Protective Solutions

Digitrip 3000 Specification Summary

ANSI C37.90 (Total Compliance):
(UL Required)

  • Make and Carry Ratings Sec. 6.7
  • Temperature Test Sec. 7
  • Dielectric Test Sec. 8
  • Surge Withstand Test Sec. 9

UL 1053 (UL Required):

  • Current Withstand Test Sec. 27
  • Control Power Test Sec. 18
  • Output Test Sec. 19
  • Temperature Test Sec. 20
  • Calibration of Ground Element Sec. 21
  • Overvoltage Sec. 22
  • Overload Sec. 23
  • Endurance - Verify with Calibration Tests Sec. 24
  • Dielectric Voltage Withstand Test Sec. 25

CURRENT INPUTS:

  • CT's - 5 Amp Secondary
  • CT Burden
    <0.004Ohm
    <0.1VA@Rated Current(5A)
  • In - 5A(Secondary) or CT(Primary)
  • Saturation - 30 x In
  • Momentary - 100 x In for 1 Second

CT(Primary) SETTINGS AVAILABLE:

  • Phase and Ground:
    5/10/25/50/75/100/150/200/250/300/400/500/600/630
    800/1000/1200/1250/1500/1600/2000/2400/2500
    3000/3200/4000/5000

ZONE SELECTIVE INTERLOCKS:

  • Phase - Inverse Time Overcurrent and Short Delay
  • Ground - Inverse Time Overcurrent and Short Delay

CONTROL POWER:

  • Input Voltage
    Nominal 48 to 250VDC
    Nominal 120 TO 240vac 50/60Hz
  • Input Voltage
    Operating Range 28 to 280VDC
    Operating Range 90 TO 254vac 50/60Hz
  • Power Consumption- 25VA

OUTPUT TRIP CONTACTS:

  • Trip OC/Communication [Time Delay]
    - Make 30 Amps for 0.25 Seconds
    - 0.25 Amp Break at 250VDC
  • Trip Instantaneous
    - 5 Amp Break at 120/240VAC
  • Communications Close
    - Meets ANSI C37.90, Paragraph 6.7

ENVIRONMENT:

  • Operating Temperature: -30 to +55 Degrees C
  • Operating Humidity: 0 to 95% Relative Humidity [Non-Condensing]
  • Storage Temperature: -40 to +70 Degrees C

AUXILIARY ALARM CONTACTS:

  • Protection Off Alarm - 5 Amp Continuous
  • Trip Alarm - 5 Amp Break at 120/240VAC

TESTS:

  • Dielectric Strength
    Current Inputs - 3000VAC for 1 Minute Phase-Phase
  • Seismic Test
    Meets requirements for UBC and California Building Code Zone 4. ZPA=3.5

ADDITIONAL TESTS (UL REQUIRED):

  • Hot and Cold Calibration of Phase Elements
  • Meter Readout Accuracy
  • Zone Interlocking Functionality

EMC TESTS:

  • IEC 255-22-2, Electrostatic Discharge Test (ESD), Rating of 8kV
  • IEC 255-22-3, (ENV50140), Radiated RF Immunity
  • ENV 50141, Conducted RF Immunity
  • CISPR 11 Class A
  • CFR 47 FCC Part 15 Subpart b Class A

PHASE AND GROUND TIME-CURRENT CURVES:

  • Low Voltage Breaker
    It - Moderately Inverse
    I2t - Very Inverse
    I4t - Extremely Inverse
    FLAT - Definite Time
  • ANSI(Per ANSI C37.112, 1996)
    Moderately Inverse
    Extremely Inverse
  • IEC (Per IEC 255-3, 1989)
    IEC-A - Moderately Inverse IEC-B - Very Inverse IEC-C - Extremely Inverse IEC-D - Definit Time

PHASE OVERCURRENT PICKUP RANGES:

  • Inverse Time Overcurrent
    Setting: (0.2 to 2.2) x In (28 Settings)
  • Short Delay Setting
    (1 to 11) x In, None[25 Settings]
  • Instantaneous Setting
    (1 to 25) x In, None[30 Settings]

GROUND OVERCURRENT PICKUP RANGES:

  • Inverse Time Overcurrent
    Setting: (0.1 to 2.2) x In None[26 Settings]
  • Short Delay Setting
    (0.1 to 11) x In, None[45 Settings]
  • Instantaneous Setting
    (0.5 to 11) x In, None[33 Settings]

TIME DELAY SETTINGS:

  • Inverse Time Overcurrent
    Time Multiplier: It, I2t, I4t Curve: 0.2 to 40 [47 Settings]
    FLAT: 0.2 to 2 [21 Settings]
    ANSI(all): 0.1 to 5.0 [50 Settings]
    IEC(all): 0.05 to 1.00 [20 Settings]
  • Short Delay Time
    0.05 to 1.5 Sec. [22 Settings]

CURRENT MONITORING:

  • True RMS Sensing
    3-Phase and Ground
  • Display Accuracy
    +/- 1% of Full Scale[In] from 0.04xIn to 1xIn
    +/- 2% of Full Scale[In] from 1xIn to 2xIn
  • Amp Demand
    Average Demand over 5 Minute Sampling Window
  • High Load
    85% of Inverse Time Overcurrent Setting

TIMING ACCURACY:

  • Inverse Time Overcurrent
    Time - +/- 10% at >1.25 x Pickup
  • Short Delay Time
    +/- 50ms

COMMUNICATIONS:

  • IMPACC Compatible
  • Baud Rate - 1200 or 9600
  • Catalog DT3000 has Built-in INCOM, NO PONI REQUIRED!