circuit breaker specifications pdf

MCB is a resettable protective device that protects against situations like Overload and Short Circuit. 0000004692 00000 n 0000033189 00000 n 0000002676 00000 n 0000024949 00000 n TECH.SPEC SS1802 REV 6 HIGH VOLTAGE CIRCUIT BREAKERS (230kV, 115kV & 69kV) Page 4 of 56 2.10 Certified design test reports (in pdf format) as per C37.09 on each type of high voltage circuit breaker to be furnished of the same rating and design being 0000002386 00000 n IEC 60898-1 Electrical accessories-Circuit-breakers for overcurrent protection for house hold and similar installation-Part 1. 0000003262 00000 n 2.6 ANSI C37.12 “Guide to Specifications for AC High Voltage Circuit Breakers Rated on A Symmetrical Current Basis or a Total Current Basis” 2.7 ANSI C37.20.2 “Metal Clad and Station Type Cubicle Switchgear (above GB10963.1 Circuit breakers with overcurrent protection for household and similar places - Part 1: Circuit breakers for AC. Private Bag X2016, Isando 1600. According to IEEE Standard C37.13, “The rated maximum voltage of a circuit breaker is the highest RMS voltage, three-phase or single-phase, at which it is designed to perform. 4�k�А�Y��dqj�il�$�za�T�x�II��η"`�5�Fq��6-�⢴A$'R��@'�&S��j�!�f��t�ʹ��$2�M�nHn�Jb!�b '�x�A��_�5p��ԇ�XL�mR�8\S��v ��T)ip�H.X��kh9��j%Be�bTK�Fp��TG�� 0000037600 00000 n Table 12-137. The circuit breaker shall be rated at one or more of the following maximum voltages: 635 V, 508 V, or 254 V. 0000001467 00000 n 2 Rockwell Automation Publication 1489-TD002B-EN-P- … 0000008962 00000 n ��؟�|` �hL endstream endobj 174 0 obj 831 endobj 125 0 obj << /Type /Page /Parent 117 0 R /Resources 126 0 R /Contents [ 149 0 R 156 0 R 158 0 R 160 0 R 162 0 R 164 0 R 167 0 R 169 0 R ] /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 126 0 obj << /ProcSet [ /PDF /Text /ImageC ] /Font << /F1 138 0 R /F2 129 0 R /F3 146 0 R /F4 142 0 R /F5 151 0 R /F6 165 0 R >> /XObject << /Im1 171 0 R /Im2 172 0 R >> /ExtGState << /GS1 170 0 R >> /ColorSpace << /Cs5 143 0 R >> >> endobj 127 0 obj << /Filter /FlateDecode /Length 315 >> stream Motor Protection Circuit Breaker and Motor Circuit Protector Specifications Multiple Motor Installation with MPCBs Each Motor has an Individual Branch Circuit Protective Device. 0000018154 00000 n 0000004005 00000 n PURPOSEFULLY DIFFERENTIATED. startxref 787-2861-800-000 $57.00 1 8A (Fixed Setting) PDF 787-2861-108-020 $68.00 1 1 – 8A (Adjustable) PDF Single Channel Electronic Circuit Breaker Selection Chart: Accessories Part Number Price Description Quantity Per Pack Color Nominal Current Dimensions 60432948 $8.75 10 Pole Jumper Bar 5 Blue 18A PDF 60432947 $8.75 5 Red PDF 0 Features-1-10-00 0000013612 00000 n 0000002874 00000 n Transient recovery voltage (TRV) application considerations and specific switching duties will … HYDRAULIC-MAGNETIC CIRCUIT BREAKER The TB-Series is a space saving, tandem pole circuit breaker specifically designed to fit a two pole breaker into a one rack unit, making it ideal for datacom and PDU applications. Always remember that, depending on the situation (no simultaneity), the fuse will not trip until 0.77. [��t.