Eaton Klockner Moeller MEASURING & MONITORING RELAYS

• Monitors the level of conductive liquids
• Monitors the ratio of mixtures of conductive liquids
• Selectable: protection against running dry or overflowing

• Monitors the level of conductive liquids
• Monitors the ratio of mixtures of conductive liquids
• Selectable On-delay or Off-delay between 0.5 – 10 s

Monitors the insulation resistance between non-earthed AC supply systems and the protective conductor/earth

• Tripping function memory
• Insulation monitoring in 1- and 3-phase AC supply systems
• Test via local test button or remote test operation
• Status indication via LEDs to VDE 0413 / Part 2

Monitors the insulation resistance in non-earthed DC supply systems

• Selector switch for open- or closed-circuit principle
• With test and reset facilities
• Status indication via LEDs

• Switching hysteresis adjustable from 5 – 30 %
• Response delay 0.1 – 30 s
• EMR4...-A: monitors one upper or lower limit
• EMR4...-B: monitors one upper limit
• Extension of the measurement range possible
  with current transformers

• Monitors three-phase systems for phase sequence and phase failure
• Supply voltage = voltage being monitored

• Monitors three-phase systems for phase imbalance
• Detects phase failure even at 95% voltage feedback from the motor
• Response delay: 0.5 s
• Phase imbalance response threshold adjustable from 5 – 15 %
• Phase sequence detection
• Supply voltage = voltage being monitored

• Monitors three-phase systems for phase sequence, over- and undervoltage and phase failure (< 0.6 x Ue)
• 3-phase voltage monitoring within a range
• Selectable On-delay or Off-delay (0.1 – 10 s)