Monitoring Relays

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Part Details Brand Monitoring Application Supply Voltage Contact Configuration Voltage Sensitivity Electrical Phase Voltage Sensing Range Current Sensitivity Minimum Current Sensed Maximum Current Sensed Phase Sensitivity Time Delay Temperature Sensitivity Temperature Sensing Range Frequency Sensing Range Dimensions Maximum Voltage Sensed Minimum Voltage Sensed Length Current Range Series Height Width Standards Met Special Features Operating Temperature Range Maximum Temperature Sensed Maximum Frequency Sensed Minimum Frequency Sensed Maximum Operating Temperature Minimum Operating Temperature Minimum Temperature Sensed Terminal Type Frequency Sensitivity Mounting Type Number of Poles
Omron Level Control Monitoring Relay with SPDT Contacts, 24 V ac/dc
  • RS Stock No. 819-3248
  • Brand Omron
  • Mfr. Part No. K8AK-LS1 24VAC/DC
Omron Level Control 24 V ac/dc SPDT - - - - - - - - - - - 22.5 x 100 x 95 mm - - 22.5mm - - 95mm 100mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Schneider Electric Phase Monitoring Relay with DPDT Contacts, 3 Phase, 208 → 440 V ac Schneider Electric Phase 208 → 440 V ac DPDT - 3 - - - - Phase Asymmetry, Phase Failure, Phase Sequence <100 ms - - - 72 x 17.5 x 90 mm - - 72mm - - 90mm 17.5mm - - -20 → +50 °C - - - +50°C -20°C - - - - -
Broyce Control Voltage Monitoring Relay with DPDT Contacts, 3 Phase, 400 V Broyce Control Voltage 400 V DPDT - 3 243 → 540 V - - - Phase Failure, Phase Sequence 0.2 → 10 s - - - 89 x 17.5 x 66.5 mm 540V 243 V 89mm - - 66.5mm 17.5mm CE, EN 61000-6-2, EN 61000-6-4, IEC, RoHS Complaint Microprocessor Based, Detects Incorrect Phase Sequence, Phase Loss And Neutral Loss, Adjustment For Under Voltage Trip Level, Adjustment For Time Delay -20 → +60 °C - - - +60°C -20°C - Wire Lead - DIN Rail -
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac
  • RS Stock No. 819-3208
  • Brand Omron
  • Mfr. Part No. K8AK-AS2 100-240VAC
Omron Current 100 → 240 V ac SPDT - 1 - Overcurrent, Undercurrent 0.1A 8A - - - - - 22.5 x 100 x 95 mm - - 22.5mm 0.1 → 1 A, 0.5 → 5 A, 0.8 → 8 A - 95mm 100mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Broyce Control Phase, Voltage Monitoring Relay with SPDT Contacts, 280 → 520 V ac Broyce Control Phase, Voltage 280 → 520 V ac SPDT Undervoltage - 300 → 500 V - - - Phase Failure, Phase Sequence 0.2 → 10 s - - - 17.5 x 89 x 66.5 mm - - 66.5mm Maximum of 8 A L-Series 89mm 17.5mm IEC 60664 Time Delay -20 → +60 °C - - - +60°C -20°C - Screw - DIN Rail -
Broyce Control Voltage Monitoring Relay with SPDT Contacts, 8 → 30 V dc Broyce Control Voltage 8 → 30 V dc SPDT Undervoltage - 12 → 24 V dc - - - - 0 → 30 s - - - 17.5 x 89 x 66.5 mm - - 66.5mm Maximum of 8 A L-Series 89mm 17.5mm IEC 60664 - -20 → +60 °C - - - - - - Screw - DIN Rail -
Siemens Temperature Monitoring Relay with SPDT Contacts, 24 V ac/dc Siemens Temperature 24 V ac/dc SPDT - - - - - - - - Overtemperature, Undertemperature +60 → +180°C - 91 x 22.5 x 92 mm - - 91mm - - 92mm 22.5mm - - -25 → +60 °C +180°C - - +60°C -25°C +60°C - - - -
Omron Phase Monitoring Relay with DPDT Contacts, 3 Phase, 200 → 480 V ac
  • RS Stock No. 819-3254
  • Brand Omron
  • Mfr. Part No. K8AKPH1200500VAC
Omron Phase 200 → 480 V ac DPDT - 3 - - - - Phase Loss, Phase Sequence 0.1 s - - - 22.5 x 100 x 95 mm - - 22.5mm - - 95mm 100mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Broyce Control Phase Monitoring Relay, 3 Phase, 300 → 500 V ac Broyce Control Phase 300 → 500 V ac - - 3 - - - - Phase Loss, Phase Sequence - - - - 59 x 35 x 89 mm - - 59mm - - 89mm 35mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
