Summary of Contents for BE1-51A

Page 1: ...SINGLE PHASE TIME OVERCURRENT RELAY MODEL NUMBER BE1 51A f wr m Basie Electric m HtfNend Nkoo OS 1 04OL 0JUtl MCSWP Basler Electric Highland Illinois Publication 9 2011 00 990 Revision F Courtesy of...

Page 2: ...ice Manual publication 9 2011 00 620 is available as an aid in troubleshooting and repair WARNING TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE ONLY QUALIFIED PERSONNEL SHOULD PERFORM THE PROCEDURES PR...

Page 3: ...IC COMPANY It is not the intention of this manual to cover all details and variations in equipment nor does this manual provide data for every possible contin gency regarding installation or operation...

Page 4: ...ickup Timing Outputs Targets SECTION 4 TESTING AND INSTALLATION 3 2 3 2 3 2 3 2 3 2 3 3 3 3 4 1 4 1 General Relay Operating Precautions Dielectric Test Mounting Connections Operational Test Procedure...

Page 5: ...etween fault currents and transitory overloads Table 1 1 illustrates typical applications for the standard time overcurrent characteristic curves INSTANTANEOUS OVERCURRENT MONITORING One instantaneous...

Page 6: ...one U1 Short Inverse A Internally Operated A Semi Flush Mounting A1 Size Case 1 0 5 4 0 A Pickup Adjust U2 Long Inverse Currant Operated U3 Definite B Projection Mounting A1 Size Case 2 1 0 12 0 A Pic...

Page 7: ...5 2 0 2 5 3 0 4 0 5 0 6 0 7 5 10 and 12 Setting selection is facilitated by a TAP block and screw arrangement At 25 C within 2 of the selected tap setting except for the 12 A tap which is within 5 Cu...

Page 8: ...AP Figure 1 1 Typical Instantaneous Response Characteristics Targets Magnetically latched manually reset target indicators are optionally available to indicate that a trip output contact has energized...

Page 9: ...utput terminals a HIP0T test cannot be performed A megger test 500 Vdc maximum is recommended if an insulation verification is required The following are acceptable values Dielectric Test All terminal...

Page 10: ...06 0 158 j 0 003 0 093 j 0 003 0 062 j 0 001 0 047 j 0 001 0 029 j 0 001 0 021 j 0 001 0 017 j 0 014 j 0 011 j 0 009 j 0 226 j 0 002 0 162 j O OOl 0 109 j 0 002 0 066 j 0 002 0 045 j O OOl 0 034 j O O...

Page 11: ...2 2 MULTIPLES OF PICK UP SETTING Figure 1 2 Type W1 Characteristic Curves Short Inverse Drawing Number 1124 1 7 Baaler Electric Highland Illinois Courtesy of NationalSwitchgear com...

Page 12: ...N O O O O w M to OO o O O O O M to 00 o CM MULTIPLES OF PICK UP SETTING Figure 1 3 Type W2 Characteristic Curves Long Inverse Drawing Number 1125 1 8 Basler Elactric Highland Iknots Courtesy of Nation...

Page 13: ...0 60 40 20 10 0 08 0 06 0 04 0 02 0 01 o o o o M ID 00 O CM M D CO MULTIPLES OF PICK UP SETTING Type W3 Characteristic Curves Definite Drawing Number 1126 1 9 Batltr Electric Highland Ittnois Courtesy...

Page 14: ...Z Figure 1 5 Type W4 Characteristic Curves Moderately Inverse Drawing Number 1127 1 10 Baaler Electric Highland Mino Courtesy of NationalSwitchgear com...

Page 15: ...0 60 40 20 10 z I 0 08 0 06 0 04 0 02 0 01 O O O o D 00 O CN m o 00 MULTIPLES OF PICK UP SETTING Type W5 Characteristic Curves Inverse Drawing Number 1128 1 11 Baaler Electric Highland IMnot Courtesy...

