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Copyright © 03/2019 Larsen & Toubro. All Rights Reserved.

Air Circuit Breakers

System of

USERS

’ Manual

80 kA

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Sr.No.:

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UW2-40H

4 Pole 100%N

4000 A

12 kV

80 kA
70 kA
55 kA

500 / 550 V

400 / 440 V

660 / 690 V

80 kA    1.0 s
50 kA    3.0 s

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cu

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UW1-16N

3 Pole 100%N

1600 A

12 kV

50 kA
42 kA
36 kA

500 / 550 V

400 / 440 V

660 / 690 V

50 kA    1.0 s
26 kA    3.0 s

U

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cu

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UW1-25H

4 Pole 100%N

2500 A

12 kV

80 kA
65 kA
55 kA

500 / 550 V

400 / 440 V

660 / 690 V

80 kA    1.0 s
44 kA    3.0 s

Summary of Contents for U-POWER Omega UW-MTX 1.5G

Page 1: ...le 100 N 4000 A 12 kV 80 kA 70 kA 55 kA 500 550 V 400 440 V 660 690 V 80 kA 1 0 s 50 kA 3 0 s Ue I I cs cu Icw UW1 16N 3 Pole 100 N 1600 A 12 kV 50 kA 42 kA 36 kA 500 550 V 400 440 V 660 690 V 50 kA 1...

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Page 6: ...127 181 181 195 195 N S H S H kg In A I 400 2000 2500 Rating Specification Parameters Rating Specification Parameters Frame Frame Version Version Rated Uninterrupted current at 50deg C Rated Uninterr...

Page 7: ...o loose hardwares are left out in the cradle Packing Cradle fixing bracket Step 1 Cut remove the straps Step 1 Cut remove the straps Step 2 Lift the carton and remove any accessories taped to the brea...

Page 8: ......

Page 9: ...o Temperature Range 40 to 85 C Do not stack more than 4 breakers one above the other Ensure that higher frame ACBs are not stacked above lower frame ACBs...

Page 10: ......

Page 11: ...1600A 20 2000A 25 2500A 32 3200A 40 4000A 50 5000A 63 6300A Rated Uninterrupted Current In UW2 25N Version for Breaking Capacity 29a 29b Rated Uninterrupted Current 29c Rated impulse withstand voltage...

Page 12: ...Microswitch...

Page 13: ...CONNECTED TEST DISCONNECTED 15 26 Door Racking Interlock 34 Guide for 16 Smart Racking Shutter 16 15 Racking Handle ocations 25 Withdrawal Rails 27 Breaker Pull out Handle ation...

Page 14: ...te Once racking shutter is opened the breaker can not be closed even by an electrical closing command Pull the breaker out using pull out handles 27 In Maintenance position Breaker can be removed from...

Page 15: ......

Page 16: ...43 176 143 176 176 220 176 220 kA 88 121 143 88 121 143 121 143 88 121 154 88 121 154 121 154 154 187 154 187 kA 76 105 121 76 105 121 105 121 76 110 121 76 110 121 110 121 143 165 143 165 Width 3P mm...

Page 17: ...th 3P mm W Width 4P 100 mm W Depth mm D Height mm H mm mm 100 mm 3P kg 4P 100 kg 3P kg 4P 100 kg 181 130 143 200 20 105 100 200 100 133 115 248 400 4000 I III 50 N10 50 50 N08 50 _ N08 50 447 _ 105 _...

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Page 21: ...All Dimensions in mm In case of Temperature Module mounted on cradle Drawout Circuit Breaker VERSION VERSION DIM B DIM C min DIM C min 400 2000A N N08 D10 S N S H 326 70 45 400 2000A H N08 D10 2500A...

Page 22: ...100 25 5 421 DISCONNECTED These 2 supports are must C C B 300 min 300 min All Dimensions in mm In case of Temperature Module mounted on cradle 400A 2000A N N08 D10 400A 2500A S H Fr 1 4P 100 N VERSIO...

Page 23: ...4 280 100 25 5 421 DISCONNECTED These 2 supports are must C C B 300 min 300 min 400A 2000A N N08 400A 2500A S H Fr 1 4P 100 N VERSION DIM B 400 2000A N N08 S 326 400 2000A H 2500A S H 324 324 VERSION...

