MicroLogic™ 5.0P and 6.0P Electronic Trip Units – Instruction Bulletin PDF
48049-137-06EN

Appendix B—Default Settings and Tolerances

Default Settings

Default Settings—Switches

Description Symbol Default Value
Long-time pickup Ir Maximum
Long-time delay tr Minimum
Short-time pickup Isd Minimum
Short-time delay tsd Minimum
Ground-fault pickup Ig Minimum
Ground-fault delay tg Minimum
Instantaneous Ii Minimum

Default Settings—Maintenance

Submenu Description Line Item Default Value Setting Range
M2C/M6C contacts Alarm type S# Not selected Not selected, Isd, Ir, Iunbal (See Trip Unit Alarms)
Setup S# Latching Latching contact, time delay, non-latching contact, Locked 0, Locked 1
MicroLogic setup Language — English US Deutsch, English US, English UK, Espanol, Francais
Date/Time — — —
Breaker selection Standard NA Not def, ANSI, IEC, UL, IEC/GB
Circuit breaker NA —
Type NA —
Circuit breaker number 0 0000–FFFF
Power sign — P+ P+, P-
VT ratio Primary 690 000–690
Secondary 690 000–690
System frequency — 50-60 Hz 50-60 Hz, 400 Hz
Metering setup System type — 3Φ 4 w 4 CT 3Φ 4w 4CT, 3Φ 4w 3CT,
3Φ 3w 3CT
Current demand Interval 15 min. 5–60 min
Power demand Window type Sliding Sliding, block
Interval 15 min. 5–60 min
Sign convention — IEEE IEEE, IEEE alt, IEC
Com setup Com parameter — — —
Remote access — No Yes, no
Remote control — Auto Auto, manual

Default Settings—Protection

Submenu Description Symbol Line Item Default Value Setting Range Tolerance
Amperage protection Long-time pickup Ir — Maximum — ±10%
Long-time delay tr — Minimum — -20%, +0%
Short-time pickup Isd — Minimum — ±10%
Short-time delay tsd — Minimum —  
Instantaneous Ii — Minimum — ±10%
Ground-fault alarm (5.0P trip unit) No protection — — —
Ground-fault (6.0P trip unit) Mode Trip Trip —
Pickup Switch setting In £ 400 A: 30%–100% In
400 < In £ 1200 A: 20%–100% In
1200 A < In: 500 A–1200 A		 ±10%
Pickup delay Switch setting 1–40 sec. -20%, +0%
Neutral current Ineutral — Off Off, N/2, N, 1.6N —
Ground-fault alarm alarm Mode Off Alarm, off —
Pickup 1200 A 20 x In–1200 A ±15%
Pickup delay 10.0 sec. 1.0–10.0 sec. -20%, +0%
Dropout 1200 A 20 A–pickup ±15%
Dropout delay 1.0 sec. 1.0–10.0 sec. -20%, +0%
Current unbalance Iunbal Mode Off Alarm, trip, off —
Pickup % 60% 5–60% -10%, +0%
Pickup delay 40 sec. 1–40 sec. -20%, +0%
Dropout % Iunbal pickup % 5%–pickup % -10%, +0%
Dropout delay 10 sec. 10–360 sec. -20%, +0%
Max. phase A demand current Mode Off Alarm, trip, off —
Pickup In 0.2 x In– In ±6.6%
Pickup delay 1500 sec. 15–1500 sec. -20%, +0%
Dropout Iamax pickup 0.2 x In–pickup ±6.6%
Dropout delay 15 sec. 15–3000 sec. -20%, +0%
Max. phase B demand current Mode Off Alarm, trip, off —
Pickup In 0.2 x In–In ±6.6%
Pickup delay 1500 sec. 15–1500 sec. -20%, +0%
Dropout Ibmax Pickup 0.2 x In–pickup ±6.6%
Dropout delay 15 sec. 15–3000 sec. -20%, +0%
Max. phase C demand current Mode Off Alarm, trip, off —
Pickup In 0.2 x In–In ±6.6%
Pickup delay 1500 sec. 15–1500 sec. -20%, +0%
Dropout Icmax pickup 0.2 x In–pickup ±6.6%
Dropout delay 15 sec. 15–3000 sec. -20%, +0%
Max. neutral demand current Mode Off Alarm, trip, off —
Pickup In 0.2 x In–In ±6.6%
Pickup delay 1500 sec. 15–1500 sec. -20%, +0%
Dropout Inmax pickup 0.2 x In–pickup ±6.6%
Dropout delay 15 sec. 15–3000 sec. -20%, +0%
Voltage protection Minimum (under) voltage Vmin Mode Off Alarm, trip, off —
Pickup 100 V 100 V–Vmax pickup -5%, +0%
Pickup delay 5 sec. 1.2–5 sec. -0%, +20%
Dropout Vmin pickup Vmin pickup–1200 A -5%, +0%
Dropout delay 1.2 sec. 1.2–36 sec. -0%, +20%
Maximum (over) voltage Vmax Mode Off Alarm, trip, off —
Pickup 725 V Vmin–1200 A -0%, +5%
Pickup delay 5 sec. 1.2–5 sec. -0%, +20%
Dropout Vmax pickup 100–Vmax pickup -0%, +5%
Dropout delay 1.2 sec. 1.2–36 sec. -0%, +20%
Voltage unbalance Vunbal Mode Off Alarm, trip, off —
Pickup 20% 2–20%* -10%, +0%
Pickup delay 40 sec. 1–40 sec. -20%, +0%
Dropout Vunbal pickup 2%–Vunbal pickup -10%, +0%
Dropout delay 10 sec. 10–360 sec. -20%, +0%
Other protection Reverse power rP Mode Off Alarm, trip, off —
Pickup 500 kW 5–500kW ± 2.5%
Pickup delay 20 sec. 0.2–20 sec. -0%, +20%
Dropout rP pickup 5kW–rP pickup ± 2.5%
Dropout delay 1 sec. 1–360 sec. -0%, +20%
Minimum (under) frequency Fmin Mode Off Alarm, trip, off —
Pickup 45 Hz 45 Hz–Fmax pickup ± 0.5 Hz
Pickup delay 5 sec. 0.2–5 sec. -0%, +20%
Dropout Fmin pickup Fmin Pickup–440 Hz ± 0.5 Hz
Dropout delay 1 sec. 1–36 sec. -0%, +20%
Maximum (over) frequency Fmax Mode Off Alarm, trip, off —
Pickup 65 Hz Fmin Pickup–440 Hz ± 0.5 Hz
Pickup delay 5 sec. 0.2–5 sec. -0%, +20%
Dropout Fmax pickup 45 Hz–Fmax pickup ± 0.5 Hz
Dropout delay 1 sec. 1–36 sec. -0%, +20%
Phase rotation Phase rotation — Sequence Phase A, phase C, phase B direction Phase A, phase B, phase C direction or phase A, phase C, phase B direction —
Mode Off Off, alarm —
Load shedding I Load shedding I — Mode Off Off, on —
Pickup % 100% Ir 50% Ir–100% Ir ±6%
Pickup delay % 80% tr 20–80% tr -20%, +0%
Dropout % Load shedding I pickup 30%–Load shedding I pickup % ±6%
Dropout delay 10 sec. 10–600 sec. -20%, +0%
Load shedding P Load shedding P — Mode Off Off, On —
Pickup 10,000 kW 200–10,000 kW ± 2.5%
Pickup delay 3600 sec. 10–3600 sec. -20%, +0%
Dropout Load shedding P pickup 100 kW–Load shedding P pickup % ± 2.5%
Dropout delay 10 sec. 10–3600 sec. -20%, +0%

