189 products

189 products

Measuring and Monitoring Relays

189 products

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  1. CM-MSS.33S Therm. motor protec. relay 2c/o, 110-130VAC/220-240VAC
    1SVR730712R2200
    ₹8,319.60
    The CM-MSS.33S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 110-130 V AC and 220-240 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle. The sensor circuit of this CM-MSS.33S is short-circuit, as well as interrupted-wire monitored and the relay can be reset automatically, manually or remotely after the failure has been removed. This protection relay is certified according to the ATEX directive 94/9/EC and is equipped with a reset / test button. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  2. CM-PBE Phase loss monitoring relay 1n/o, L1,2,3= 380-440VAC
    1SVR550882R9500
    ₹3,865.00
    Phase loss- and undervoltage monitoring relay CM-PBE, width 22.5mm, three phase, measuring range L1,L2,L3=380-440VAC, powered by measuring circuit, 1 n/o (closed circuit principle) Learn More
  3. CM-MPN.52S Three-phase monitoring relay 2c/o, 0,0.1-30s, L1-L2-L3=3x350-580VAC
    1SVR750487R8300
    ₹16,708.80
    The CM-MPN.52S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 350-580 V AC 50/60 Hz and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. This relay monitors all phase parameters such as over/undervoltage, phase unbalance and phase failure. The corresponding threshold values are adjustable. The CM-MPN.52S also offers selection of phase sequence monitoring, automatic phase sequence correction as well as an ON or OFF tripping delay. The output contacts can be configured as 1x2 c/o (SPDT) contacts (common signal) or 2x1 c/o (SPDT) contact (separate signal for over- and undervoltage thresholds) operation. The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  4. CM-PFS.S Three-phase monitoring relay 2c/o, L1-L2-L3=200-500VAC 50/60Hz
    1SVR730824R9300
    ₹2,314.00
    Phase sequence relay CM-PFS.S, width 22.5mm, measuring range L1-L2-L3=200-500VAC 50/60Hz, powered by measuring range, 2 c/o (closed circuit principle). The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  5. CM-MSS.23S Therm. motor protec. relay 2c/o, 110-130VAC/220-240VAC
    1SVR730700R2200
    ₹5,404.00
    The CM-MSS.23S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 110-130 V AC and 220-240 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle. The relay can be reset automatically, manually or remotely after the failure has been removed. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  6. CM-IWS.2S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC
    1SVR730670R0200
    ₹15,456.58
    CM-IWS.2S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC Replacement for 1SVR630670R0200 Learn More
  7. CM-IWS.1S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC
    1SVR730660R0100
    ₹18,812.98
    CM-IWS.1S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC Replacement for 1SVR630660R0100 Learn More
  8. CM-MPS.41S Three-phase monitoring relay 2c/o, 0,0.1-30s, L1-L2-L3=3x300-500VAC
    1SVR730884R3300
    ₹5,191.00
    The CM-MPS.41S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 300-500 V AC 50/60 Hz and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. This relay monitors all phase parameters such as over/undervoltage, phase unbalance and phase failure. The corresponding threshold values are adjustable. Phase sequence monitoring as well as an ON or OFF tripping delay are selectable. The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  9. CM-ESS.2S Voltage monitoring relay 2c/o, B-C=3-600VRMS, 24-240VAC/DC
    1SVR730830R0400
    ₹13,537.00
    The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC voltages with 4 measuring ranges: 3-30 V, 6-60 V, 30-300 V and 60-600 V and works according to the open-circuit principle. The CM-ESS.2S is configurable for over- or undervoltage monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  10. CM-PVS.41S Three-phase monitoring relay 2c/o, 0,0.1-30s, L1-L2-L3=3x300-500VAC
    1SVR730794R3300
    ₹13,140.48
    The CM-PVS.41S relay is from the CM three-phase monitors range. This relay operates with a rated control supply voltage / three-phase measuring voltage of 300-500 V AC and has a 2 c/o output with contacts rated at 250 V / 4 A. The CM-PVS.41S monitors the phase parameters over/undervoltage and phase failure. The corresponding threshold values are adjustable. Phase sequence monitoring as well as an ON or OFF tripping delay are selectable. The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  11. CM-PBE Phase loss monitoring relay 1n/o, L1,2,3-N=220-240VAC
    1SVR550881R9400
    ₹3,865.00
    Phase loss- and undervoltage monitoring relay CM-PBE, width 22.5mm, single- or three phase, with neutral connection, measuring range L1,L2,L3-N=220-240VAC, powered by measuring circuit, 1 n/o (closed circuit principle) Learn More
  12. CM-ESS.1S Voltage monitoring relay 1c/o, B-C=3-600VRMS, 220-240VAC
    1SVR730831R1300
    ₹10,132.00