Page 24: ...CTED 250 47 5 250 62 4 280 100 49 5 These 3 supports are must C C Available till 3200A VERSION DIM B 400 2500A N S 326 3200 4000A N S 400 4000A N08 N10 H 324 324 400A 4000A N N08 N10 S H Fr 2 4P 100 N...

Page 25: ...V Fr 3 3P Fixed Circuit Breaker Drawout Circuit Breaker A 334 300 min 300 min These 3 supports are must 250 47 5 250 62 4 280 100 49 5 DISCONNECTED 431 35 5 C C Available till 4000A All Dimensions in...

Page 26: ...ivalent BS bolt Drawout Circuit Breaker A 334 300 min 300 min These 4 supports are must 250 47 5 250 62 4 280 100 49 5 200 431 35 5 C C DISCON NECTED Available till 4000A All Dimensions in mm In case...

Page 27: ......

Page 28: ...For Fr 1 Terminal Adapter installation In Fr 3 use equalizer for vertical a single Adaptor for horizontal between two poles Installation of Terminal Adapter for frame 2 400 4000A...

Page 29: ...Upto Frame 3 4000A and 5000A horizontal for bus coupler ACBs only 3200A Upto 4000A Frame 1 Frame 2 Frame 3 N08 H V S H 2500A Vertical termination recommended Height 100 mm CL60976OOOO Width 65 mm CL6...

Page 30: ...3 12 X X 100 150 mm X 100 150 mm X X 15 max...

Page 31: ...nting link s on Flat Terminals to be cumulative link s thickness 15 mm 41 15 D B B Bolt length 100 100 32 32 A A M10 347 C C 105 122 BREAKER RATING ADAPTOR CAT No 400 2000A N N08 D10 S 400 2000A H CL6...

Page 32: ...o be used for link termination Tightening torque 3 2 kgfm Vertical Terminals 400A 1600A N N08 D10 S H Fr 1 3P 2000A N N08 D10 S H Fr 1 3P 100 100 100 100 15 63 A 12 9 65 40 117 5 27 19 65 100 100 100...

Page 33: ...Fr 1 4P M12 Equivalent BS bolts to be used for link termination Tightening torque 3 2 kgfm Bolt length for mounting link s on Flat Terminals to be cumulative link s thickness 15 mm Bolt length 100 10...

Page 34: ...ent BS bolts to be used for link termination Tightening torque 3 2 kgfm 100 100 100 100 100 100 15 27 27 23 100 19 63 72 45 80 8 12 9 100 A 12 9 65 65 40 27 19 Vertical Terminals 400A 1600A N N08 D10...

Page 35: ...15 mm Bolt length Holes on both sides for Earthing connections by M10 Equivalent BS bolt 9 55 41 15 55 133 3 133 3 447 90 C 105 122 32 A M10 B 54 27 133 3 133 3 19 20 63 20 A 74 103 8 48 74 M10 bolts...

Page 36: ...ghtening torque 3 2 kgfm Available till 3200A Vertical Termination 400A 4000A N N08 N10 S H Fr 2 3P 133 3 133 3 133 3 133 3 20 100 A 19 63 54 27 53 77 2 100 VERSION ADAPTOR 400 2500A N S 3200 4000A N...

Page 37: ...ensions in mm M12 Equivalent BS bolts to be used for links termination Tightening torque 3 2 kgfm Top Horizontal Bottom Vertical Termination 4000A S H Fr 2 3P VERSION ADAPTOR 4000A S H CL60977OOOO 72...

Page 38: ...581 M10 27 100 19 12 9 27 133 3 133 3 133 3 20 63 20 A 48 103 8 74 74 M10 bolts to be used for link termination Tightening torque 3 0 kgfm VERSION A B C 400 1600A N S 24 24 81 2 400 16000A N08 N10 H...

Page 39: ...till 3200A Vertical Termination 400A 4000A N N08 N10 S H Fr 2 4P 100 N 133 3 133 3 133 3 133 3 133 3 133 3 20 VERSION ADAPTOR 400 2500A N S 400 2500A N S 3200 4000A N S 3200 4000A N S CL60977OOOO CL60...

