DLM

DLMUBLAAA

The DLMU Series is a universal voltage, 3-phase voltage monitor. It continuously measures the voltage of each of the three phases with microcontroller accuracy and compares the value to preset

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  • Electrical Characteristics
    • Catalog # DLMUBLAAA
    • Input Voltage (V) 200 - 480 Vac
    • Input Voltage Maximum (V) 550
    • Input Type 3-phase delta or WYE with no connection to neutral
    • Input AC Line Frequency (Hz) 240 V ac: 50/60; 380 V ac: 50; 480 V ac: 60
    • Input Phase Sequence A; B; C; L1; L2; L3
    • Output Type Isolated electromechanical relay
    • Output Load Rating (VA) 10 A resistive @ 240 Vac; 8 A resistive @ 277 Vac; NO-1/4 hp @ 120 Vac; 1/3 hp @ 240 Vac
    • Reset Time (ms) Automatic
    • Response Time (ms) Phase loss: ≤200 ms; Phase reversal: ≤200 ms
    • Restart Delay Range 0.6 - 300 s adjustable
    • Restart Delay Tolerance (%) ±15%
    • Trip Delay Type Active On: Over/undervoltage; voltage unbalance; over/under frequency
    • Trip Delay Range 1-30 s adjustable
    • Trip Delay Tolerance (%) ±15%
    • Overvoltage Trip Voltage (%) 109 - 113% of the adjusted line voltage
    • Overvoltage Reset Voltage (%) ≅-3% of the trip voltage
    • Undervoltage Trip Voltage 88 - 92% of the adjusted line voltage
    • Undervoltage Reset Voltage (%) ≅+3% of the trip voltage
    • Voltage Unbalance Trip Point (%) Adjustable 2 - 10%
    • Voltage Unbalance Reset (%) ≅-0.7% unbalance
    • Over/Under Frequency (%) ±4%; Reset ±3%; 50 / 60 Hz
    • Phase Loss ≥25%
    • Surge Protection IEEE C62.41-1991 Level B
    • Type of Detection Voltage detection with delayed trip and automatic reset
    • Termination Type Screw terminal with captive wire clamps for up to #14 AWG (2.5 mm²) wire
    • Mounting Method Surface mount with two #8 (M4 x 0.7) screws or snap on 35mm DIN rail
    • Operating Temperature -40° to 60°C (-40° to 140°F)
    • Storage Temperature (F/C) -40° to 85°C (-40° to 185°F)
    • Humidity 95% non-condensing
    • Dimensions 4.33 H x 2.95 W x 1.97 D in. (110 x 75 x 50 mm)
    • Weight (lbs/g) 0 Kg
    • Check Stock Yes