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ROUTE 143, BOX 269 

HIGHLAND, IL 62249 USA 

http://www.basler.com, [email protected] 

PHONE +1 618-654-2341 

FAX +1 618-654-2351 

Summary of Contents for BE1-50B-230

Page 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAYS BE1 50 51B 230 and BE1 50 51B 234 Publication 9252000894 Revision D 05 08...

Page 2: ......

Page 3: ...Controls and Indicators Functional Description Installation and Maintenance Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this...

Page 4: ...operation The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BO...

Page 5: ...SW3 Minor corrections in Section 5 Testing C 03 08 Updated front panel drawings B 11 07 Added 9252000234 1 amp relay A 12 06 Revised target current ranges stated throughout the manual Clarified conti...

Page 6: ...iv BE1 50 51B 230 234 Introduction 9252000894 Rev D This page intentionally left blank...

Page 7: ...230 234 Introduction v 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 APPENDIX...

Page 8: ...vi BE1 50 51B 230 234 Introduction 9252000894 Rev D This page intentionally left blank...

Page 9: ...B Element 1 3 Current Sensing Input 1 3 Frequency Response 1 5 Transient Response 1 5 Harmonic Rejection 1 5 Target Indicators 1 6 Output Contacts 1 7 Type Tests 1 7 Agency Recognition 1 7 Environment...

Page 10: ...ii BE1 50 51B 230 234 General Information 9252000894 Rev D This page intentionally left blank...

Page 11: ...dependent time and instantaneous elements A secure method to manually trip the breaker at the relay front panel Direct reading front panel controls Minimum pickup setting for safety during installatio...

Page 12: ...aracteristic Timing Accuracy 1 cycle 2 This accuracy applies to the range of 1 3 to 40 times tap and is for a given measured multiple of tap Fixed Timing Setting Range 0 1 to 9 9 s Setting Increment 0...

Page 13: ...at no intentional delay Appendix A Characteristic Curves illustrates the characteristic curve for the 50 A and 50 B elements Reset Characteristic Resets within 16 ms of when sensed current decreases...

Page 14: ...nsing Input 0 0 4 0 8 1 2 1 6 2 2 4 2 8 3 2 40 20 0 20 40 60 Ambient Temperature C Current Aac Figure 1 2 Current Sensing Input Derating Curve BE1 50 51B 234 BE1 50 51B 230 Burden Figure 1 3 illustrat...

Page 15: ...0 20 40 60 80 100 120 140 0 2 4 6 8 10 Input Current Amps Burden in VA rms Figure 1 4 Current Sensing Input Burden BE1 50 51B 234 Frequency Response A change of 5 Hz from the nominal 50 60 Hz current...

Page 16: ...rget indicator is not provided for the 50 B trip output The level of trip circuit current required to operate each target is individually controlled by a circuit board jumper See Section 2 Controls an...

Page 17: ...tings 120 240 Vac 125 250 Vdc Make and carry 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0 3 ampere L R 0 04 Terminal Assignments 51 Element 1 2 50 A Elem...

Page 18: ...1 8 BE1 50 51B 230 234 General Information 9252000894 Rev D This page intentionally left blank...

Page 19: ...CONTROLS AND INDICATORS 2 1 CIRCUIT BOARD CONTROLS 2 3 Figures Figure 2 1 Front Panel Controls and Indicators 2 1 Figure 2 2 Circuit Board Controls 2 3 Figure 2 3 View of 50 B Pickup Selector Switches...

Page 20: ...ii BE1 50 51B 230 234 Controls and Indicators 9252000894 Rev D This page intentionally left blank...

Page 21: ...relay controls and indicators are located on the front panel and circuit board FRONT PANEL CONTROLS AND INDICATORS Front panel controls and indicators are illustrated in Figure 2 1 and described in Ta...

Page 22: ...NOTE When testing time overcurrent functions instantaneous pickup settings of 00 will affect the calibration of the time functions Time pickup settings of 00 also affect instantaneous functions F Tar...

Page 23: ...d controls consist of two rotary selector switches a four position slide switch and two jumpers Circuit board controls are illustrated in Figure 2 2 and described in Table 2 2 The locators and descrip...

Page 24: ...Instantaneous Overcurrent B Pickup Selector Switches These two screwdriver adjusted rotary switches select the instantaneous overcurrent B 50 B pickup current setting in amperes The 50 B pickup switch...

Page 25: ...9252000894 Rev D BE1 50 51B 230 234 Controls and Indicators 2 5 Figure 2 3 View of 50 B Pickup Selector Switches BE1 50 51B 230 Figure 2 4 View of 50 B Pickup Selector Switches BE1 50 51B 234...