Page 40: ...ions in mm M12 Equivalent BS bolts to be used for links termination Tightening torque 3 2 kgfm 72 63 20 53 19 27 27 100 77 2 Top Horizontal Bottom Vertical Termination 4000A S H Fr 2 4P VERSION ADAPTO...

Page 41: ...H V Fr 3 3P Adaptor CL60968OOOO M10 to be used for links termination Tightening torque 3 0 kgfm Bolt length for mounting link s on Flat Terminals to be cumulative link s thickness 15 mm Bolt length 27...

Page 42: ...20 100 100 100 100 100 100 100 100 100 100 65 82 63 40 117 5 27 19 65 19 SEE DETAIL A A C B A A 100 100 100 100 100 100 100 100 100 100 A M12 Equivalent BS bolts to be used for links termination Tight...

Page 43: ...P 100 N Adaptor CL60968OOOO M10 bolts to be used for links termination Tightening torque 3 0 kgfm Holes on both sides for Earthing connections by M10 Equivalent BS bolt M 10 19 63 82 69 30 108 8 69 15...

Page 44: ...V Fr 3 4P 100 N Adaptor CL60976OOOO Vertical Termination 400A 4000A N08 H V Fr 3 4P 100 N 5000A H V Fr 3 4P 100 N M12 Equivalent BS bolts to be used for links termination Tightening torque 3 2 kgfm 10...

Page 45: ...3 27 Termination Draw out Breakers THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 46: ...Termination Draw out Breakers 3 28 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 47: ...for link termination Tightening torque 3 2 kgfm All Dimensions in mm SEE DETAIL A 347 100 100 73 5 56 8 150 105 16 15 27 22 5 65 12 9 88 5 45 15 36 36 M12 105 150 347 100 100 73 5 65 22 5 16 15 15 2 H...

Page 48: ...4P Fr 1 Vertical Terminals FOR 2500A 3P S H Adapter CL60964OOOO Vertical Terminals FOR 2500A 4P S H Adapter CL60964OOOO M12 Equivalent BS bolts to be used for links termination Tightening torque 3 2 k...

Page 49: ...used for link termination Tightening torque 3 2 kgfm 25 5 16 15 SEE DETAIL A DETAIL A 447 100 56 8 65 100 100 73 5 150 105 15 16 27 65 22 5 45 12 9 88 5 15 36 447 100 100 36 M12 105 150 100 73 5 65 15...

Page 50: ...36 15 15 15 16 16 16 25 5 25 5 25 5 77 2 77 2 77 2 77 2 77 2 77 2 65 65 65 36 36 36 36 36 36 133 3 133 3 133 3 133 3 133 3 133 3 90 90 90 447 447 447 105 105 105 140 140 140 M12 M12 bolts to be used...

Page 51: ...27 27 70 25 5 15 16 12 9 150 150 95 5 21 27 27 27 27 Vertical Terminals Adaptor CL60965OOOO 4000A S H Vertical CL60965OOOO Adaptor Horizontal CL60316OOOO Top Horizontal Bottom Vertical Terminal Adapt...

Page 52: ...torque 3 2 kgfm 15 16 25 5 36 36 65 36 77 2 77 2 105 140 133 3 133 3 133 3 90 581 M12 Horizontal Terminals Adaptor CL60964OOOO 400A 3200A N N08 N10 S H Vertical Terminals M12 Equivalent BS bolts to b...

Page 53: ...12 9 4000A S H Fr 2 4P 100 N Top Horizontal Bottom Vertical Terminal Adaptor Horizontal CL60316OOOO 4000A S H 3 35 M12 Equivalent BS bolts to be used for links termination Tightening torque 3 2 kgfm V...

Page 54: ...tening torque 3 2 kgfm All Dimensions in mm Hole on both sides for Earthing connections by M10 Equivalent BS bolt 16 16 16 15 15 15 25 5 25 5 25 5 Horizontal Terminals Bus Coupler Application Only 400...