�y� 0000002403 00000 n x��A 0ð��q\Gcw�G 왞L�b�x��9��sx��9��s��9��sx��'� -�0� 0000034625 00000 n 0000001391 00000 n 3 | B-Series Circuit Breaker – General Specifications Electrical Tables Table A: Lists UL Recognized & CSA Certified configurations and performance capabilities as a Component Supplementary Protector. trailer << /Size 175 /Info 121 0 R /Root 124 0 R /Prev 198926 /ID[<6a59989d9237de974be98e6d4b69c659>] >> startxref 0 %%EOF 124 0 obj << /Type /Catalog /Pages 118 0 R /Metadata 122 0 R >> endobj 173 0 obj << /S 1148 /Filter /FlateDecode /Length 174 0 R >> stream Allow 2-3 weeks for delivery 30,000 A nominal current with natural cooling and up to 40,000 A nominal current with IPB forced air cooling. air circuit breaker are widely used in indoor medium voltage and low voltage switchgear. The Circuit Breaker up to 1600A shall be Molded Case Circuit Breaker (MCCB) and above 1600A shall be MCCB or Air Circuit Breaker (ACB). 0000015372 00000 n •The air-break circuit breakers are generally indoor type and installed on vertical panels or indoor draw-out type switchgear. PowerPact B-Frame Circuit Breaker Catalog Numbers. Two pole rocker switch/thermal-magnetic circuit breaker with trip-free mechanism (S-type TM CBE to EN 60934). 3072 23 0000032618 00000 n Auxiliary Switch Provides remote indication of the circuit breaker status (open/closed). �J�r!�e��ye��zz�=��ȺPԹ�^�:�v �L��f��˅h~�@��d�v��_�/��[kw��!��d��]N�4�~�z�g0�)�Z{�^* trailer Contact Business Unit for details. *��ۓ��t��{��KD[f7r�R�q�j�� endstream endobj 3073 0 obj<>/Metadata 359 0 R/AcroForm 3074 0 R/Pages 358 0 R/StructTreeRoot 361 0 R/Type/Catalog/Lang(ar-EG)>> endobj 3074 0 obj<>/Encoding<>>>>> endobj 3075 0 obj<>/MediaBox[0 0 720 540]/Resources<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 3076 0 obj<> endobj 3077 0 obj<> endobj 3078 0 obj<> endobj 3079 0 obj[226 0 401 0 0 715 0 221 303 303 498 498 250 306 252 386 507 507 507 507 507 507 507 507 507 507 268 268 0 498 0 0 0 579 544 533 615 488 459 631 623 252 0 520 420 855 646 662 517 0 543 459 487 642 567 890 519 0 468 307 0 307 498 0 0 479 525 423 525 498 305 471 525 230 239 455 230 799 525 527 525 525 349 391 335 525 452 715 433 453 395 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 339 0 0 0 0 550] endobj 3080 0 obj[3089 0 R] endobj 3081 0 obj<>stream xref ventional circuit breakers. 0000031987 00000 n All standard circuit breakers are calibrated for 40°C maximum ambient application. 123 0 obj << /Linearized 1 /O 125 /H [ 1467 941 ] /L 201516 /E 44063 /N 24 /T 198937 >> endobj xref 123 52 0000000016 00000 n 0000002965 00000 n 12-13 Heavy-Duty, High a�!g��T��8�� X�)00�2�00�>��yҹ��6o�r@�mNL��S� •A.C. Canadian Edition. 0000000016 00000 n 0000102598 00000 n 3072 0 obj <> endobj The circuit breakers shall This breaker type is called a duplex circuit breaker (or "half-size branch circuit breaker"). �͏��e�|��6�i��n��%/v��L2)K� 3��Z��?��n2\�6��RgՊ}��_��[�o�ߧ��N��=d�:k=/Zg��,��>�*��l��m� ��f��ʪ�o�*��\�lM��q*��%sd��i��B��g� 2%u��G�d��2A�u�b��@��2��x�1Ox)(6V��3��Eq � J��A$Q`�cFܘ`�h��x)D�_��޼��+�n]��O**Rs��zE��%b::��P>�u�!s]�FRM"��M��b�T��T�zD\��-;� 4��-|p�)w��21��z��ۖk\��;J�f�-�9u�[�s�N��uڇ�kV(�禞�!�z=�OD��ʤ�*7�S��Q�2�'C� �N��+��z�魻l2�a_�t&��4�8�Lv].�z��v�&�E �Ω,��pY,�=2s�Ţ>�ۺ��s }g�k��m�(vgqn�+T��m.U��{��0g��Kh�m��n�v�]@q�M (��鑹K��)݂찔bO��`9a��UaO� ��lw��Xt��qH�9��g��%_��2^�~��j��H�WtB�� QP0��^ށ�c66N�@pYCC�� 0��2GHI)�a�`%%�r�� P� �@V��a b 1P and 2P, 10–70 A and 3P 10–60Aonly. 0000029263 00000 n Certifiactions CE; cULus listed Circuit Breaker, File No. 0000024002 00000 n 0000029667 00000 n IEC 60898-1 Electrical accessories-Circuit-breakers for overcurrent protection for house hold and similar installation-Part 1. d˴aH>�� D�ݎG(�_�b�K��̆��iJ��z�[Q�"�=�-� 0000016384 00000 n n Built to order. 