    The CM-ESS.1S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 220 - 240 V AC and has a 1 c/o (SPDT) output contact rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC voltages with 4 measuring ranges: 3-30 V, 3-60 A, 30-300 V and 60-600 V and works according to the open-circuit principle. The CM-ESS.1S is configurable for over- or undervoltage monitoring, the hysteresis is adjustable within a range of 3 to 30 % of the threshold value. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  13. CM-MPN.72S Three-phase monitoring relay 2c/o, 0,0.1-30s, L1-L2-L3=3x530-820VAC
    1SVR750489R8300
    ₹15,122.00
    The CM-MPN.72S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 530-820 V AC 50/60 Hz and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. This relay monitors all phase parameters such as over/undervoltage, phase unbalance and phase failure. The corresponding threshold values are adjustable. The CM-MPN.72S also offers selection of phase sequence monitoring, automatic phase sequence correction as well as an ON or OFF tripping delay. The output contacts can be configured as 1x2 c/o (SPDT) contacts (common signal) or 2x1 c/o (SPDT) contact (separate signal for over- and undervoltage thresholds) operation. The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  14. CM-MSE Thermistor motor protection relay 1n/o, 220-240VAC
    1SVR550801R9300
    ₹6,760.00
    The CM-MSE relay is from the CM thermistor motor protection relay range. This relay operates with a rated control supply voltage of 220-240 V AC and has a 1 n/o output contact rated at 250 V / 4 A. It features one sensor circuit for monitoring of PTC temperature sensors or bimetals. This relay offers automatic reset and works according to the closed-circuit principle. A sealable transparent cover for protection against unauthorized changes is available as accessory Learn More
  15. CM-PVS.31P Three-phase monitoring relay 2c/o, 0,0.1-30s, L1-L2-L3=3x160-300VAC
    1SVR740794R1300
    ₹14,761.80
    The CM-PVS.31P relay is from the CM three-phase monitors range. This relay operates with a rated control supply voltage / three-phase measuring voltage of 160-300 V AC and has a 2 c/o output with contacts rated at 250 V / 4 A. The CM-PVS.31P monitors the phase parameters over/undervoltage and phase failure. The corresponding threshold values are adjustable. Phase sequence monitoring as well as an ON or OFF tripping delay are selectable. The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals. Learn More
  16. CM-IWN.5S Insulation monitoring relay 2c/o, 1-100kOhm,2-200kOhm, 24-240VAC/DC
    1SVR750660R0400
    ₹67,742.00
    CM-IWN.5S Insulation monitoring relay 2c/o, 1-100kOhm,2-200kOhm, 24-240VAC/DC System leakage capacitance 1000 µF Replacement for 1SVR650660R0400 Learn More
  17. CM-MSS.22S Therm. motor protec. relay 2c/o, 24VAC/DC
    1SVR730700R0200
    ₹5,301.50
    The CM-MSS.22S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 24 V AC/DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle. The relay can be reset automatically, manually or remotely after the failure has been removed. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  18. CM-CT 600/1 Current transformer 5VA, class 1
    1SVR450117R1400
    Out of stock
    The CM-CT 600/1 is a plug-in current transformer from the CM-CT range. The current transformer has a rated primary current of 600 A and a secondary rated current of 1 A. The burden of the current transformer is 5 VA and its precision is according to class 1. The CM-CT 600/1 will be delivered with foot angle, insulating protective cap and bar fastening screws. A snap-on mounting for DIN rail is avaiable as accessory. Learn More
  19. CM-ENS.31S Liquid level monitoring relay 2c/o, sensitivity 0.1-1000kOhm
    1SVR730850R0300
    Out of stock
    The CM-ENS.31S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Furthermore, an ON-delay or an OFF-delay can be adjusted within a range of 0.1 to 10 s. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  20. CM-LWN Motor load monitor, 2x1c/o L1-L2-L3=500VAC,L1/k-L1/l=20A,380-440VAC
    1SVR450332R0100
    Out of stock
    The CM-LWN relay is from the CM motor load monitors range. This relay operates with a rated control supply voltage of 380-440 V AC, has a 2 x 1 c/o (SPDT) output with contacts rated at 250 V / 4 A and works according to the closed-circuit principle. Its measuring principle is based on the evaluation of the phase shift between the voltage and the current in one phase of single- or three-phase asynchronous motors (squirrel cage). The measuring circuit is designed for measuring voltages of 110-500 V AC and measuring currents of 2-20 A AC. The window (over- and underload) monitoring allows setting of two individual threshold values, one for maximum load and one for minimim load. The hysteresis is fixed at 4 ° related to the phase angle. The tripping delay is adjustable within a range of 0.2 to 2 s and the start-up delay within a range of 0.3 to 30 s. A sealable transparent cover for protection against unauthorized changes is available as accessory. Learn More
  21. CM-SFS.22S Current monitoring relay 2c/o,B-C=0.3-15A RMS, 24-240VAC/DC
    1SVR730760R0500
    Out of stock