Page 55: ...3P 6300A H V Fr 3 3P Vertical Terminals 5000A H V Adaptor CL60128OOOO Adaptor CL60067OOOO Adaptor CL60965OOOO 647 73 5 100 100 100 100 100 36 165 M12 20 36 183 28 165 36 36 647 647 73 5 73 5 100 100...

Page 56: ...6 36 56 56 100 100 100 100 105 73 5 Horizontal Terminals Bus Coupler Application Only 400A 4000A Adaptor CL60073OOOO 847 36 165 M12 36 183 40 73 5 100 100 100 100 100 100 65 100 16 15 15 35 5 63 45 6...

Page 57: ...CL60067OOOO Bolt length Vertical Terminals 400A 4000A N08 H V Adaptor CL60128OOOO 847 847 847 73 5 73 5 73 5 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 36 36 3...

Page 58: ...6 Vertical Terminals 5000A H V Adaptor CL60067OOOO Horizontal Terminals For Bus Coupler application only 400A 4000A H V Adaptor CL60073OOOO CL60963OOOO 100 100 12 9 100 100 100 100 747 165 179 36 36 3...

Page 59: ...n Tightening torque 3 2 kgfm Bolt length for mounting link s on Flat Terminals to be cumulative link s thickness 15 mm Bolt length B D B 41 15 Holes on both sides for Earthing connections by M10 Equiv...

Page 60: ...100 100 100 20 M12 Equivalent BS bolts to be used for link termination Tightening torque 3 2 kgfm M12 Equivalent BS bolts to be used for link termination Tightening torque 3 2 kgfm 100 100 100 100 10...

Page 61: ...ng connections by M10 Equivalent BS bolts 32 c A 122 105 133 3 133 3 133 3 B 581 M10 27 100 19 12 9 27 133 3 133 3 133 3 20 63 20 A 48 103 8 74 74 M10 bolts to be used for link termination Tightening...

Page 62: ...ermination Tightening torque 3 2 kgfm Available till 1600A Vertical Termination 400A 2000A N S H Fr 2 4P 200 N 133 3 133 3 133 3 133 3 133 3 133 3 20 27 54 100 23 19 53 12 9 63 100 77 2 VERSION ADAPTO...

Page 63: ...00A 2000A H V Fr 3 4P 200 N M10 to be used for links termination Tightening torque 3 0 kgfm Bolt length for mounting link s on Flat Terminals To be cumulative link s Thickness 15 mm Bolt length 27 100...

Page 64: ...V Fr 3 4P 200 N 65 72 63 40 117 5 27 19 65 19 Breaker Rating Adaptor Cat No Dim A CL60968OOOO 400 2000A 15 CL60982OOOO 2500A 20 M12 Equivalent BS bolts to be used for links termination Tightening torq...

Page 65: ...rizontal Terminals 400A 1000A N S H Adaptor CL60963OOOO 400A 1000A N S H Fr 1 4P 200 N Vertical Terminals 10 4 36 36 56 8 12 5 65 14 5 M12 400A 1000A N S H Adaptor CL60963OOOO M12 bolts to be used for...

Page 66: ...lative link s thickness 20 min to 25 max Bolt length M12 bolts to be used for link termination Tightening torque 3 2 kgfm Adaptor CL60964OOOO Adaptor CL60964OOOO 400A 1600A N S H 200 N 400A 1600A N S...

Page 67: ...al Terminals 400A 2000A H V Adaptor CL60963OOOO 100 100 12 9 100 100 100 105 73 5 647 165 179 36 36 36 56 56 All Dimensions in mm 10 N 10 mm Terminal height difference due to equalizer for Neutral 12...

Page 68: ...50A S H Fr 1 4P 200 N Adapter CL60964OOOO Vertical Terminals FOR 2500A H V Fr 3 4P 200 N Adaptor CL60067OOOO 10 mm Terminal height difference due to equalizer for Neutral N 447 100 100 100 73 5 105 15...

Page 69: ...alent bolts to be used for links termination Tightening torque 3 2 kgfm All Dimensions in mm Frame Size Rating 1 2 3 400 630 800 1000 1250 1600 1 2 3 1 2000 2500 Frame Size Rating ref Page 2 6 for Fra...