Page 16: ...0 2 0 II 1 0 0 8 0 6 0 4 0 2 0 1 0 08 0 06 0 04 0 02 0 01 o o CN D GOO __ CO 00 CN MULTIPLES OF PICK UP SETTING Figure 1 7 Type W6 Characteristic Curves Very Inverse Drawing Number 1129 1 12 Basler El...

Page 17: ...o o o o ___ CD GO O o o o CO DO CM CM MULTIPLES OF PICK UP SETTING Figure 1 8 Type W7 Characteristic Curves Extremely Inverse Drawing Number 1130 1 13 Beeler Electric Highland lUnota Courtesy of Nati...

Page 18: ...in 01 increments A setting of 00 provides an instantaneous response to the overcurrent condition C TIME DIAL INST ADJUST Optional Multi turn potentiometer used to establish the pickup level for the I...

Page 19: ...51A SOLID STATE TIME OVERCURRENT RELAY K1E B5M B1N1A 0 5 0 6 0 7 0 8 1 0 1 2 ooooo oooooo 1 5 2 0 2 5 3 0 3 75 4 0 REMOVE CONNECTING PLUG BEFORE CHANGING TAP POSITION CAUTION Figure 2 1 Location of C...

Page 20: ...em transformer The sensing input transformer is nominally rated at 50 60 Hz with a maximum burden of 10VA at TAP value current The continuous current rating is dependent upon the input range selected...

Page 21: ...aneous overcurrent function is continuously adjustable from 1 to 40 times the selected TAP setting for the timed function The monitored current is scaled and rectified to a representative value then c...

Page 22: ...ly open NO or normally closed NC as determined by the style chart An optional auxiliary output contact which operates simultaneously with the main timed output may be selected for the time trip functi...

Page 23: ...ent operated targets 1 Do not touch target indicator vanes Always reset targets by use of the target reset lever The relay is a solid state device If a wiring insulation test is required remove the co...

Page 24: ...page 4 8 Should the data obtained from these procedures not fall within the specified tolerances consider the following when evaluating results 1 The inherent error of the test equipment used Possibl...

Page 25: ...0 15A 12 0 0 24A 0 8 1 5 4 0 7 5 3 0 12 0 4 0 NOTE Verify target and if present auxiliary relay operation with each trip of the main output Reset target after each trip TIMING Instantaneous Response T...

Page 26: ...ETALED INSTRUCTIONS SEE TTC TERMNAL PROJECTION MOUNTNG KIT SUPPLED X L 75 l9 0 75 19 1 MOUNTING PANEL MOUNTING PANEL1 PROJECTION MOUNTED SEMI FLUSH MOUNTED 5 69 144 5 25 6 4 DIA 4 PLACES 284 4 1 63 16...

Page 27: ...5 6 35 A 4 PLACES 8 63 8 25 219 1 4 03 209 6 102 4 f T f 4 03 4 31 4 13 104 8 10 32 SCREWS 102 4 109 5 I l I 7 JO L 3 03 TZj 77 0 n I O 75 19 1 606 154 0 MOUNTING PANEL OUTLINE DIMENSIONS DRILLING DIA...

Page 28: ...S TERMNAL EXTENSON CTYPCAU FOR DETAJLH NSTHUCTONS SEE TVE TBUNAL PROJECTION MOUNTNQ KTT SUPPLED 31 4 28 i 108 7 4 i 1 47 373 UJ t s 10 19 1 75 19 1 DIA 10 PLACES 1 00 25 4 MOUNTING PANEL 133 4 B A OPT...

Page 29: ...51A 4 4 51A 3 5VA 5 l TARGET l TARGET J 51A JL51A 51A OVERCURRENT RELAY BREAKER TRIP COIL T INST 52 51A 51A TC 6 2 52o BREAKER AUXILIARY CONTACTS INSTANTANEOUS OVERCURRENT TIMED INST T A 52a AUXILIAR...

Page 30: ...be purchased locally The quality of replacement parts must be at least equal to that of the original components Where special components are involved Basler Electric part numbers may be obtained from...

Page 31: ...ON Time overcurrent curves redrawn terminal 7 Figure 4 4 corrected by showing E F Page 1 5 Because of the installed surge suppression components it is not practical to perform an isolation test Accord...

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