TRU Series

TRU3

The TRU Series is a multifunction, knob adjustable, Universal Time Delay Relay. It includes six of the most popular timing functions selected by a slide switch. The time delay is

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  • Electrical Characteristics
    • Catalog # TRU3
    • Input Voltage (V) 19 or 264 V ac; 19 or 30 V dc
    • Input AC Line Frequency (Hz) 50/60
    • Output Type Electromechanical relay
    • Output Form Isolated DPDT
    • Output Load Rating (VA) 10 A resistive @ 120/240 V ac and 28 V dc; 1/3 hp @ 120/240 V ac
    • Time Delay Type Digital
    • Time Delay Range 0.1 s - 1000 m in 6 ranges: 0.1 - 10 – 1 - 100 or 10 - 1000 s; 0.1 - 10 – 1 - 100 or 1000 m
    • Reset Time (ms) ≤300
    • Adjustment Type Multiplier: 4 position DIP switch selects x0.1-x1-x10 or x100 and s or m; Time setting: onboard knob adjustment with 1 - 100 reference dial
    • Repeat Accuracy (%) ±0.1% or 20 ms whichever is greater
    • Setpoint vs Ambient Temperature and Operating Voltage (%) ±2%
    • Indication Two LEDs indicate: 1) input voltage applied; 2) output relay status
    • Polarity DC units are reverse polarity protected
    • Life Electrical: 1 x 10⁶; Mechanical: 1 x 10⁷
    • Termination Type Magnal 11-pin plug-in
    • Mounting Method Plug-in socket
    • Operating Temperature -20° to 65°C (-4° to 149°F)
    • Storage Temperature (F/C) -40° to 85°C (-40° to 185°F)
    • Dimensions 3.44 H x 2.39 W in. (87.3 x 60.7 mm)
    • Weight (lbs/g) 0 Kg
    • Dimensions 3.44 H x 2.39 W in. (87.3 x 60.7 mm)