Page 70: ...Installation of Phase Barriers 3 52 For Draw out Breakers 0 13 6 2 10 13 8 6 2 R2 DETAIL Z SCALE 1 1 150 4 SEE DETAIL Z 15 28 8 128 4 350 130 90 R 5 R15...

Page 71: ...3 53...

Page 72: ...ept 2 wires for ease of terminating multiple wires Wire specifications 2 2 Min 0 75 mm Max 2 5 mm After termination control wires can be routed through guides provided in the cradle side plates Electr...

Page 73: ...2 23 24 32 33 34 41 42 43 44 D1 D2 A1 A2 C1 C2 TCS 131 132 134 101 102 104 X X1 X2 CN TST DCN CMN N1 N2 Z L Z H AL AL RR AS AS RR 31 Electrical Charging Device 2 Aux Contact NC 3 Aux Contact NC 3 Aux...

Page 74: ...e Closing Release Shunt Release Ready to Close AX AX 2 2m 3 4 5 6 7 1m 4m 6m 8e A2 111 101 121 131 CMN 14 12 22 24 EC EC2 EC1 CH1 CH2 A1 UR D2 D1 RR RR RR 112 102 132 114 104 122 124 134 DCN TST CN 13...

Page 75: ...12 22 24 EC EC2 EC1 A1 UR D2 D1 13 11 23 21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 1G N1 N2 CFM PI Shunt Release Ready to Close 6 7 1m 4m 6m 8e 111 101 121 1...

Page 76: ...22 24 EC EC2 EC1 A1 UR D2 D1 13 11 23 21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 1 5G N1 N2 CFM PI Shunt Release Ready to Close 6 7 1m 4m 6m 8e 111 101 121 1...

Page 77: ...elease AX AX 2 2m 3 4 5 CH2 14 12 22 24 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 2 4 2 1 3 1 3 4 R Y B LOAD SO2 N1 N2 SI1 GI2 AS ACB STATUS ACB STATUS CFM PI Shunt Release Ready to Close U V FaultSignal Shun...

Page 78: ...C EC2 EC1 A1 UR D2 D1 13 11 23 21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 2 5 AL AS AS AL ACB STATUS ACB STATUS CFM PI Shunt Release Ready to Close 6 7 1m 4m...

Page 79: ...2 EC1 A1 UR D2 D1 13 11 23 21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 2 5G AL AS AS N1 N2 AL ACB STATUS ACB STATUS CFM PI Shunt Release Ready to Close 6 7 1m...

Page 80: ...3 11 23 21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 3 5 C G D C H AL AS AS N1 N2 Z H Z L C L AL M G D V1 V3 V0 V2 ACB STATUS ACB STATUS CFM PI Shunt Release Re...

Page 81: ...21 2 4 2 4 1 3 1 3 AX AX 34 32 44 42 33 31 43 41 2 4 2 1 3 1 3 4 N R Y B LOAD UW MTX 3 5EC 3 5H C G D C H AL AS AS N1 N2 Z H Z L C L AL M G D V1 V3 V0 V2 ACB STATUS ACB STATUS CFM PI Shunt Release Re...

Page 82: ...Section 4 System of ACB s Accessories Features Mounting 4 1 Cradle Mounted Accessories 4 2 Breaker Mounted Accessories...

Page 83: ...4 1 4 1 Cradle Mounted Accessories...

Page 84: ...4 2...

Page 85: ...4 3...

Page 86: ...4 4...

Page 87: ...4 5...

Page 88: ...4 6...

Page 89: ...4 7...

Page 90: ...4 8 4 2 Breaker Mounted Accessories...

Page 91: ...band of operation from 10 to 130 This allows tripping of breaker even in case of a substantial dip in control supply voltage Tools required None Installation Drop fit the Shunt release in the assigne...

Page 92: ...4 10...

Page 93: ...4 11...

Page 94: ...4 12...

Page 95: ...4 13...

Page 96: ...e Lock Actuator Adaptors Plugs Lock plate Castell Ronis Profalux Assemble hardware on the Lock and tighten screw Assemble Adaptor and hardware Assemble Adaptor and hardware Remove click fit cap and dr...