    The CM-SFS.22S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC currents with 3 measuring ranges: 0.3-1.5 A, 1-5 A and 3-15 A. The CM-SFS.22S offers window (over- and undercurrent) monitoring as well as selection of ON- or OFF-delay, open- or closed-circuit operating principle, with or without latching function. The output contacts can be configured as 1x2 c/o (SPDT) (common signal) or 2x1 c/o (SPDT) (separate signal for minimum and maximum thresholds) operation. The hysteresis is fixed at 5 % of the threshold value. The tripping delay and the start-up delay are adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  22. CM-SRS.21S Current monitoring relay 2c/o, B-C=3mA-1A RMS, 220-240VAC
    1SVR730841R1400
    Out of stock
    The CM-SRS.21S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 220 - 240 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC currents with 3 measuring ranges: 3-30 mA, 10-100 mA and 0.1-1 A and works according to the open-circuit principle. The CM-SRS.21S is configurable for over- or undercurrent monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
  23. CM-TCS.13P Temperature monitoring relay Temp.-range 0...+200°C, 24-240VAC/DC
    1SVR740740R0300
    Out of stock
    CM-TCS.13P Temperature monitoring relay Temp.-range 0...+200°C, 24-240VAC/DC Learn More
  24. CM-TCS.13S Temperature monitoring relay Temp.-range 0...+200°C, 24-240VAC/DC
    1SVR730740R0300
    Out of stock
    CM-TCS.13S Temperature monitoring relay Temp.-range 0...+200°C, 24-240VAC/DC Replacement for 1SVR630740R0300 Learn More
  25. CM-ESS.2P Voltage monitoring relay 2c/o, B-C=3-600VRMS, 110-130VAC
    1SVR740831R0400
    Out of stock
    The CM-ESS.2P is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 110 - 130 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC voltages with 4 measuring ranges: 3-30 V, 6-60 V, 30-300 V and 60-600 V and works according to the open-circuit principle. The CM-ESS.2P is configurable for over- or undervoltage monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals. Learn More
  26. CM-CT 150/1 Current transformer 2.5VA, class 1
    1SVR450116R1300
    Out of stock
    The CM-CT 150/1 is a plug-in current transformer from the CM-CT range. The current transformer has a rated primary current of 150 A and a secondary rated current of 1 A. The burden of the current transformer is 2.5 VA and its precision is according to class 1. The CM-CT 150/1 will be delivered with foot angle, insulating protective cap and bar fastening screws. A snap-on mounting for DIN rail is avaiable as accessory. Learn More
  27. CM-CT 300/5 Current transformer 5VA, class 1
    1SVR450117R5100
    Out of stock
    The CM-CT 300/5 is a plug-in current transformer from the CM-CT range. The current transformer has a rated primary current of 300 A and a secondary rated current of 5 A. The burden of the current transformer is 5 VA and its precision is according to class 1. The CM-CT 300/5 will be delivered with foot angle, insulating protective cap and bar fastening screws. A snap-on mounting for DIN rail is avaiable as accessory. Learn More
  28. CM-LWN Motor load monitor, 2x1c/o L1-L2-L3=500VAC, L1/k-l=5A, 24-240VAC/DC
    1SVR450335R0000
    Out of stock
    The CM-LWN relay is from the CM motor load monitors range. This relay operates with a rated control supply voltage of 24-240 V AC / DC, has a 2 x 1 c/o (SPDT) output with contacts rated at 250 V / 4 A and works according to the closed-circuit principle. Its measuring principle is based on the evaluation of the phase shift between the voltage and the current in one phase of single- or three-phase asynchronous motors (squirrel cage). The measuring circuit is designed for measuring voltages of 110-500 V AC and measuring currents of 0.5-5 A AC. The window (over- and underload) monitoring allows setting of two individual threshold values, one for maximum load and one for minimim load. The hysteresis is fixed at 4 ° related to the phase angle. The tripping delay is adjustable within a range of 0.2 to 2 s and the start-up delay within a range of 0.3 to 30 s. A sealable transparent cover for protection against unauthorized changes is available as accessory. Learn More
  29. CM-CT 75/5 Current transformer 1.5VA, class 1
    1SVR450116R5100
    Out of stock
    The CM-CT 75/5 is a plug-in current transformer from the CM-CT range. The current transformer has a rated primary current of 75 A and a secondary rated current of 5 A. The burden of the current transformer is 1.5 VA and its precision is according to class 1. The CM-CT 75/5 will be delivered with foot angle, insulating protective cap and bar fastening screws. A snap-on mounting for DIN rail is avaiable as accessory. Learn More
  30. CM-SRS.M2S Current monitoring relay 2c/o,B-C=0.3-15A RMS, 24-240VAC/DC
    1SVR730840R0700
    Out of stock
    The CM-SRS.M2S is a multifunctional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC currents with 3 measuring ranges: 0.3-1.5 A, 1-5 A and 3-15 A. The CM-SRS.M2S offers selection of over- or undercurrent monitoring, open- or closed-circuit operating principle, with or without latching function. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value. The tripping delay and the start-up delay are adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals. Learn More
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