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Monitoring relays

Monitoring relays are -as the name suggests-, relays for monitoring various functions in an electrical system. The functions of the monitoring relays are divided into different areas, where a monitoring relay can also cover different functions (multifunction monitoring relay), or only one function (single monitoring relay). Usually monitoring relays are used for current monitoring (current monitor), voltage monitoring (voltage monitor), insulation monitoring, motor load monitoring, temperature monitoring, contact protection, level monitoring and other areas. You can also select the respective functions on the left in our filter. Also crucial is, of the monitoring in a 1 phase network or in a 3 phase network to be used. For more information, please read at the selected product, or feel free to call us

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  • RPN-1VFT-A400 - Multifunctions monitoring relays 230V

    RPN-1VFT-A400 - Multifunctions monitoring relays 230V

    €18.85
    102695
    Multifunctions monitoring relays (AC voltage monitoring in 3-phase network - 3(N)~ 400/230 V) • Monitoring of phase failure, asymmetry, phase sequence
    Quantity Unit price
    1 €18.85
    5 €17.91
    10 €16.97
    shipping appr. 5 - 7 Days
    648 Items
  • RPN-1VFS-A400 - monitoring relay 3-Phase 230V 400V

    RPN-1VFS-A400 - monitoring relay 3-Phase 230V 400V

    €17.95
    102693
    Multifunctions monitoring relays - AC voltage monitoring in 3-phase network - 3(n)~ 400/ 230 V.
    Quantity Unit price
    1 €17.95
    5 €17.05
    10 €16.33
    shipping appr. 5 - 7 Days
    283 Items
  • MR-GT2P-TR2 - Monitoring relay 12V - 400V AC 2 CO contacts with LED display

    MR-GT2P-TR2 - Monitoring relay 12V - 400V AC 2 CO...

    €52.70
    100715
    Monitoring relay, MR-GT2P-TR2 - Monitoring of motor temperature. 2 CO ( DPDT ), 12...400V AC, operating temperature °C -25...+55, mounting on 35 mm rail.
    Quantity Unit price
    1 €52.70
    5 €51.12
    10 €49.54
    shipping appr. 5 - 7 Days
    59 Items
  • MR-GI1M2P-TR2 - monitoring relay 2 CO 12 to 230V AC 1 Phase

    MR-GI1M2P-TR2 - monitoring relay 2 CO 12 to 230V AC 1 Phase

    €69.90
    100713
    Multifunction Monitoring relays, MR-GI1M2P-TR2 - AC and DC current monitoring in 1-phase network, with adjustable thresholds. 2 CO ( DPDT), 12...400V AC, Operating temperature °C -25…+55, mounting on 35 mm rail
    Quantity Unit price
    1 €69.90
    5 €67.80
    10 €65.71
    shipping appr. 5 - 7 Days
    70 Items
  • MR-EU31UW1P - Monitoring relay 1 CO, 250V AC, Class III

    MR-EU31UW1P - Monitoring relay 1 CO, 250V AC, Class III

    €48.90
    100711
    Monitoring relays, Class III, AC Voltage monitoring in 3-phase and 1-phase network, with adjustable thresholds . 1 CO ( SPDT), monitoring voltage, Operating temperature °C -25…+55, mounting on 35 mm rail
    Quantity Unit price
    1 €48.90
    5 €47.43
    10 €45.97
    shipping appr. 5 - 7 Days
    20 Items
  • MR-EU1W1P - monitoring relay 1 CO 1 Phase 24V DC 230V AC DC

    MR-EU1W1P - monitoring relay 1 CO 1 Phase 24V DC 230V AC DC

    €48.50
    100710
    Monitoring relays, MR-EU1W1P - AC and DC voltage monitoring in 1-phase network, with adjustable thresholds. 1 CO ( SPDT), monitoring voltage, Operating temperature °C -25…+55, mounting on 35 mm rail
    Quantity Unit price
    1 €48.50
    5 €47.05
    10 €45.59
    shipping appr. 5 - 7 Days
    28 Items
  • MR-EI1W1P - Multifunctions monitoring relays, 230V AC 1CO 1 Phase network

    MR-EI1W1P - Multifunctions monitoring relays, 230V AC 1CO...

    €49.95
    100708
    Multifunctions monitoring relays MR-EI1W1P - AC current monitoring in 1-phase network, with adjustable thresholds and adjustable hysteresis. 1 CO ( SPDT), 230V AC , Operating temperature °C -25…+55, mounting on 35 mm rail
    Quantity Unit price
    1 €49.95
    5 €48.45
    10 €47.45
    Last items in stock
    4 Items
  • RPN-1VFR-A400 - monitoring relay 3Phase 400V 230V

    RPN-1VFR-A400 - monitoring relay 3Phase 400V 230V

    €19.50
    102694
    Multifunctions monitoring relays - AC voltage monitoring in 3-phase network- 3(N)~ 400/230 V.
    Quantity Unit price
    1 €19.50
    5 €18.72
    10 €17.55
    delivery appr. 2 weeks
    0 Items