Page 97: ...Section 5 Protection Control units 5 1 Identification 5 2 Protection Characteristics...

Page 98: ...s UW MTX1 0 Query key BCD Switches Identification Label Test Kit Connector UW MTX 1 5G UW MTX1 5G 1 2 3 4 5 TO ACCESS TEST KIT SOCKET BREAKER RATING REMOVE THIS FLAP OLED Display UW MTX1Gi 1 2 3 4 5 T...

Page 99: ...D Fault Indication LEDs UW MTX 2 5 Query key Navigation Keys Identification Label OLED Display UW MTX 3 5EC UW MTX 3 5H Communication Module Configurator Metering Module UW MTX 3 5 Test Kit Connector...

Page 100: ...Phase THD metering R Y B Phase THD metering Upto 13th harmonic Upto 13th harmonic I IREF Earth Leakage Restricted EF Current Imax Maximum running current per phase Load Percentage Loading per phase A...

Page 101: ...0 4 OFF 0 2 0 3 0 4 0 5 0 6 Overload Neutral 50 100 150 200 Same as Overload Phase Short Circuit 0 6 1 1 5 2 3 4 6 8 10 12 OFF 1 5 2 3 4 6 8 10 12 15 20 100 200 300 400 ms Factory Settings Overload P...

Page 102: ...ip Alarm Both Protection Enable Disable x x Pick Up In x Delay Mode Trip Alarm Both Protection Enable Disable x x Pick up Vs Vn x Delay Vs reset Under Voltage 0 7 to 0 95 in steps of 0 01 100 ms to 5s...

Page 103: ...EF TM TCS Phase Sequence 100ms to 5s in steps of 100ms Bkr Failure 50 ms to 2 s in steps of 0 05 s OLED display MD Reactive Deliver Receive 0 4 to 1 in steps of 0 01 MD Apparent Deliver Receive 0 4 to...

Page 104: ...5 7 Protection Characteristics Overload I T for UW MTX1 0 2 0 1 1 10 100 1000 10000 10s...

Page 105: ...s 5 8 0 1 1 10 100 1000 10000 1 2 3 4 5 6 7 8 9 10 Current Multiples x Ir Trip Time s 0 5 s 1 s 2 s 4 s 6 s 12 s 18 s 24 s 30 s 1 2 Tolerance Trip Time 20 Overload I T for UW MTX1 0 1G 1Gi 1 5G 1 5Gi...

Page 106: ...Overload I T for UW MTX2 5 2 5G 3 5 3 5EC 3 5H 4 Protection Characteristics 5 9 0 01 0 1 1 10 100 1000 10000 100000 1 2 3 4 5 6 7 8 9 10...

Page 107: ...Protection Characteristics Overload SI for UW MTX2 5 2 5G 3 5 3 5EC 3 5H 5 10 0 1 1 10 100 1000 10000 1 2 3 4 5 6 7 8 9 10...

Page 108: ...Protection Characteristics 5 11 Overload LI VI for UW MTX2 5 2 5G 3 5 3 5EC 3 5H 0 1 1 10 100 1000 10000 1 2 3 4 5 6 7 8 9 10...

Page 109: ...tection Characteristics 0 01 0 1 1 10 100 1000 10000 0 01 0 1 1 10 50 Current Multiples x In Trip Time s 0 02 0 1 0 2 0 3 0 4 0 6 12 2 Short Circuit I T ON for UW MTX1G 1 5G 1Gi 1 5Gi 2 5 2 5G 3 5 3 5...

Page 110: ...Characteristics 5 13 0 6 0 01 0 1 1 10 100 1000 10000 0 1 1 10 50 12 0 6 0 02 0 1 0 2 0 3 0 4 Current Multiples x In Trip Time s 2 Short Circuit I T OFF for UW MTX1 0 1G 1Gi 1 5G 1 5Gi 2 5 2 5G 3 5 3...

Page 111: ...Protection Characteristics 5 14 0 01 0 1 1 10 100 0 01 0 1 1 10 Current Multiples x In Trip Time s 1 5 15 Instantaneous for UW MTX1 0 1G 1Gi 1 5G 1 5Gi 2 5 2 5G 3 5 3 5EC 3 5H...

