A clockwise phase sequence causes the changeover contact to enable the control voltage for the motor switchgear. The EMR4-F500-2 covers the entire voltage range from 200 V AC to 500 V AC

 

Features

  • Phase sequence detection
  • Phase loss detection at U < 0.6 x Ue
  • LED status indication
  • The relay has its own power supply, i.e. an additional supply voltage is not required

The relay features a second changeover contact that is used for indication purposes

EMR4-I Current Monitor

Product Category : Measuring & Monitoring Relay –EMR
EMR4-I Current Monitor

For Universal Use

The EMR4-I current monitors are suitable for both AC and DC monitoring tasks. The selectable lower or upper tripping limit means that they can be used for the underload or overload monitoring of pumps and drilling machines.

They are available in two versions, each with three measuring ranges (30/100/1000 mA, 1.5/5/15 A). The multi-voltage coil allows these relays to be used for a wide range of applications. The second changeover contact is provided for direct status indication.

Selective bridging of transitory current peaks

The on-delay can be selected between 0.05 s – 30 s in order to bridge transitory current peaks.

Features

  • On-delay 0.5 s – 30 s
  • LED status indication
  • Measuring range 0.003 A –1 A or 0.3 A –15 A
  • Measuring range can be extended with current transformer or shunts

The relay features a second changeover contact that is used for indication purpose

dse
kmniaga Jean Muller
ANV erico
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