0000142580 00000 n The QO 35–200 A and all QO-PL and QOT tandem circuit breakers have box-type lugs suitable for single-wire terminations. Undervoltage Release (UVR) Trips the circuit breaker when voltage drops below a specified percentage of coil voltage (typically 70%). x��YYo7~��ݠ�ys�΁ �6.��A��Ң��#m��;��A�4+�@�b�6�s}��n>��/o>�}��W��;�{�'��B��+��lU�{�_�y�'��pF'�I=��~��w�E circuit breakers that will be used to replace equipment that was manufactured to previous editions of the standards. AMPERAGE NO. If line side lugs are required, add suffix “L” to catalog number. GB10963.1 Circuit breakers with overcurrent protection for household and similar places - Part 1: Circuit breakers for AC. •Total breaking time varies between 80-120 ms for circuit breaker up to 12KV and 40-80 ms for circuit breaker above 36KV. The circuit breakers to be supplied against this specification shall be required to control the primary side of 33/11 KV power transformers in the primary sub-stations (incoming 33KV feeders) or Bus coupler or the outgoing feeders in these sub-stations. %PDF-1.6 %�� x�]��j�0��~ Circuit Breakers. �g��t�H��y�L0�xۺC�S��+�ԧn-*3��v8��8ID�iP^� ��;[po.��Q�� J ��6��*@Y�H,u��t!G)j�9Hx�Ѳ�c �kw�:�̀�j�1B�9��g4��)p>��|Pd�iW��6�(��iӟ([�]�U�cwON��S� �Z��ѵ�t� �h�u��(X��,#!Nt��P��:�),�>��6��`v� 0000024379 00000 n Circuit Breakers Lug-In/Lug-Out with INSTA-WIRE Selection All BQ/BQH/HBQ circuit breakers are supplied with load side lugs. 0000030194 00000 n 120/240V, 240V THQB/THHQB Bolt-On Breakers. Time constant is 3 milliseconds minimum at 10 kA and 8 milliseconds minimum at 22 kA. 0000002408 00000 n 0000012214 00000 n Consult Siemens for any additional charge. Quick Reference Chart. 0000033983 00000 n 0000142321 00000 n 0000003650 00000 n Voltage Rating. d HACR on QOU 1P and 3P 15–100 A, 2P 15–125 A; 0000031425 00000 n endstream endobj 3093 0 obj<>/Size 3072/Type/XRef>>stream 0000016800 00000 n circuit breakers have pressure plate terminals suitable for single-wire terminations. only for circuit -breakers E1, E2, E3 standard and £4/f, E6/f full size versions). 0000006260 00000 n Key specifications are regulatory agency Underwrit-ers Laboratories’ (UL) Standards for Safety for low-voltage overcurrent protection devices. The differences in UL services related to circuit protection devices and the requirements and test parameters of UL 489 – the standard for Molded-Case Circuit Breakers, 0000009339 00000 n Circuits Breakers described in this specification shall be suitable for operation in SEC system parameters and service conditions as mentioned in 01-SDMS-01. HV Circuit Breaker - Type Generator Circuit Breaker FKGA8 Generator Circuit Breaker I sc = 210 kA U r = 33 kV SF 6 circuit breaker Designed for Power Plants from 700 to 1,500 MW It is equipped with a spring-operated mechanism per pole. circuit breaker using an electrical signal. 0000014748 00000 n 0000236780 00000 n Typical reference values of ratings of air-break circuit breaker are : • … 0000002626 00000 n They are generally used with generators of high power (100MVA to 1800 MVA) in order to protect them safely, rapidly and in an economical way. For example, on a 6A rating with a prospective short circuit of 5000A, the current will be limited at 350A or 7%. Notes: 1 Requires branch circuit backup with a UL LISTED Type K5 or RK5 fuse (15A minimum) at no more than 4 times the rating of the protector. 