BASLER ELECTRIC BE1-81T1EE1WA0N1F / BE181T1EE1WA0N1F

BASLER ELECTRIC BE1-81T1EE1WA0N1F / BE181T1EE1WA0N1F

Features

• Reliable solid-state digital circuitry.

• Up to four independent frequency set points.

• Over or underfrequency sensing selectable for each set point.

• Convenient, precise selection of the set point frequency over the

nominal range of 40 to 70 Hz.

• Individually adjustable time delays and LED indicators for each

frequency set point.

• Optional definite time delay characteristic.

• Undervoltage inhibit prevents undesired relay operation and provides an

indication of the inhibiting condition over the adjustable range of 40 to

120 Vac.

• Excellent timing accuracy and repeatability.

• Low sensing and supply burdens.

For additional information visit: www.basler.com

Benefits

• Provides accurate frequency protection for a distribution system

or generator operating at 50 or 60 Hz.

• Accurate, repeatable, and reliable operation.

• Incrementally-staged load shedding possible with up to four

independent frequency set points.

• Flexible protection options with selectable overfrequency or

underfrequency sensing for each set point.

• Clear settings indication from individually adjustable time delays

and LED indicators for each frequency set point.

• Minimized PT (potential transformer) costs as a result of low

sensing burden.

• Reduced battery load with low burden power supply.

• LED targets provide clear annunciation of status.

• Easily perform in-case system and device tests using test plugs.

Power Supply (Nominal)

T3XEXJXXXXX:  125 Vdc/120 Vac (3.9 W/16.0 VA)

T3XEXKXXXXX:  48 Vdc (3.6 W)

T3XEXLXXXXX:  24 Vdc (3.7 W)

T3XEXYXXXXX:  48/125 Vdc (3.6 W/ 3.9 W)

T3XEXZXXXXX:  250 Vdc/240 Vac (3.9 W/24.6 VA)

Sensing Input (Single-Phase)

Voltage Range:  40 to 132 Vac

Frequency:

Detection Range:  30 to 80 Hz

Computation Range:  40 to 70 Hz

Burden:  2 VA maximum

Output Contacts

Resistive:

120/240 Vac:  Make, break, and carry 7 Aac

continuously.

250 Vdc:  Make and carry 30 Adc for 0.2s,

carry 7 Adc continuously,

break 0.3 Adc.

500 Vdc:  Make and carry 15 Adc for 0.2s,

carry 7 Adc continuously,

break 0.3 Adc.

Inductive:

120 Vac, 125 Vdc, 250 Vdc: Break 0.3 A (L/R=0.04)

Frequency Set point

Range:  40 to 70 Hz

Increment:  0.01 Hz

Accuracy:  ±0.01 Hz of the set point setting

Time Delay

Setting Range

Cycles:  3 to 99 cycles, increment: 1

10 to 990 cycles, increment: 10

100 to 9.900 cycles, increment: 100

Seconds:  0.1 to 9.9 seconds, increment: 0.1

1.0 to 99 seconds, increment: 1

10 to 990 seconds, increment: 10

Accuracy

Cycles:  +2 cycles or –1 cycle for 0.02 Hz to

1 Hz variation from set point

±1 cycle for variation greater than

1 Hz from set point

Seconds:

±2% of the setting or ±50 ms, whichever is greater

for 0.02 Hz to 1 Hz variation from set point ±2%

of the setting or ±25 ms, whichever is greater for

variation greater than 1 Hz from set point

Undervoltage Inhibit

Range:  40 to 120 Vac

Accuracy:  ±5% of the setting at 25°C (77°F) for

nominal frequency input

Environmental

Dielectric Strength:  IEC 255-5. IEEE C37.90

Radio Frequency Interference:

Qualified to IEEE C37.90

Surge Withstand:  Qualified to IEEE C37.90.1

Fast Transient:  Qualified to IEEE C37.90.1

Impulse Test:  Qualified to IEC 255-5

Operating Temp:  -40°C to 70°C (-40°F to 158°F)

Storage Temp:  -40°C to 85°C (-40°F to 185°F)

Shock:  15 G in three perpendicular planes

Vibration:  2 G in three perpendicular planes,

10 to 500 Hz for six sweeps,

15 minutes each sweep

Agency/Certifications

UL recognized

Physical

Weight:  13 lb (5.90 kg) S1 Case

18 lb (8.16 kg) M1 Case

S1 Case Dimensions (WxHxD):

5.56 x 8.68 x 6.94 inches

(141.2 x 220.5 x 176.3 mm)

M1 Case Dimensions (WxHxD):

5.56 x 14.69 x 6.94 inches

(141.2 x 220.5 x 176.3 mm)

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