Metering Range and Accuracy

Metering Range and Accuracy

Item Description Symbol Range Tolerance
Instantaneous Current Instantaneous current in A phase Ia 0–32 kA ±1.5%
Instantaneous current in B phase Ib 0–32 kA ±1.5%
Instantaneous current in C phase Ic 0–32 kA ±1.5%
Instantaneous current in neutral In 0–32 kA ±1.5%
Instantaneous current in ground 0–32 kA ±1.5%
Max. instantaneous current in A phase Iamax 0–32 kA ±1.5%
Max. instantaneous current in B phase Ibmax 0–32 kA ±1.5%
Max. instantaneous current in C phase Icmax 0–32 kA ±1.5%
Max. instantaneous current in neutral Inmax 0–32 kA ±1.5%
Max. instantaneous current in ground 0–32 kA ±1.5%
Demand Current Demand current in A phase 0–32 kA ±1.5%
Demand current in B phase 0–32 kA ±1.5%
Demand current in C phase 0–32 kA ±1.5%
Demand current in neutral 0–32 kA ±1.5%
Max. demand current in A phase 0–32 kA ±1.5%
Max. demand current in B phase 0–32 kA ±1.5%
Max. demand current in C phase 0–32 kA ±1.5%
Max. demand current in neutral 0–32 kA ±1.5%
Voltage Phase-to-phase instantaneous voltage between A and B phase Vab 0–1200 V ±0.5%
Phase-to-phase instantaneous voltage between B and C phase Vbc 0–1200 V ±0.5%
Phase-to-phase instantaneous voltage between C and A phase Vca 0–1200 V ±0.5%
Phase-to-phase instantaneous voltage between A and neutral phase Van 0–1200 V ±0.5%
Phase-to-phase instantaneous voltage between B and neutral phase Vbn 0–1200 V ±0.5%
Phase-to-phase instantaneous voltage between C and neutral phase Vcn 0–1200 V ±0.5%
Average phase-to-phase voltage V avg 3Φ 0–1200 V ±0.5%
Voltage unbalance V unbal 3Φ 0–100 V ±0.5%
Instantaneous Power Instantaneous active power P 0–32 MW ±2%
Instantaneous reactive power Q 0–32 Mvar ±2%
Instantaneous apparent power S 0–32 MVA ±2%
Power Factor Power factor PF -1–1 ±0.01%
Demand Power Active demand power P 0–32 MW ±2%
Reactive demand power Q 0–32 Mvar ±2%
Apparent demand power S 0–32 MVA ±2%
Max. active demand power since last reset 0–32 MW ±2%
Max. reactive demand power since last reset 0–32 Mvar ±2%
Max. apparent demand power since last reset 0–32 MVA ±2%
Energy Total Total active power E. P -1010–1010 Kwh ±2%
Total reactive power E. Q -1010–1010 Kvarh ±2%
Total apparent power E. S -1010–1010 KVAh ±2%
Energy In Total active power in E. P -1010 –1010 Kwh ±2%
Total reactive power in E. Q -1010–1010 Kvarh ±2%
Energy Out Total active power out E. P -1010–1010 Kwh ±2%
Total reactive power out E. Q -1010–1010 Kvarh ±2%
Frequency System frequency F 45–440 Hz ±0.1 Hz
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