K8AK/K8DS Series Measuring and Monitoring Relays
K8AK-AS Single-phase Current Relay
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Monitor for overcurrents or undercurrents.
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Use commercially available CTs (CT current on secondary side: 0 to 1 A or 0 to 5 A).
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Manual resetting and automatically resetting supported by one Relay.
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Startup lock and operating time can be set separately.
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One SPDT output relay, 5 A at 250 VAC (resistive load).
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Output relay can be switched between normally open and normally closed.
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Output status can be monitored using LED indicator.
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Inputs are isolated from the power supply.
K8AK-AW Single-phase Overcurrent/Undercurrent Relays
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Monitor for overcurrents and undercurrents simultaneously.
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Separate settings and outputs supported for overcurrents and undercurrents.
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Use commercially available CTs (CT current on secondary side: 0 to 1 A or 0 to 5 A).
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Manual resetting and automatically resetting supported by one Relay.
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Startup lock and operating time can be set separately.
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Two sets of SPDT output contacts, 5 A at 250 VAC (resistive load).
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Output status can be monitored using LED indicator.
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Inputs are isolated from the power supply.
K8AK-VS Single-phase Voltage Relay
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Monitor for overvoltages or undervoltages.
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Manual resetting and automatically resetting supported by one Relay.
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One SPDT output relay, 5 A at 250 VAC (resistive load).
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Output relay can be switched between normally open and normally closed.
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Process control signal (0 to 10 V) and current splitter input supported.
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Output status can be monitored using LED indicator.
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Input frequency of 40 to 500 Hz supported.
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Inputs are isolated from the power supply.
K8AK-VW Single-phase Overvoltage/Undervoltage Relays
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Monitor for overvoltages and undervoltages simultaneously.
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Separate settings and outputs supported for overvoltages and undervoltages.
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Manual resetting and automatically resetting supported by one Relay.
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Pre-alarm Monitoring Mode.
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Two SPDT output relays, 5 A at 250 VAC (resistive load).
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Process control signal (0 to 10 V) and current splitter input supported.
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Output status can be monitored using LED indicator.
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Input frequency of 40 to 500 Hz supported.
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Inputs are isolated from the power supply.
K8DS-PH Phase-sequence Phase-loss Relay
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Lineup includes a 17.5-mm slim, compact model.
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Greater resistance to inverter noise.
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Distinguishes between positive phases, reversed phases, and phase loss when power is turned ON.
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Supports phase loss detection when the motor is operating.
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Output status can be monitored using LED indicator.
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Ideal to prevent reverse operation of motors.
K8AK-PH Phase-sequence Phase-loss Relay
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Greater resistance to inverter noise.
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Distinguishes between positive phases, reversed phases, and phase loss when power is turned ON.
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5 A (resistive load) at 250 VAC, DPDT x 1.
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Output status can be monitored using LED indicator.
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Ideal to prevent reverse operation of motors.
K8AK-PW Three-phase Voltage Relay
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Greater resistance to inverter noise.
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Monitor overvoltages and undervoltages for three-phase 3-wire or 4-wire power supplies.
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DIP switch setting for 3-phase 3-wire or 3-phase 4-wire power supply.
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Two SPDT output relays, 5 A at 250 VAC (resistive load).
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Separate outputs possible for overvoltages and undervoltages.
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World-wide power specifications supported by one Unit (switchable using DIP switch).
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Relay status can be monitored using LED indicator.
K8AK-PM Three-phase Phase-sequence Phase-loss Relay
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Greater resistance to inverter noise.
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Monitor overvoltages, undervoltages, phase sequence, and phase loss for three-phase 3-wire or 4-wire power supplies with just one Unit.
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Switch setting for 3-phase 3-wire or 3-phase 4-wire power supply.
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Two SPDT output relays, 5 A at 250 VAC (resistive load).
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Output overvoltages and undervoltages using separate relays.
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World-wide power specifications supported by one Unit (switchable).
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Output status can be monitored using LED indicator.
K8AK-PA Three-phase Asymmetry and Phase-sequence Phase-loss Relay
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Greater resistance to inverter noise.
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Monitor voltage asymmetry, phase sequence, and phase loss for three-phase 3-wire or 4-wire power supplies with just one Unit.
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Switch setting for 3-phase 3-wire or 3-phase 4-wire power supply.
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One SPDT output relay, 5 A at 250 VAC (resistive load).
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World-wide power specifications supported by one Unit (switchable).
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Relay status can be monitored using LED indicator.
K8AK-TH Temperature Monitoring Relay
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Excessive temperature increases can be prevented and abnormal temperatures can be monitored.
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Temperature monitoring in slim design with a width of just 22.5 mm.
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Rotary switches simplifies temperature settings.
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Universal-input support for thermocouple or platinum resistance thermometer sensor input.
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Change the output relay between normally open and normally closed operation.
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Alarm status identification with LED indicator.
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Self-holding output.
K8AK-LS Conductive Level Controller
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Self-holding ON or OFF outputs can be selected using self-holding circuit.
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Sensitivity adjustment of operating resistance from 10 to 100 kΩ for application to a wide range of liquids.
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Prevents chattering of relay contacts that occurs with ripples.
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Easy wiring with ferrules.
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Use 2 × 2.5 mm2 solid wire or 2 × 1.5 mm2 ferrules.
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Applicable as a floatless switch.
Source: http://www.omron-ap.com.my/product_info/K8AK/index.asp
