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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