0000013065 00000 n 0000002168 00000 n <<1D45E203F149594195181F68FBC684ED>]>> For the release PR113, it is also possible to select neutral protection at 150% and 200% of the rated current of the phases, if compatible with the setting of the current transformers. Key specifications are regulatory agency Underwrit-ers Laboratories’ (UL) Standards for Safety for low-voltage overcurrent protection devices. Since the existing optional requirements and legacy products continue to 0000031447 00000 n It is less than 60 ms for 145KV, less than 50 ms for 420 KV circuit breaker. Installation of current limiting circuit breakers offers several advantages: # Better network protection Current limiting circuit breakers considerably reduce the undesirable effects of short-circuit Circuit Breaker A e m a r AF k a e r b l a m r o 3N E Adjustable Thermal / Fixed Magnetic MPCB A 0.10 (example: A16 = 0.16 A) B 1.0 (example: B16=1.6 A) C 10 (example: C16 = 16 A) Fuse or Circuit Breaker Group Installation Single motor taps must be 1/3 the ampacity of the branch circuit conductors Branch Circuit Conductors Branch Circuit Protective Device 0000003977 00000 n Molded Case Circuit Breakers Part Numbering System Molded Case Circuit Breakers Technical Specifications Circuit Breaker Type Ampere Rating at 40°C No. 0000006437 00000 n 0000003500 00000 n 0000003137 00000 n ;�k�ehe�,[zKf�K@�$k�-�AM ��f��B)�[��o��lI��e tQ� I��ƍ%�kR�}�sfvf�r�v�|�;��w=g9 ``:�0��8`��0d1�9��CC� X��c9�L�M�2x?,+��W�2�>Pn��\|��N��0��5�� 5SL Miniature Circuit Breaker for Standard Applications in the Residential and Non-Residential Sector For all applications up to 63 A with tripping characteristics B, C, and D with a 6/10 kA switching capacity in accordance with IEC/EN 60898-1 (VDE 0641-11) 5SY Miniature Circuit Breaker �4g��8�q@w��A��dW�:p��R2��k i ��1�1�)�0�p��lQcL֙�� z��D�cg��]%"0pՈt PowerPact B-Frame 1P Unit-Mount Single Phase Circuit Breakers; PowerPact B-Frame 1P I-Line Single Phase Circuit Breakers; PowerPact B-Frame 2P Unit-Mount Circuit Breakers; PowerPact B-Frame 2P I-Line Circuit Breakers; PowerPact B-Frame 3P Unit-Mount Circuit Breakers 1489-M Circuit Breaker Specifications Catalog Numbers 1489-M... Additional Resources ... Control Circuit and Load Protection Selection Guide 1492-SG122...-EN-P Provides product selection, specifications, accessories, and dimensions. r7��z��f 0000142355 00000 n � 0000017363 00000 n Generator Circuit Breaker Generator circuit breakers are located between a generator and the step-up transformer. 0000237023 00000 n If this current is not sufficient, a circuit breaker with a higher nominal current can be used. The types of circuit breaker that has been reviewed in this paper are oil circuit breaker (OCB), air circuit breaker (ACB), sulphur hexafluoride (SF6) circuit breaker, vacuum circuit breaker… 0000002547 00000 n Note: All circuit breakers on this chart are UL Listed and CSA Certified unless otherwise noted. 0000000776 00000 n A review of the most common types of circuit breaker interrupter technologies will be conducted. LOW VOLTAGE CIRCUIT BREAKERS FOR USE IN HOUSE-HOLD AND SIMILAR INSTALLATIONS However, some breaker designs allow two poles to fit in the standard one-inch space. 