Basler BE1-50BF Instruction Manual
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Basler BE1-50BF Instruction Manual

Breaker failure relay
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INSTRUCTION MANUAL
FOR
BREAKER FAILURE RELAY
BE1-50BF
BE1-50BF
BREAKER FAILURE RELAY
Style No. XXX XXX XXXXX
Serial No. HXXXXXXX
Publication: 9190600990
Revision: F
09/07

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  • Page 1 INSTRUCTION MANUAL BREAKER FAILURE RELAY BE1-50BF BE1-50BF BREAKER FAILURE RELAY Style No. XXX XXX XXXXX Serial No. HXXXXXXX Publication: 9190600990 Revision: F 09/07...
  • Page 3 INTRODUCTION This instruction manual provides information about the operation and installation of the BE1-50BF Breaker Failure Relay. To accomplish this, the following information is provided: • General Information and Specifications • Controls and Indicators • Functional Description • Installation • Testing...
  • Page 4 September 2007 CONFIDENTIAL INFORMATION of Basler Electric, Highland Illinois, USA. It is loaned for confidential use, subject to return on request, and with the mutual understanding that it will not be used in any manner detrimental to the interest of Basler Electric.
  • Page 5 REVISION HISTORY The following information provides a historical summary of the changes made to the BE1-50BF instruction manual (9190600990). Revisions are listed in reverse chronological order. Manual Revision and Date Change • F, 09/07 Updated output contact ratings and power supply burdens.
  • Page 6 Manual revised to reflect the availability of these options not previously offered: Power Supply Status Output (Options 2-A and 2- • A, 06/91 Added contact sensing specifications and contact sensing burden chart to Section 1, General Information. • —, 04/86 Initial release BE1-50BF Introduction 9190600990 Rev F...
  • Page 7 CONTENTS SECTION 1 • GENERAL INFORMATION ....................1-1 SECTION 2 • CONTROLS AND INDICATORS ..................2-1 SECTION 3 • FUNCTIONAL DESCRIPTION ................... 3-1 SECTION 4 • INSTALLATION ........................4-1 SECTION 5 • TESTING ..........................5-1 9190600990 Rev F BE1-50BF Introduction...
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  • Page 9: Table Of Contents

    Weight ..............................1-6 Case Size ............................1-6 Figures Figure 1-1. Timing............................1-2 Figure 1-2. Style Number Identification Chart ................... 1-3 Tables Table 1-1. Burden (Nominal) Per Non-isolated Sensing Contact.............. 1-4 Table 1-2. Power Supplies ........................1-5 9190600990 Rev F BE1-50BF General Information...
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  • Page 11: Section 1 • General Information

    The seal-in feature may also counteract contact bounce. An optional supervisory contact input to the BE1-50BF relay may be specified. When the supervisory contact input is specified, a third timer (timer 2) is built into the relay. Timer 2 (plus associated circuitry together with the supervisory contact) duplicates the corresponding features of the timer 1 system.

  • Page 12: Model And Style Number

    Breaker Failure Relay. Refer to Figure 1-2 for the style number identification chart. Sample Style Number To determine the features in a BE1-50BF relay, style number F3F-E1J-A4S1F, refer to the style number identification and the following example. Three-phase sensing input type.

  • Page 13: Specifications

    Figure 1-2. Style Number Identification Chart SPECIFICATIONS The BE1-50BF Breaker Failure Relay has the following features and capabilities. Current Sensing Maximum burden of 1 VA per phase at range maximum, 50/60 Hz. Operable over a frequency range of 40 to 70 Hz. Maximum continuous current: 5 A for sensing range of 0.25 to 2.0 A; 10 A for sensing range of 1.0 to 8.0 A.

  • Page 14: Pickup Range

    30 A for 1 second, 7 A for 2 minutes, and 3 A continuously. Power Supply Power for the internal circuitry may be derived from ac or dc external power sources. Refer to Table 1-2. BE1-50BF General Information 9190600990 Rev F...

  • Page 15: Output Circuits

    Fast Transient Qualified to ANSI/IEEE C37.90.1-1989. Impulse Test Qualified to IEC 255-5. Temperature Operating Range -40° C (-40° F) to 70° C (158° F) Storage Range -65° C (-85° F) to 100° C (212° F) 9190600990 Rev F BE1-50BF General Information...

