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 Maximum Operating Temperature Minimum Operating Temperature Dimensions Maximum Voltage Sensed Minimum Voltage Sensed Series Current Range Length Height Width Standards Met Operating Temperature Range Maximum Temperature Sensed Terminal Type Mounting Type Minimum Temperature Sensed Number of Poles
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 0.1 8A - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-AS 0.1 → 1 A, 0.5 → 5 A, 0.8 → 8 A 22.5mm 95mm 100 - -20 → +60 °C - - - - -
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 - - - - - - - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-LS - 22.5mm 95 100 - -20 → +60 °C - - - - -
Omron Current Monitoring Relay with SPST Contacts, 1 Phase, 100 → 240 V ac Omron Current 100 → 240 V ac SPST - 1 - Overcurrent, Undercurrent 0.1 A, 0.5 A 1 A, 5 A - 250 ms - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-AW 0.1 → 1 A, 0.5 → 5 A 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac
  • RS Stock No. 819-3201
  • Brand Omron
  • Mfr. Part No. K8AK-AS1 100-240VAC
Omron Current 100 → 240 V ac SPDT - 1 - Overcurrent, Undercurrent 2 500mA - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-AS 10 → 100 mA, 2 → 20 mA, 50 → 500 mA 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac
  • RS Stock No. 819-3210
  • Brand Omron
  • Mfr. Part No. K8AK-AS3 100-240VAC
Omron Current 100 → 240 V ac SPDT - 1 - Overcurrent, Undercurrent 10 200A - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-AS 10 → 100 A, 20 → 200 A 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Current Limit Switch with SPST Contacts, 1 Phase, 100 → 240 V ac Omron Current 100 → 240 V ac SPST - 1 - Overcurrent, Undercurrent 10 A, 20 A 100 A, 200 A - 250 ms - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-AS 10 → 100 A, 20 → 200 A 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
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 - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-PH - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac Omron Current 100 → 240 V ac SPDT - 1 - Overcurrent, Undercurrent 2 mA, 10 mA, 20 mA 20 mA, 100 mA, 500 mA - 250 ms - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-AS 10 → 100 mA, 2 → 20 mA, 50 → 500 mA 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Phase Monitoring Relay with SPDT Contacts, 3 Phase, 200 → 480 V ac Omron Phase 200 → 480 V ac SPDT - 3 - - - - Phase Loss, Phase Sequence - - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-PH - 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Temperature Monitoring Relay with SPDT Contacts, 24 V ac/dc Omron Temperature 24 V ac/dc SPDT - - - - - - - - Overtemperature 0 → +999 +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-TH - 90mm 90mm 17.5 CE Certified, EN 61010-1, EN 61326-1, UL, UL 61010-1 -20 → +60 °C 999°C Screw DIN Rail 0°C 1
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac Omron Current 100 → 240 V ac SPDT - 1 - Overcurrent, Undercurrent 2 mA, 10 mA, 20 mA 20 mA, 100 mA, 500 mA - 250 ms - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-AW 10 → 100 mA, 2 → 20 mA, 50 → 500 mA 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 24 V ac/dc
  • RS Stock No. 819-3217
  • Brand Omron
  • Mfr. Part No. K8AK-AS2 24VAC/DC
Omron Current 24 V ac/dc SPDT - 1 - Overcurrent, Undercurrent 0.1 8A - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-AS 0.1 → 1 A, 0.5 → 5 A, 0.8 → 8 A 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Voltage Monitoring Relay with SPDT Contacts, 1 Phase, 100 → 240 V ac
  • RS Stock No. 819-3305
  • Brand Omron
  • Mfr. Part No. K8AK-VW3 100-240VAC
Omron Voltage 100 → 240 V ac SPDT Overvoltage, Undervoltage 1 20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600 V ac/dc - - - - 0.1 → 30 s - - +60°C -20°C 22.5 x 100 x 95 mm 200 V ac/dc, 300 V ac/dc, 600 V ac/dc 20 V ac/dc, 30 V ac/dc, 60 V ac/dc K8AK-VW - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Voltage Monitoring Relay with SPDT Contacts, 1 Phase, 24 V ac/dc
  • RS Stock No. 819-3286
  • Brand Omron
  • Mfr. Part No. K8AK-VS2 24VAC/DC
Omron Voltage 24 V ac/dc SPDT Overvoltage, Undervoltage 1 1 → 10 V ac/dc, 15 → 150 V ac/dc, 3 → 30 V ac/dc - - - - 0.1 → 30 s - - +60°C -20°C 22.5 x 100 x 95 mm 10 V ac/dc, 30 V ac/dc, 150 V ac/dc 1 V ac/dc, 3 V ac/dc, 15 V ac/dc K8AK-VS - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Voltage Monitoring Relay with SPDT Contacts, 1 Phase, 24 V ac/dc Omron Voltage 24 V ac/dc SPDT Overvoltage, Undervoltage 1 1 → 10 V, 15 → 150 V, 3 → 30 V - - - - 250 ms - - +60°C -20°C 90 x 17.5 x 90 mm 10 V, 30 V, 150 V 1 V, 3 V, 15 V K8DT-VS - 90mm 90mm 17.5 CCC, CE Certified, EN 60947-5-1, UL, UL 60947-5-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Resistance Monitoring Relay with SPDT Contacts, 3 Phase, 24 V ac/dc Omron Resistance 24 V ac/dc SPDT - 3 - - - - - 0.1 → 10 s - - +60°C -20°C 90 x 17.5 x 90 mm - - K8DT-LS - 90mm 90mm 17.5 CCC, CE Certified, EN 61010-1, EN 61326-1, UL, UL 61010-1 -20 → +60 °C - Screw DIN Rail - 1
Omron Voltage Monitoring Relay with SPDT Contacts, 3 Phase, 220 → 480 V ac
  • RS Stock No. 819-3264
  • Brand Omron
  • Mfr. Part No. K8AKPW2380480VAC
Omron Voltage 220 → 480 V ac SPDT Overvoltage, Undervoltage 3 - - - - - 0.1 → 30 s - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-PW - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Current Monitoring Relay with SPDT Contacts, 1 Phase, 24 V ac/dc
  • RS Stock No. 819-3226
  • Brand Omron
  • Mfr. Part No. K8AK-AW1 24VAC/DC
Omron Current 24 V ac/dc SPDT - 1 - Overcurrent, Undercurrent 2 500mA - - - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-AW 10 → 100 mA, 2 → 20 mA, 50 → 500 mA 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Phase Monitoring Relay with SPDT Contacts, 3 Phase, 115 → 240 V ac
  • RS Stock No. 819-3258
  • Brand Omron
  • Mfr. Part No. K8AKPM1200240VAC
Omron Phase 115 → 240 V ac SPDT - 3 - - - - Overvoltage, Phase Loss, Phase Sequence, Undervoltage 0.1 → 30 s - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-PM - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
Omron Phase Monitoring Relay with SPDT Contacts, 3 Phase, 220 → 480 V ac
  • RS Stock No. 819-3251
  • Brand Omron
  • Mfr. Part No. K8AKPA2380480VAC
Omron Phase 220 → 480 V ac SPDT - 3 - - - - Phase Asymmetry, Phase Loss, Phase Sequence 0.1 → 30 s - - +60°C -20°C 22.5 x 100 x 95 mm - - K8AK-PA - 22.5mm 95mm 100 - -20 → +60 °C - - - - -
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