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Features
  • ±0.1% Repeatability
  • 8-Pin octal base
  • Knob with calibrated scale
  • 3-timing ranges
  • Impact proof dust cover
  • IC hybrid circuitry for timing
  • R28 SeriesUL CSA logo

    DPDT, 10 Amp, AC & DC Adjustable
    Delay On Operate Time Delay Relays
    Photo of R28 Series Relay
    DELAY ON OPERATE - The delay period begins when input voltage is applied. At the end of the delay period, the relay will operate and will not release until input voltage is removed. Reset occurs when input voltage is reapplied.
    DPDT, 2 Form "C"
    NTE Type No.Nom.
    Volt.
    Contact
    Arr.
    Input
    Cur.
    Nom.
    Max.
    Contact
    Cur, @
    28VDC
    or
    120VAC
    Diag.
    No.
    AC OPERATED
    R28-11A10-120K120VACDPDT20mA10AD16
    R28-11A10-120L120VACDPDT20mA10AD16
    R28-11A10-120M120VACDPDT20mA10AD16
    DC OPERATED
    R28-11D10-24K24VDCDPDT40mA10AD16
    R28-11D10-24L24VDCDPDT40mA10AD16

    ACCESSORIES
    Mounting StylesDescriptionNTE Type No.
    Surface Mount8-Pin OctalR95-101
    Panel Mount8-Pin OctalR95-118
    DIN Rail Mount8-Pin OctalR95-113
    8-Pin OctalR95-181

      
    Dimensional Drawing
    D16

    Electrical Specifications
    Contact
    Rating: 10 Amps 120 VAC, 30 VDC-8 Amp, 1/2 HP @ 240 VAC,
    1/3 HP @ 120 VAC
    Life: 500,000 operations @ 120 VAC, 10A resistive
    1,000,000 operations @ 120 VAC, 5A resistive
    2,000,000 operations @ 120 VAC, 2A resistive
    Mechanical Life: 50,000,000 operations

    Input
    Nominal Input Voltages: See Chart
    Steady State Input Current: See Chart

    Timing
    Timing Adjustment Modes Available:
                 0.1 to 10 sec (K-suffix)
                 1.0 to 180 sec (L-suffix)
                 2.0 to 300 sec (M-suffix)

    Repeat Accuracy
    ±0.1% - constant voltage & temperature
    Percent Timing Range over Temperature & Voltage Range: ±10%
    Timing Tolerance at High End of Range: -0, +40%
    Timing Tolerance at Low End of Range: +0, -40%
    Reset Time: 100mS Max

    Protection
    Transient: UL508 surge test 5000V for 50mS
    Dielectric Breakdown:
                 Coil To Contact: 1500 VAC
                 Across Open Contact: 1000 VAC
                 Noise Immunity: NEMA ICS 2-230 2500 VAC

    Environmental Characteristics
    Operating: -10°C to +55°C
    Storage: -55°C to +85°C

    Weight
    Std: 4 ozs. (115 grams) - approx

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