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Low Voltage Power & Insulated Case Circuit Breakers Section 8

Trip Units Trip Unit Characteristics

EntelliGuard ™ TU Trip Unit Characteristics

Long Time

Short Time

Frame Max. Sensor Rating Current Setting (C) (Pick-Up) Delay (Seconds) 1 Pick-up (Multiple Envelope Size Ampere Rating (Amperes) (S) Multiple of Rating Plug Amperes (X) Fuse Type (F-Bands) Thermal Type (C-Bands) of Current Settings) (C) Delay (Seconds) 0.025 0.20 800 800 200, 400, 800 0.025 0.60 0.025 1.21 0.032 1.61 I 2 T in 1600 1600 800, 1000, 1600 0.044 2.41 Minimum - 0.046 2000 2000 2000 0.13 5.62 0.17 6.43 0.22 7.23 0.27 8.04 2500 1000, 2000, 2500 0.35 9.64 3000 0.44 11.20 I 2 T out 3000 3000 0.55 12.90 0.025, 0.033, 0.042, 0.69 14.50 0.058, 0.092, 0.117, 0.87 16.10 0.158, 0.183, 0.217, 4000 4000 4000 1.10 17.70 0.350, 0.417 2 19.30 Ground Fault 3 Pick-Up without ST (Multiple Pick-Up with ST (Multiple RELT RELT Pick-Up (Multiple of Delay with I 2 T Slope Fixed Envelope Size of Rating Plug Amperes) (X) of Rating Plug Amperes) (X) without ST with ST Sensor Ampere Rating) in Seconds Bands Delay 0.058 800 2.0 thru 10.0 in 2.0 thru 15.0 in 1.5 thru 10.0 in 1.5 thru 15.0 in 0.20 thru 0.60 in 0.092 0.5 increments 0.5 increments 0.5 increments 0.5 increments increments of 0.01 0.117 1600 2.0 thru 10.0 in 2.0 thru 15.0 in 1.5 thru 10.0 in 1.5 thru 15.0 in 0.20 thru 0.60 in I2T - .385 0.158 0.5 increments 0.5 increments 0.5 increments 0.5 increments increments of 0.01 0.183 2000 2.0 thru 10.0 in 2.0 thru 15.0 in 1.5 thru 10.0 in 1.5 thru 15.0 in 0.20 thru 0.60 in I4T - .179 0.217 0.5 increments 0.5 increments 0.5 increments 0.5 increments increments of 0.01 0.35 3000 2.0 thru 10.0 in 2.0 thru 13.0 in 1.5 thru 10.0 in 1.5 thru 13.0 in 0.20 thru 0.37 in SGF - .553 0.417 0.5 increments 0.5 increments 0.5 increments 0.5 increments increments of 0.01 0.517 4000 2.0 thru 9.0 in 2.0 thru 9.0 in 1.5 thru 9.0 in 1.5 thru 9.0 in 0.20 thru 0.30 in 0.617 0.5 increments 0.5 increments 0.5 increments 0.5 increments increments of 0.01 0.717 0.5 thru 1.0 in Increments of 0.05 1.5 thru 9.0 in Increments of 0.5 I 2 T - .385 I 4 T - .179 SGF - .553 .44 at 200% of pick-up at lower limit of band 0.059 3.21 Intermediate - 0.186 0.078 4.02 Maximum - 0.418 1 0.10 4.82 Trip Unit Characteristics (continued) Adjustable Instantaneous Adjustable Instantaneous

0.817 0.917

1 Time delay shown at 600% of current setting at lower limit of band. 2 Time delay shown at lower limit of each band. All pick-up tolerances are ±10%. 3 Time delay shown at lower limit of each band. Ground fault pick-up not to exceed 1200 amperes

Additional Features and Characteristics of the EntelliGuard ™ TU Trip Unit

Product Number Digit

6 7 8 9 X A 4

B 4

C 4

D 4

E 4

Function

Description

1 2 3

4 5

Metering Communications Modbus Communications Bus Link •

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Amperes (A, kA) 2

Selectable Phase Current ±2.5% • •

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Voltage (V) L-L or L-N Volts ±1.5% Energy (kWh, Mwh, GWh) Total Energy Usage on Brkr ±4% Real Power (kW/MW) L-L or L-N Power ±4% Total Power (kVA/MVA) L-L or L-N Power ±4% Frequency (Hz) Circuit Frequency ±1Hz Relaying Under Voltage Trip Adjustable pickup, 50-90% Adjustable delay, 1-15 seconds OFF Over Voltage Trip Adjustable pickup, 110-150% Voltage Unbalance Adjustable pickup, 10-50% Adjustable delay, 1-15 seconds OFF Adjustable pickup, 10-990kW Current Unbalance Adjustable delay, 1-15 seconds Off Demand & Peak Demand (kW) Adjustable delay, 1-15 seconds OFF

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Power Reversal Direction

Data Acquisition - Waveform Capture

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RELT

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4 Used when Ground Fault Alarm is needed via the output contact

Rev. 1/19 Data subject to change without notice

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