49tc - thermal curve protection, 50 - instantaneous overcurrent protection – Basler Electric BE1-11m User Manual

Page 466

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454

9424200996 Rev L

Time Delay
Setting Range ........................................................... 0 to 600,000 ms
Accuracy....................................................................

±1 s

49TC - Thermal Curve Protection

Pickup (Itpu = Overload

* Service Factor * Full Load Amps)

Setting Range (Full Load Amps)

5 Ampere CT ............................................................. 1.0 to 25 A
1 Ampere CT ............................................................. 0.2 to 5 A

Accuracy

5 Ampere CT .............................................................

±4% or ±50 mA, whichever is greater

1 Ampere CT .............................................................

±4% or ±10 mA, whichever is greater

Thermal Characteristic Timing

Timing Accuracy ........................................................

±8% or ±4 cycles, whichever is greater.

50 - Instantaneous Overcurrent Protection

Pickup
5 Ampere CT Setting Range ..................................... 0.5 to 150 A
1 Ampere CT Setting Range ..................................... 0.1 to 30 A
SEF Setting Range ................................................... 0.01 to 7.5 A
Unbalanced Setting Range ....................................... 2 to 100%
Dropout ..................................................................... 93 to 99% of the actual pickup value

3Phase, IA, IB, IC, IG Accuracy

5 Ampere CT .............................................................

±4% or ±50 mA, whichever is greater

1 Ampere CT .............................................................

±4% or ±10 mA, whichever is greater

SEF (Pickup Setting of 0.01 to 4.99 A) .....................

±(5% + 4.5 mA)

SEF (Pickup Setting of 5 to 7.5 A) ............................

±(10% + 4.5 mA)

3I0, I1, I2 Accuracy

5 Ampere CT .............................................................

±3% or ±75 mA, whichever is greater

1 Ampere CT .............................................................

±3% or ±15 mA, whichever is greater

Unbalanced Accuracy

5 Ampere CT .............................................................

±3% of pickup setting

1 Ampere CT .............................................................

±3% of pickup setting

Time Delay
Setting Range ........................................................... 0 to 60,000 ms

Accuracy

Phase & Ground ........................................................

±1% or ±3 cycles, whichever is greater, plus trip time

for instantaneous response (0.0 setting)

*

Residual ....................................................................

±2% or ±3 cycles, whichever is greater, plus trip time

for instantaneous response (0.0 setting)

*

* Trip Time for 0.0 Delay Setting .............................. 1¼ cycles maximum for currents ≥ 5 times the pickup

setting. 1¾ cycles maximum for a current of 2
times pickup. Two cycles maximum for a current
of 1.05 times the pickup setting.

Specifications - 25 Hz Operation

BE1-11m

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