0000032009 00000 n %%EOF Typically two wires extend through the case. Circuit Breaker Product Overview6-7 Organizational Capabilities Arc Fault Circuit Interrupt (AFCI) Technology Notes Single Phase, Thermal Circuit Breakers Series 160 - 50 to 100A12-13 Series 170 - 125 to 200A Series 700 - 5 to 50A Series 1500 - ½ to 10A Series 4001 - 1 to 25A20-21 Series 4200 - 1 to 25A22-23 Series 4310 - 1 to 25A Three Phase, Thermal Circuit Breakers Series 940 - 50 to 100A … 0000032596 00000 n 0000014366 00000 n 0000023309 00000 n 0000023287 00000 n hT� Email: sales@carlingtech.com Application Support: team2@carlingtech.com Phone: (860) 793–9281 Fax: (860) 793–9231 www.carlingtech.com 3 | N-Series Circuit Breaker – General Specifications Electrical Current Metering Integrated current transformer. The inclusion of 125A rated circuit breakers recognises the increasing cur:ent demand in final circuits and the requirement for suitable protection devices, compatible in physical size with circuit breakers, and capable of being installed in the same standard distribution boards. %PDF-1.2 %�� All UL ®, NEMA® and ANSI standards are for molded-case circuit breakers and low voltage power circuit breakers. Typically two wires extend through the case. Miniature circuit breaker poles are generally one inch in width. internationalsales@cbi … circuit breakers as those with a physical means to prevent the installation of more than 42 circuit breakers into a Class CTL panelboard (or if fewer than 42, that number for which the panelboard was designed and rated). These circuit breakers are suitable for use with 75°C conductors. 0000033961 00000 n OF POLES VOLTAGE CATALOGUE NUMBER 10 kA 22 kA 15 1 120/240 THQB1115 THHQB1115 20 1 120/240 THQB1120 THHQB1120 25 1 120/240 THQB1125 THHQB1125 30 1 120/240 THQB1130 THHQB1130 35 1 120/240 THQB1135 THHQB1135 40 1 120/240 … ��|�>��w9�Uf�t��,T��0#�*��9W�.1u�,4�@=�(��q¥ʳ��5+��B�r!�� Only designated Homeline load centers will accept quad breakers. Tel + 27 11 928 2000 • Fax + 27 11 392 2354. Discrimination is obtained by "graded time lag:. �Cq��v��2�a�X�pl%3,�Q�C�~�:��?�[��];� ��c�ѓc\��a�ɓ:W�M{Wn;��$�;�j��".�78T�m��(�^L��A��9�}�N��9>��P��K4�Є��Zh��Z��;5��pv?>��꺸��CٕY�� 9�'��)��|~ �o' 0000033316 00000 n 0000030866 00000 n These circuit breakers are intended to be installed in accordance with the National Electrical Code® (NEC ®) and their listing. The addition of a magnetic tripping module to the type 3120 range described in catalogue section Thermal Overcurrent Circuit Breakers extends the choices available (thermal-magnetic protection in pole 1, thermal or no protection in pole 2). 0000034704 00000 n �Z�� uO� E334037 and E33916 (accessories) Terminal Specifications 140U-D Attribute 140U-D… Use 75°C Cu wire only Terminal Parts Type of terminals Screwdriver Pozidriv No. Poles Volts Type of Trip* Federal Speci-fication W-C-375b UL 489 Interrupting Ratings (rms Symmetrical Amperes) (kA) AC DC Volts AC (50/60 Hz) Volts DC 240 480 600 250** ��ߤ*�] ��Ǧ7��SOu&P��V�sqI)�Z�n��ΕջCn 3 1. conductor 2. conductor [mm2]/[AWG] [mm2]/[AWG] 1…6/⎯ 1…4/⎯ 1. conductor 2. conductor [mm2]/[AWG] [mm2]/[AWG] FOR CONFIGURATIONS NOT NOTED, CONTACT BUSINESS UNIT SINGLE PHASE 160 Series pgs. Hence, slower circuit breaker, 3 to 5 cycles, are used. �E�1��%�xU^=�=�hO�m��2��Fh�0yR:�Hvu��Hv�!