Page 112: ...ction Characteristics 5 15 2 Earth Fault I T ON for UW MTX1G 1Gi 1 5G 1 5Gi 0 01 0 1 1 10 100 1000 10000 0 01 0 1 1 10 50 0 4 s 0 1 s 2 4 0 8 0 2 0 3 0 4 0 5 0 6 Current Multiples x In Trip Time s 0 8...

Page 113: ...Protection Characteristics 5 16 2 Earth Fault I T OFF UW MTX1G 1Gi 1 5G 1 5Gi 0 01 0 1 1 10 100 0 1 1 10 50 Current Multiples x In Trip Time s 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 9 1 0 8 0 2 0 6...

Page 114: ...Protection Characteristics 5 17 2 Earth Fault I T ON for UW MTX 2 5G 3 5 3 5EC 3 5H 0 4 2 4 0 1...

Page 115: ...Protection Characteristics 5 18 2 Earth Fault I T OFF UW MTX2 5G 3 5 3 5EC 3 5H 0 01 0 1 1 10 100 0 1 1 10 50 Current Multiples x In Trip Time s 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 9 1 0 8 0 2 0 6...

Page 116: ...6 Putting System Of Breakers in Operation 6 1 Re loading in panel 6 2 Checking ON OFF operation 6 3 Testing 6 4 Setting P C unit 6 5 Trip simulation of P C unit 6 6 ACB s in Connected Position 6 7 Se...

Page 117: ...essed open the Racking Shutter 16 In case panel door is open also gently depress the Door Racking Interlock 26 Ensure that Breaker rests correctly in 2 slots on either side of cradle rail 38 If equipp...

Page 118: ...6 2 6 2 Checking ON OFF Operation DISCHARGED O CHARGED O I DISCHARGED Now the Breaker is and Spring is DISCHARGED O...

Page 119: ...6 3 6 3 Testing Control circuit Interlocks if breaker is equipped with accessories...

Page 120: ...G 1 5Gi 6 4 Configuring P C Unit ZSI E F S C To activate ZSI E F and ZSI S C set the ZSI E F and ZSI S C DIP Switch to ON position ZSI Protection UW MTX1 0 1G 1Gi 1 5G 1 5Gi NOTE UW MTX1 0 has fixed d...

Page 121: ...4000 5000 6300 1 System Settings Save Settings Yes No I frame and In values shall be programmed as per following look up table Current Menu Password Settings Config Mode View Mode I1 I2 I3 0A 0A 0A S...

Page 122: ...View Records Metering Password Config Mode MTX Unit Protection System Settings Unit Settings 0 1 2 3 4 5 6 7 8 9 MTX Unit Configurater Modbus Press SEL key Select Settings by SEL key Select Config Mod...

Page 123: ...memory Thermal memory help to reduce the trip time of the unit in case of recursions of overload Short Circuit Excessive currents though the conductors can cause circuit damage fire explosion This pro...

Page 124: ...Sensing of fault current communicating occurrence of fault signal to the main release is being done by an earth leakage module Under current Decrease in any phase current below threshold leads to unde...

Page 125: ...ction of power depends on that of the current flowing Leading PF It checks whether the power factor is increasing beyond the set value when load is capacitive Lagging PF When the power factor for indu...

Page 126: ...with multi functional key operation Graphical display OLED Continuous battery monitoring feature CT Continuity test feature Memory card for data storage of test scripts and records extendable up to 32...

Page 127: ...r Commissioning activities 4 Check LED indication on P C unit Metering display UN RS2GT PICK UP Ir 50 60 0 4 0 8 0 85 1 0 100 70 80 90 x Ir x In 0 5 0 6 0 7 0 75 0 5 1 2 4 12 18 24 30 3 DELAY Tr s POW...

Page 128: ...ER Omega offers several security features to prevent unauthorized access and inadvertent operation Padlocking both buttons Sealing Either Both buttons Locking any one button 6 12 6 7 Securing your Bre...

Page 129: ...Section 7 Maintenance Operations 7 1 Maintenance schedule Operations 7 2 Accessories and Spares...