Page 26: ...2 6 BE1 50 51B 230 234 Controls and Indicators 9252000894 Rev D This page intentionally left blank...

Page 27: ...PTION TABLE OF CONTENTS SECTION 3 FUNCTIONAL DESCRIPTION 3 1 INTRODUCTION 3 1 FUNCTION BLOCK DESCRIPTIONS 3 1 Current Sensing Input 3 1 Power CT and Power Supply 3 1 Signal Conditioning 3 1 Microproce...

Page 28: ...ii BE1 50 51B 230 234 Functional Description 9252000894 Rev D This page intentionally left blank...

Page 29: ...nal Conditioning Current from the signal CT is rectified and applied to three independent sets of scaling resistors controlled by the Time Overcurrent 51 Instantaneous Overcurrent A 50 A and Instantan...

Page 30: ...nd instantaneous overcurrent B 50 B is equipped with a set of normally open contacts rated for tripping duty A system circuit breaker controlled by the 51 or 50 A output contacts can be manually tripp...

Page 31: ...ENTS SECTION 4 INSTALLATION 4 1 INTRODUCTION 4 1 FACTORY SETTINGS 4 1 INSTALLATION 4 1 CONNECTIONS 4 2 APPLICATION COORDINATION 4 3 MAINTENANCE 4 4 STORAGE 4 4 Figures Figure 4 1 Typical AC Connection...

Page 32: ...ii BE1 50 51B 230 234 Installation 9252000894 Rev D This page intentionally left blank...

Page 33: ...racteristics J1 pins 2 3 50 A minimum target operating current of 80 to 200 mA J2 pins 1 2 51 minimum target operating current of 0 9 to 2 25 A INSTALLATION The relay must be configured with the appro...

Page 34: ...4 2 BE1 50 51B 230 234 Installation 9252000894 Rev D CONNECTIONS Typical ac and dc connections are shown in Figures 4 1 and 4 2 Figure 4 1 Typical AC Connections...

Page 35: ...is configured with the following settings Integrating reset enabled SW3 4 ON Time characteristic curve E extremely inverse selected ABB type curves selected SW3 3 OFF Time dial set at 2 0 The feeder r...

Page 36: ...nd has not gone to zero TC value TA because rewind has not gone to zero Figure 4 3 Coordination Timing Diagram MAINTENANCE BE1 50 51B 230 and BE1 50 51B 234 relays require no preventative maintenance...

Page 37: ...51B 234 One Ampere Sensing Input 5 7 Time Overcurrent 51 Pickup 5 7 Time Dial 5 7 Integrating Reset 5 7 Instantaneous Overcurrent A 50 A Pickup 5 8 Instantaneous Overcurrent B 50 B Pickup 5 9 Target...

Page 38: ...ii BE1 50 51B 230 234 Testing 9252000894 Rev D This page intentionally left blank...

Page 39: ...ith a range of 0 to 3 0 Aac target operation Timer or counter Model BE1 50 51B 230 Five Ampere Sensing Input Time Overcurrent 51 Pickup 1 Connect and configure the relay for 51 pickup testing a Connec...

Page 40: ...CKUP 50 B accessed at the top side of the assembly to F0 15 0 Aac 2 Prepare to apply 1 5 Aac to terminals 5 and 6 and record the elapsed time from when current is applied until the 51 output contacts...

Page 41: ...W3 4 ON integrating reset characteristic c Set TIME DIAL to 0 0 d Set CURVE to S e Set TIME PICKUP to 15 0 f Set INST PICKUP 50 A to 02 g Set INST PICKUP 50 B accessed at the top side of the assembly...

Page 42: ...reset characteristic c Set TIME DIAL to 0 0 d Set CURVE to S e Set TIME PICKUP to 15 0 f Set INST PICKUP 50 A to 90 g Set INST PICKUP 50 B accessed at the top side of the assembly to 20 2 0 Aac 2 App...

Page 43: ...source and verify that the Time target operates at the level of current determined by the Target Operating Current Jumpers The Target Operating Current Jumpers are located on the circuit board and ide...

Page 44: ...INST PICKUP 50 A to 90 g Set INST PICKUP 50 B accessed at the top side of the assembly to 20 2 0 Aac 2 Apply 0 9 Aac to terminals 5 and 6 0 9 Aac provides relay operating power but is below the picku...

Page 45: ...Connect and configure the relay for time dial testing a Connect the test setup shown in Figure 5 5 b Set circuit board switch SW3 as follows SW3 1 ON for 50 Hz operation or OFF for 60 Hz operation SW3...