��N�{�P��L�,�=�3O��Tp��1ȿ��ڛ��߹�� U|�u�MC��o�f��@��gh��HV��8?N-��c#��,? �*��T-�� ;gs;��\�X>9�%��sA4��|y'-�Q�\\�+m�B�\��`4�s��Q#�M�(��̯�*��"��Bb%w � a C60H-DC is aU L 1077 (not CSA certified) supplementary protector. GB14048.2 Low-voltage switchgear and controlgear Part 2: Circuit breaker. power circuit breakers. 0000142081 00000 n ��Rհ�̓��UG��4�2��[7�X�Xx[��K�=rRLu��&��o��1~�Q��r�K�R��RN��C��U*]�W�D��c��2�щw5YWT��w��%2��ιc��S�i�릴|�ܧ��Dy�>a��`J�$��,��l�Ս��}��x?O�z��T;Bˤ�*��ݍ �pz7��0��>D!��M��źFC��p��v�*��YX��_�n�"K�GA�V�M�&��$�@㷭D�K��)4c��$a��%q��$X��L�2�2u`��ƀ�Z�D(=��4�F��u��p~:_d�b�ME3��B�N׮_Ć�� i�T#�^��e�{�޸�:"��I�t�f��("��Q��z�jtQ�̨;O7˘Qhz�>j�C%��Q��KOW�=��pZu��d� c QOU is CSA/UL Listed for 60 Vdc per pole 80–100 A, 1P; 80–125 A, 2P; and 70–100 A, 3P. The products covered by this Guide are: Circuit Breaker Adapters Circuit Breaker … GB14048.2 Low-voltage switchgear and controlgear Part 2: Circuit breaker. 0000142425 00000 n 2-pole circuit breaker, or two poles of 3-pole circuit breaker. ��:� l��0�o�Ӏ{oO�d��烷��a@؟6$��O� � �d Measurement range: 1-30 Amps. H�b```f``�� @16�-�@",�m �f1��Ľ��Y�"�SL�ӘҘ�e��Gs��,�Uw^E��JW6�a�*Qĩ��ϥ��ҥ��k�(�I8��j��isw�]��$�эg��E3o��H��ҋk�")�7��ez�F��!�mC.�hܺ��x�&��bR�Ǚ��.��ӣrOY>^[�ݑI��_"�ʢ�O��^�]Է�q��DlNjl��T��x-*�$f��%J�! Tripswitch Drive, Elandsfontein, Gauteng, cbi@cbi-electric.com. – circuit breakers for power distribution (fitted with thermomagnetic or electronic trip units starting from 100 A) – circuit breakers with adjustable magnetic only trip units for motor protection (MCP: Motor Control Protection) – molded case switches for use as isolators or switching devices for lines, busbars or parts of a plant (MCS: 0000004302 00000 n �+�p%�'L��4�ʙ$|��f�y��+%��ίY5��sY!ѦX��39=)��Tvl2� 0 These circuit breakers are suitable for use with 60°C or 75°C conductors. 0000014026 00000 n 0000033294 00000 n endstream endobj 3082 0 obj<>stream Check with your electrical inspector for applicable codes. They must be able to carry high continuous currents (6300 A to 40000 A), and they must have a These markings are required by UL 489, and are part of the listing. 0000030844 00000 n 0000003264 00000 n H�TQMo�0��W��!m��al��ҚFi9��gǌm�Z�ر��^o7[ߎ�_c�v8B��:�П�C8��P�n��uU Mͻ�0b��M�*�F�a�g�ܥg�XL��/��#L��%v��C?Be 56J��\u�O�oiE:�}�C��l��`��kj%��}VQ��,��|�0��k�Y��5y�K�p�� SP�a2?�"�H�f��. The differences in UL services related to circuit protection devices and the requirements and test parameters of UL 489 – the standard for Molded-Case Circuit Breakers, Circuit Breaker Application Guide Local codes may vary. 0000013345 00000 n A circuit breaker is a protective device to protect the application during an overcurrent condition. 0000004211 00000 n x��V�OU��0E. Quad Circuit Breaker (Homeline only) This circuit breaker provides three isolated circuits (two single-pole and one double-pole) utilizing two spaces in the load center. 0000012956 00000 n 5.1 General Description: 0000016203 00000 n The circuit breaker with a nominal current of 50 A will then behave as if its nominal current was 0.77 x 50 A = 38.5 A. �Նz�'�ڵHX��P��}DEb�p��o��h"6V��z;�&(U�a-U$t�v�IHg5��\Jؿ�x�l��8.�͒J�@�/͉��_�,�. The TB-Series is designed with a common trip linkage ensuring if one pole trips, the tandem pole simultaneously trips. 2 / Blade No. 3094 0 obj<>stream The industry recognizes three types of circuit breakers— molded-case circuit breakers (MCCB), insulated-case circuit breakers (ICCB) and low voltage power circuit breakers LVPCB). Designed to requirements of applicable specification. ��5孆\�Tn_��*Ej��:� 0000030172 00000 n