HRDB Series

HRDB321

The HRDB Series combines an electromechanical, relay output with microcontroller timing circuitry. The HRDB offers 12 to 230V operation in five options and factory fixed, external, or onboard adjustable time

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  • Electrical Characteristics
    • Catalog # HRDB321
    • Input Voltage (V) 24 V dc
    • Input Tolerance (%) -15% - 20%
    • Output Type Electromechanical relay
    • Output Form Isolated SPDT
    • Output Load Rating (VA) General Purpose: SPDT-NO: 125/240 V ac ≅30 A; SPDT-NC ≅15 A; Resistive: SPDT-NO ≅30 A for 125/240 V ac and 20 A for 28 V dc; SPDT-NC ≅15 A for 125/240 V ac and 10 A for 28 V dc; Motor Load: SPDT-NO ≅1 hp for 125 V ac and 2 hp for 240 V ac; SPDT-NC ≅1/4 hp for 125 V ac and 1 hp for 240 V ac
    • Time Delay Type Microcontroller
    • Time Delay Range 1 - 100 s onboard knob
    • Time Delay Tolerance (%) ±5%
    • Reset Time (ms) ≤150
    • Initiate Time (ms) ≤20
    • Repeat Accuracy (%) ±0.5% or 20 ms whichever is greater
    • Setpoint vs Ambient Temperature and Operating Voltage (%) ≤±2%
    • Surge Protection IEEE C62.41-1991 Level A
    • Insulation Resistance ≥100
    • Dielectric Breakdown ≥2000V terminals to mounting surface
    • Circuitry Encapsulated
    • Polarity DC units are reverse polarity protected
    • Life Electrical: 1 x 10⁵ 3 x 104 for 1 hp - 6000 for 1/4 hp 1 hp and 2 hp; Mechanical: 1 x 10⁶
    • Power Consumption ≤2 W
    • Termination Type 0.25 in. (6.35 mm) male quick connect terminals
    • Mounting Method Surface mount with 1 #10 (M5 x 0.8) screw
    • Operating Temperature -40° to 60°C (-40° to 140°F)
    • Storage Temperature (F/C) -40° to 85°C (-40° to 185°F)
    • Humidity 95% relative : non-condensing
    • Dimensions 3 H x 2 W in. (76.7 x 51.3 mm)
    • Weight (lbs/g) 0 Kg
    • Dimensions 3 H x 2 W in. (76.7 x 51.3 mm)