GIC Thermistor Monitoring Relay with DPDT Contacts, 24 V ac/dc GIC Thermistor 24 V ac/dc DPDT - - - - - 6A - 100 ms, 500 ms - - - 22.5 x 100.5 x 83 mm - - 22.5mm Maximum of 6 A - 83mm 100.5mm - - -15 → +60 °C - - - +60°C -15°C - - - - -
Broyce Control Phase, Voltage Monitoring Relay with SPDT Contacts, 230 V ac Broyce Control Phase, Voltage 230 V ac SPDT Undervoltage - Maximum of 300 V - - - Phase Failure, Phase Sequence 0.2 → 10 s - - - 17.5 x 89 x 66.5 mm - - 66.5mm Maximum of 8 A L-Series 89mm 17.5mm IEC 60664 Time Delay -20 → +60 °C - - - +60°C -20°C - Screw - DIN Rail -
Crouzet Phase, Voltage Monitoring Relay with SP-NO/NC Contacts, 3 Phase, 208 → 480 V ac Crouzet Phase, Voltage 208 → 480 V ac SP-NO/NC Undervoltage 3 183 → 528 V ac - - - Phase Failure, Phase Sequence 0.1 → 10 s - - - 69 x 17.5 x 92.6 mm 528V ac 183 V ac 69mm - - 92.6mm 17.5mm - - -20 → +50 °C - - - +50°C -20°C - - - - -
Omron Level Control Monitoring Relay with SPDT Contacts, 100 → 240 V ac
  • RS Stock No. 819-3245
  • Brand Omron
  • Mfr. Part No. K8AK-LS1 100-240VAC
Omron Level Control 100 → 240 V ac SPDT - - - - - - - - - - - 22.5 x 100 x 95 mm - - 22.5mm - - 95mm 100mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Crouzet Current Monitoring Relay with SPDT Contacts, 1 Phase, 230 V ac Crouzet Current 230 V ac SPDT - 1 - Overcurrent, Undercurrent 0.1mA 10A - 0.1 → 3 s - - - 100 x 22.5 x 99.3 mm - - 100mm 0.1 mA → 10 A - 99.3mm 22.5mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Broyce Control Phase, Voltage Monitoring Relay with SPDT Contacts, 280 → 520 V ac Broyce Control Phase, Voltage 280 → 520 V ac SPDT Undervoltage - Maximum of 520 V - - - Phase Failure 100 ms - - - 17.5 x 89 x 66.5 mm - - 66.5mm Maximum of 8 A L-Series 89mm 17.5mm IEC 60664 Time Delay -20 → +60 °C - - - +60°C -20°C - Screw - DIN Rail -
Finder Voltage Monitoring Relay with SPDT Contacts, 3 Phase, 208 → 480 V Finder Voltage 208 → 480 V SPDT - 3 - - - - Phase Loss, Phase Sequence 0.5 s - - 50 → 60 Hz 60.8 x 17.5 x 87 mm - - 87mm 6 A 72 Series 60.8mm 17.5mm - - -20 → +60 °C - - - +60°C -20°C - - - - -
Siemens Current Monitoring Relay with SPDT Contacts, 1 Phase, 24 → 240 V ac/dc Siemens Current 24 → 240 V ac/dc SPDT - 1 - Overcurrent, Undercurrent 50mA 10A - 0.1 → 20 s - - - 91 x 22.5 x 92 mm - - 91mm 0.05 → 10 A - 92mm 22.5mm - - - - - - - - - - - - -
Crouzet Current Monitoring Relay with SP-NO/NC Contacts, 24 → 240 V ac/dc Crouzet Current 24 → 240 V ac/dc SP-NO/NC - - - Overcurrent, Undercurrent 2A 20A - 500 ms - - - 97 x 17.5 x 90 mm - - 97mm 2 → 20 A - 90mm 17.5mm - - -20 → +50 °C - - - +50°C -20°C - - - - -
Tempatron Shaft Rotation Sensor Monitoring Relay with SPDT Contacts, 110 V ac, 230 V ac Tempatron Shaft Rotation Sensor 110 V ac, 230 V ac SPDT - - Maximum of 30 V dc - - - - 1 → 30 s - - 50 → 60 Hz 118 x 48 x 48 mm - - 118mm Maximum of 5 A - 48mm 48mm CE, EMC EN 61000-6, IEC - -10 → +50 °C - - - +50°C -10°C - - - DIN Rail 1
Crouzet Phase Monitoring Relay with SPDT Contacts, 3 Phase, 208 → 480 V ac Crouzet Phase 208 → 480 V ac SPDT - 3 - - - - Phase Failure, Phase Sequence 0.1 → 10 s - - - 65.5 x 17.5 x 92.6 mm - - 65.5mm - - 92.6mm 17.5mm - - -20 → +50 °C - - - +50°C -20°C - - - - -
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