Page 46: ...5 6 b Set circuit board switch SW3 as follows SW3 1 ON for 50 Hz operation or OFF for 60 Hz operation SW3 2 OFF no additional time delay for the 50 A element SW3 3 ON GE IAC type characteristic curve...

Page 47: ...reset characteristic c Set TIME DIAL to 0 0 d Set CURVE to S e Set TIME PICKUP to 3 18 f Set INST PICKUP 50 A to 18 0 g Set INST PICKUP 50 B accessed at the top side of the assembly to 20 0 4 Aac 2 Ap...

Page 48: ...source and verify that the Time target operates at the level of current determined by the Target Operating Current Jumpers The Target Operating Current Jumpers are located on the circuit board and ide...

Page 49: ...NST PICKUP 50 A to 18 0 g Set INST PICKUP 50 B accessed at the top side of the assembly at 20 0 4 Aac 2 Apply 0 18 Aac to terminals 5 and 6 0 18 Aac provides relay operating power but is below the pic...

Page 50: ...5 12 BE1 50 51B 230 234 Testing 9252000894 Rev D This page intentionally left blank...

Page 51: ...Characteristic Curve SW3 3 Off Similar to ABB CO 8 A 7 Figure A 7 Very Inverse V Time Characteristic Curve SW3 3 Off Similar to ABB CO 9 A 8 Figure A 8 Extremely Inverse E Time Characteristic Curve SW...

Page 52: ...ii BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D This page intentionally left blank...

Page 53: ...ntaneous A 50 A element can be set for no intentional delay switch SW3 2 open or a fixed delay of 100 ms SW3 2 closed Figure 2 2 illustrates the location of SW3 The time delay of the 50 B element is n...

Page 54: ...ABB CO 7 A 5 0 3022 0 12840 1 000 0 5000 0 028 1 750 I ABB CO 8 A 6 8 9341 0 17966 1 000 2 0938 0 028 9 000 V ABB CO 9 A 7 5 4678 0 10814 1 000 2 0469 0 028 5 500 E ABB CO 11 A 8 7 7624 0 02758 1 000...

Page 55: ...acteristic Curves A 3 Characteristic Curves Figures A 2 through A 15 illustrate the BE1 50 51B 230 and BE1 50 51B 234 time overcurrent characteristic curves Figure A 2 Short Inverse S Time Characteris...

Page 56: ...A 4 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 3 Long Inverse L Time Characteristic Curve SW3 3 Off Similar to ABB CO 5...

Page 57: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 5 Figure A 4 Definite Time D Time Characteristic Curve Similar to ABB CO 6...

Page 58: ...A 6 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 5 Moderately Inverse M Time Characteristic Curve Similar to ABB CO 7...

Page 59: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 7 Figure A 6 Inverse I Time Characteristic Curve SW3 3 Off Similar to ABB CO 8...

Page 60: ...A 8 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 7 Very Inverse V Time Characteristic Curve SW3 3 Off Similar to ABB CO 9...

Page 61: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 9 Figure A 8 Extremely Inverse E Time Characteristic Curve SW3 3 Off Similar to ABB CO 11...

Page 62: ...A 10 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 9 BS142 Very Inverse BS142 B Time Characteristic Curve...

Page 63: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 11 Figure A 10 BS142 Extremely Inverse BS142 C Time Characteristic Curve...

Page 64: ...A 12 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 11 Short Inverse S2 Time Characteristic Curve SW3 3 On Similar to GE IAC 55...

Page 65: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 13 Figure A 12 Long Inverse L2 Time Characteristic Curve SW3 3 On Similar to GE IAC 66...

Page 66: ...A 14 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 13 Inverse I2 Time Characteristic Curve SW3 3 On Similar to GE IAC 51...

Page 67: ...9252000894 Rev D BE1 50 51B 230 234 Characteristic Curves A 15 Figure A 14 Very Inverse V2 Time Characteristic Curve SW3 3 On Similar to GE IAC 53...

Page 68: ...A 16 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Figure A 15 Extremely Inverse E2 Time Characteristic Curve SW3 3 On Similar to GE IAC 77...

Page 69: ...IC The relay can be user configured for integrating or instantaneous type reset Integrating reset simulates the disk reset of electromechanical relays and begins when the current decreases below 95 of...

Page 70: ...A 18 BE1 50 51B 230 234 Characteristic Curves 9252000894 Rev D Instantaneous Reset Reset occurs within 16 ms of when the current decreases to 95 of the pickup level...

Page 71: ...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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