WVM

WVM911RN-60

The WVM Series provides protection against premature equipment (motor) failure caused by voltage faults on the 3-phase line. The WVM’s microcontroller design provides reliable protection even if regenerated voltages are

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  • Electrical Characteristics
    • Catalog # WVM911RN-60
    • Input Voltage (V) 400 to 480VAC
    • Input Type 3-phase delta or wye with no connection to neutral
    • Output Type Electromechanical relay
    • Output Form Isolated SPDT
    • Output Load Rating (VA) 10A resistive @ 250VAC; 6A inductive (0.4pF) @ 250VAC
    • Response Time (ms) Phase loss: ≤200ms
    • Restart Delay Range 6 - 300s; automatic restart upon fault correction
    • Restart Delay Tolerance (%) ±15%
    • Trip Delay Range Adjustable from 0.25 - 30s
    • Trip Delay Tolerance (%) ≥15%
    • Overvoltage Trip Voltage (%) 109 - 113% of the adjusted line voltage
    • Overvoltage Reset Voltage (%) -2% of the trip voltage
    • Undervoltage Trip Voltage 88 - 92% of the adjusted line voltage
    • Undervoltage Reset Voltage (%) +2% of the trip voltage
    • Voltage Unbalance Trip Point (%) Adjustable from 2 - 10%
    • Phase Loss ≥15% unbalance
    • Indication 6 LEDs provide existing status and memory readout
    • Surge Protection IEEE C62.41-1991 Level B
    • Memory Type Nonvolatile RAM
    • Memory Capacity Stores last 10 faults
    • Life Mechanical - 1 x 107
    • Termination Type Screw terminals with captive wire clamps for up to #12 AWG (3.2mm2) wire
    • Mounting Method Suface mount with 2 or 4 #8 (M4 x 0.7) screws
    • Operating Temperature -40° to 65°C (-40°F to 149°F)
    • Storage Temperature (F/C) -40° to 85°C (-40°F to 185°F)
    • Dimensions 6.90 x 4.40 x 2.40 in. (175.3 x 111.8 x 61.0mm)
    • Weight (lbs/g) ≅25oz (709g)