  • Page 16: Shock

    Gost-R certified No. POCC US.Me05.B03391; complies with the relevant standards of Gosstandart of Russia. Issued by accredited certification body POCC RU.0001.11ME05. Weight Maximum: 14.1 lb (6.4 kg) Case Size S1 (Refer to Section 4 for case dimensions.) BE1-50BF General Information 9190600990 Rev F...
  • Page 17 Figure 2-1. Location of Controls and Indicators ..................2-2 Figure 2-2. Location of Field Programmable Switch S1 ................2-3 Tables Table 2-1. BE1-50BF Controls and Indicators (Refer to Figure 2-1)............2-1 Table 2-2. Field Programmable Switch S1....................2-2 9190600990 Rev F...
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  • Page 19 SECTION 2 • CONTROLS AND INDICATORS INTRODUCTION BE1-50BF controls and indicators are located on the front panel and the left interior. The controls and indicators are shown in Figures 2-1 and 2-2. Table 2-1 references the callouts in Figure 2-1. Table 2-2 references Figure 2-2.
  • Page 20 BFI timing circuit. The preset time for the two timers may be different. In this mode, either set of input contacts can initiate a sequence that enables the output relay when T1 or T2 and the control timer has timed out. BE1-50BF Controls and Indicators 9190600990 Rev F...
  • Page 21 Switches seven and eight may be used for conducting system tests. Note that a BFI output can be obtained WITHOUT the presence of line current. D806-004 Figure 2-2. Location of Field Programmable Switch S1 9190600990 Rev F BE1-50BF Controls and Indicators...
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  • Page 23 Current Pickup Output........................3-3 Pickup Settings........................... 3-3 Power Supply ............................. 3-3 Power Supply Status Contacts......................3-3 Target Indicators ..........................3-3 Figures Figure 3-1. Functional Block Diagram ....................... 3-1 Figure 3-2. Control Timer Cycle ........................ 3-2 9190600990 Rev F BE1-50BF Functional Description...
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  • Page 25 SECTION 3 • FUNCTIONAL DESCRIPTION GENERAL BE1-50BF Breaker Failure Relays are static devices designed to detect circuit breaker failure, and to trip backup circuit breakers when such failures are detected. FUNCTIONAL DESCRIPTION Relay circuit functions illustrated in Figure 3-1 are described in the following paragraphs.
  • Page 26 Each current pickup detector provides an input to the current pickup indicator. The current pickup indicator turns ON the LED for 22 milliseconds after the most recent input. Outputs are approximately every eight milliseconds for the duration of time that the sensing current is above the pickup setting. BE1-50BF Functional Description 9190600990 Rev F...
  • Page 27 200 milliamperes of current flowing in the trip circuit. NOTE Prior to September 2007, BE1-50BF target indicators consisted of magnetically latched, disc indicators. These mechanically latched target indicators have been replaced by the electronically latched LED targets in use today.
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  • Page 29 Figure 4-9. Control Circuit Connections (Typical) Isolated Inputs............. 4-9 Figure 4-10. Typical Connections Sensing Input Type E ................ 4-10 Figure 4-11. Typical Connections Sensing Input Type F ................ 4-10 Figure 4-12. Contact Sensing Modules, Power Supply Z ............... 4-11 9190600990 Rev F BE1-50BF Installation...
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  • Page 31: Section 4 • Installation

    SECTION 4 • INSTALLATION INTRODUCTION BE1-50BF relays are shipped in sturdy cartons to prevent damage during transit. Upon receipt of a relay, check the model and style number against the requisition and packing list to see that they agree. Inspect the relay for shipping damage.
  • Page 32 D2853-22 06-15-99 Figure 4-1. Outline Dimensions, Side View, Semi-Flush Mounted, Double-Ended Case BE1-50BF Installation 9190600990 Rev F...
  • Page 33 Figure 4-2. Outline Dimensions, Side View, Projection Mounted, Double-Ended Case 9190600990 Rev F BE1-50BF Installation...
  • Page 34 Figure 4-3. Outline Dimensions, Front View, Case Cover BE1-50BF Installation 9190600990 Rev F...
  • Page 35 Figure 4-4. Panel Drilling Dimensions, Projection Mounting, Double-Ended Case 9190600990 Rev F BE1-50BF Installation...
  • Page 36 Figure 4-5. Panel Cutting and Drilling Dimensions, Semi-Flush Mounting, Double-Ended Case BE1-50BF Installation 9190600990 Rev F...

  • Page 37: Connections

    Incorrect wiring may result in damage to the relay. Except where noted, connections should be made with wire no smaller than 14 AWG. Typical internal connections are shown in Figures 4-6 and 4-7. External connections are shown in Figures 4-8 through 4-11. Figure 4-6. Typical Internal Connections, Sensing Input Type E 9190600990 Rev F BE1-50BF Installation...
  • Page 38 Figure 4-7. Typical Internal Connections, Sensing Input Type F BE1-50BF Installation 9190600990 Rev F...
  • Page 39 Figure 4-8. Control Circuit Connections (Typical) Non-Isolated Inputs Figure 4-9. Control Circuit Connections (Typical) Isolated Inputs 9190600990 Rev F BE1-50BF Installation...
  • Page 40 Figure 4-10. Typical Connections Sensing Input Type E Figure 4-11. Typical Connections Sensing Input Type F 4-10 BE1-50BF Installation 9190600990 Rev F...

  • Page 41: Maintenance

    Figure 4-12. Contact Sensing Modules, Power Supply Z MAINTENANCE BE1-50BF relays require no preventative maintenance other than a periodic operational check. If the relay fails to function properly, contact Technical Sales Support at Basler Electric to coordinate repairs. STORAGE This protective relay contains aluminum electrolytic capacitors which generally have a life expectancy in excess of 10 years at storage temperatures less than 40°C (104°F).
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  • Page 43 SECTION 5 • TESTING TABLE OF CONTENTS SECTION 5 • TESTING ..........................5-1 OPERATIONAL TEST PROCEDURE ....................5-1 9190600990 Rev F BE1-50BF Testing...
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  • Page 45 Step 14. If supervisory contact sensing is supplied, open switch S1-1 and S1-2. With no current applied to any sensing inputs, apply a simulated supervisory signal to terminals 8 and 9. Instantaneous contacts should close briefly and INST target should be tripped. Reset target. 9190600990 Rev F BE1-50BF Testing...
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  • Page 47 ROUTE 143, BOX 269 HIGHLAND, IL 62249 USA http://www.basler.com, info@basler.com PHONE +1 618-654-2341 FAX +1 618-654-2351...

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