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50 - instantaneous overcurrent protection, 50bf - breaker failure protection – Basler Electric BE1-11g User Manual

Page 587

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9424200994 Rev N

575

49RTD - Resistance Temperature Device Protection (Optional)

Pickup

Setting Range ........................................................... 0 to 250

°

C (32 to 482

°

F)

Accuracy....................................................................

±2% or ±2

°

C (

±3.6

°

F), whichever is greater

Reset/Pickup Ratio .................................................... 105% / 95%

±1% (over / under) or 5

°

C minimum

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

±1 s

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.

50BF - Breaker Failure Protection

Phase & Ground Pickup
5 Ampere CT Setting Range ..................................... 0.25 to 10 A
1 Ampere CT Setting Range ..................................... 0.05 to 2 A
SEF ........................................................................... 0.01 to 0.5 A

Accuracy

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

±4% or ±50 mA, whichever is greater

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

±4% or ±10 mA, whichever is greater

SEF ...........................................................................

±(5% + 2.5 mA)

BE1-11g

Specifications - 25 Hz Operation