Page 130: ...aker Identify the fault Reset P C unit 7 1i When any Electrical accessory needs replacement Replace the specific accessory 7 1j When breaker clears a major fault Inspect Arc Chutes for erosion replace...

Page 131: ...or Racking interlock prevents opening of smart racking shutter 16 and thus racking in out of the breaker when panel door is open If it is necessary to rack out the breaker with panel door open racking...

Page 132: ...roded the rear edge moves in the direction indicated by an arrow in the shaded area Condition of contact is indicated by alignment of the rear edge with one of 3 markings on the indicator This feature...

Page 133: ...ide Plates 9 Guiding surface of cradle SIC Bridge 1 3 6 7 8 2 4 5 9 A All releases all connectors B Main contacts in pole top terminal breaker adaptors jaw clusters breaker cradle terminals F All type...

Page 134: ......

Page 135: ...Moving part of the pole can now be removed To take out fixed part of the pole remove 1 screw from rear side and 2 screws from top as shown...

Page 136: ...7 7...

Page 137: ...16O1OO 220V CL90816OBOO 250V CL90816OBOO SRW AC 240V CL90823OBOO Wideband10 130 50Hz 415V CL90823ODOO 3 UndervoltageRelease AC 110V CL90818AOOO With Without Delay UVR 50 60Hz 240V CL90818BOOO 415V CL9...

Page 138: ...al CL60965OOOO Fixed ACBs 400 2000A N N08 D10 S Horiz Vert CL60967OOOO 400 2000A H Horiz Vert CL60968OOOO 2500A S H Vertical CL60976OOOO 400 2500A N S Horiz Vert CL60122OOOO 3200 4000A N S Horiz Vert...

Page 139: ...ing hooks CL60406OOOO 1 1 Secondary Isolating Contacts Connected Test position CL95825OOOO 1 block As for Breaker Cradle 10 each required Electrical position CL95826OOOO 1 1 indication 19 Panel Door F...

Page 140: ...OO Fr 2 4000A S H Version CL90643OOOO Fr 3 400 6300A H Version CL93181OOOO Fr 3 400 6300A V Version CL93182OOOO Fr 3 400 4000A N08 Version CL90639OOOO Fr 1 400 1600A N Version Per Pole 4 Fr 1 2000A N...

Page 141: ...CL00704OOOO 400 630 800A CL00726OOOO 1000 1250 1600A CL00727OOOO 2000A 2500A 3200A 4000A CL00705OOOO 5000A 6300A CL00706OOOO 400 630 800A CL00717OOOO 1000 1250 1600A CL00718OOOO Frame 1 2000 2500A CL0...

Page 142: ...Section 8 Useful Hints...

Page 143: ...acking Interlock 26 is active Breaker is in between Connected Test Disconnected position Position Indicator is not aligned with any of the positions Close the Smart Racking Shutter Insert Racking Hand...

Page 144: ...material of bus bar healthiness of bus bar joints panel construction and ventilation etc Popular Aluminium Termination Horizontal with Terminal adaptor Vertical with Terminal adaptor Frame Size 1 6 mm...

Page 145: ...4000 7200 150 4 runs Copper termination recommended Note Above table is based on extensive study of popular bus bar sizes used to terminateAir Circuit Breakers However other bus bar sizes in terms of...

Page 146: ...l construction and ventilation etc Not as per standard but generally followed Frame 3 400 4000A N08 H V 5000 6300A H V Note Above table is based on extensive study of popular bus bar sizes used to ter...

Page 147: ...rature rise test However de rating of switchgear depends on others factors such as cross section area orientation and material of bus bar healthiness of bus bar joints panel construction and ventilati...

Page 148: ...important role in calculation of watt loss data Total watt loss Value is measured at rated current In of a 3 poleAir Circuit Breaker at 50 60 Hz W 3 x In 2 x R where R is the resistance measured acro...

Page 149: ...us process at L T For the latest information please contact us Switchgear ACB SP50374 0114 Electrical Standard Products Electrical Electronics Division Powai Campus Mumbai 400 072 India Tel 91 22 6705...

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