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Basler BE1-59N Manual

Ground fault overvoltage relay
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The BE1-59N Ground Fault Overvoltage Relay provides sensitive protection for
ungrounded and high resistance grounded systems.
• Provides 100% stator ground fault protection.
• 100/120 Vac or 200/240 Vac nominal sensing input.
• Four sensitivity ranges for overvoltage are available: 1-20 and 10-50 Vac for a
100/120 Vac input and 2-40 and 20-100 Vac for a 200/240 Vac input.
• Four sensitivity ranges for undervoltage are available: 0.1-2.5 Vac and 0.5-12 Vac
for a 100/120 Vac input and 0.2-5 Vac and 1-24 Vac for a 200/240 Vac input.
• Instantaneous, definite, and inverse time characteristics.
• 40 dB harmonic filtering.
• Low sensing input burden.
• Power supply status contact.
• Qualified to the requirements of
— IEEE C37.90.1-1989 and IEC 255 for surge withstand capability;
— IEC 255-5 for impulse.
• UL Recognized under Standard 508, UL File #E97033.
• Five year warranty.
ADDITIONAL INFORMATION
INSTRUCTION MANUAL
Request publication 9171400990
STANDARDS, DIMENSIONS & ACCESSORIES
Request bulletin SDA
ADVANTAGES
P. O. BOX 269 HIGHLAND, ILLINOIS 62249, U.S.A. PHONE 618-654-2341 FAX 618-654-2351
BE1-59N
GROUND FAULT
OVERVOLTAGE RELAY
APPLICATION
SPECIFICATIONS
EXTERNAL
CONNECTIONS
ORDERING
BE1-59N
Page 2
Page 3
Page 6
Page 7
UBG-7
1-02

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Summary of Contents for Basler BE1-59N

  • Page 1 BE1-59N BE1-59N GROUND FAULT OVERVOLTAGE RELAY The BE1-59N Ground Fault Overvoltage Relay provides sensitive protection for ungrounded and high resistance grounded systems. ADVANTAGES • Provides 100% stator ground fault protection. • 100/120 Vac or 200/240 Vac nominal sensing input. • Four sensitivity ranges for overvoltage are available: 1-20 and 10-50 Vac for a 100/120 Vac input and 2-40 and 20-100 Vac for a 200/240 Vac input.

  • Page 2: High Resistance Grounding

    The undervoltage element. The undervoltage element is BE1-59N is especially suited to the task. tuned to measure the third harmonic voltage, which is present in the generator neutral under normal operat- HIGH RESISTANCE GROUNDING ing conditions.

  • Page 3: Specifications

    BE1-59N APPLICATION, continued Grounded wye/broken delta voltage transformers act as The BEl-59N ground fault overvoltage relay greatly zero sequence filters by summing the three phase reduces the risk of equipment damage by detecting voltages. Under normal conditions this sum is zero.

  • Page 4: Pickup Accuracy

    BE1-59N SPECIFICATIONS, continued Undervoltage Sensing Option Undervoltage Inhibit The undervoltage option is sensitive to the third har- When the undervoltage measuring element is selected, monic (150 Hz or 180 Hz) voltage at the generator an undervoltage inhibit circuit is included to monitor the neutral, and insensitive to the fundamental frequency generator terminal voltage.
  • Page 5 A shorting bar is included in the relay case so that the status output terminals can Weight provide a remote indication that the BE1-59N relay has 13.6 pounds (6.17Kg) maximum. been withdrawn from its case or taken out of service by removing the connection plug.
  • Page 6 BE1-59N CONNECTIONS Figure 5 - Typical Control Circuit Connections Figure 6 - Voltage Sensing Connections...

  • Page 7: Style Number

    SAMPLE STYLE NUMBER: A5FF6JD1S3F Option 1 Undervoltage element The style number above describes a BE1-59N Ground Option 2 Push-to-energize outputs Fault Overvoltage relay having the following features. Option 3 Two NO auxiliary output relays...

  • Page 8: Style Number Identification Chart

    BE1-59N STYLE NUMBER IDENTIFICATION CHART ROUTE 143, BOX 269, HIGHLAND, ILLINOIS U.S.A. 62249 P.A.E. Les Pins, 67319 Wasselonne Cedex FRANCE PHONE 618-654-2341 FAX 618-654-2351 PHONE (33-3-88) 87-1010 FAX (33-3-88) 87-0808 http://www.basler.com, info@basler.com...

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