Circuit Breakers: A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Circuit Breakers can be reset either automatically & manual.
Breakers can come in a wide variety of sizes shapes current amperage & voltage.
Amperage: 10 Amp 15 Amp 20 Amp 25 Amp 30 Amp 35 Amp 40 Amp 45 Amp 50 Amp 55 Amp 60 Amp 70 Amp 80 Amp 90 Amp 100 Amp 110 Amp 120 Amp 125 Amp 150 Amp 175 Amp 180 Amp 200 Amp 225 Amp 250 Amp 275 Amp 300 Amp 350 Amp 400 Amp 450 Amp 500 Amp 600 Amp 700 Amp 800 Amp 900 Amp 1000 Amp 1200
Amp 1600 Amp 2500 Amp 2000 Amp
Current: AC/DC
Poles: 1 2 3 & 4
Voltage: 120 208 240 250 277 380 415 440 460 480 500 600 690
Magnetic: Use a solenoid whose pulling force increases with the current.
Thermal: Use a bimetallic strip which heats up and bends with increased current.
Thermomagnetic: Use properties from both magnetic and thermal.
Lug: Use to tighten down the wire to the circuit breaker.
Shunt Trip:
Westinghouse
Cutler Hammer
Square D
GE – General Electric
Siemens
Allen Bradley
ABB
Moeller
Mitsubishi
Hitachi
Westinghouse
BAB BD BJ BJH BQ BR BRH BRHH CA CCH CHH CHND CRDC DA DK EB EDC EHB FB FH FL GB GD GFCB GFCBH GFEP HBAW HBAX HCA HFB HJD HKA HKB HKD HLA HLB HLD HMCG HND HQP JA JB JD JDB JDC JH JL KA KB KDB KDC KH LA LAY LB LBB LD LDB LDC LH LL MA MCG MCP MH MS NB NBY ND NDC NH NS PB PC PCCG PCG QBGF QBHGFEP QBHW QC QCGF QCGFEP QCHW QHCX QPGF QPGFEP QPHW QPHX RDC WFP WFPH
Cutler Hammer
BAB BD BJ BJH BPED BPEDH BPEHD BPFD BPFDB BPFDC BPHFD BPHJD BPHKD BPJD BPJDB BPJDC BPKD BPKDB BPKDC BQ BQC BR BRH BRHH BW BWH CA CAH CC CCH CH CHB CHH CHKD3 CHLD CHLD3 CHMDL CHND CHP CHQ CHT CKD CKD3 CL CLD CLD3 CLDC CLDC3 CMDL CN35 CND CNDC CRD CRDC CSR DA DK E125H E2F E2FM E2J E2JM E2K E2KM E2L E2LM E2N E2NM E2R E2RM EB ED EDC EDH EGB EGE EGH EGS EHB EHD ELFD ELHFD ELHJD ELHKD ELHKW ELHMCP ELHMCPS ELJD ELJDC ELKD ELKDC ELKW ELKWC FB FCL FD FDB FDC FH FL FS FW FWMP FWMP-J G GB GC GD GFCB GFCBH GFEP GFXB GFXBB GFXBC GHB GHC GHQ GMCP GQ GWF HBAW HBAX HCA HFB HFD HFDDC HGHB HGHC HJD HJDB HJDDC HKA HKB HKD HKD3 HKDDC HKW HLA HLB HLC HLCA HLCC HLCCA HLCCG HLCCGA HLCG HLCGA HLD HLD3 HLDDC HLW HM HM2P HMA HMC HMCA HMCC HMCCA HMCCG HMCCGA HMCG HMCGA HMCP HMCPE HMCPS HMDL HMDLDC HNB HNC HNCA HNCG HNCGA HND HNW HQP IBPED IBPEDH IBPEHD IBPFD IBPFDB IBPFDC IBPHFD IBPHJD IBPHKD IBPHLD IBPJD IBPJDB IBPJDC IBPKD IBPKDB IBPKDC IBPLD IBPLDC J250 JA JB JD JDB JDC JG JGE JGH JGS JH JL JS KA KB KD KD3 KDB KDC KDC3 KG KH KS KW KWC LA LAB LAY LB LBB LC LCLA LD LD3 LDB LDC LDC3 LG LH LL LS LSB LW LWC MA MCB MCG MCP MDL MDLB MH MS NB NBDC NBY ND NDC NG NH NS NW NWC P PB PBDC PBF PC PC2000 PC2500 PC3000 PCA PCC PCC2000 PCC2500 PCC3000 PCCA PCCF PCCFA PCCFG PCCFGA PCCG PCCGA PCF PCFA PCFG PCFGA PCG PCGA QBGF QBGFEP QBHGF QBHGFEP QBHW QC QCD QCF QCFH QCGF QCGFEP QCHGF QCHGFEP QCHW QCR QCRH QHCW QHCX QHPW QHPX QPGF QPGFEP QPHGF QPHGFEP QPHW QPHX RD RD3 RDC RE REA REH RF RFA RHF RHFA RHK RHKL RHLM RJ RMCF RMCFA RMCHF RW RWC SPHM WFP WFPH WMS
Square D
991 997 999 A1 A1B A1L CK CM ECB-G3 EDB EGB EH EHB EHB-AS EJB FA FAF FAL FAP FC FCL FCP FD FDA FG FGA FH FHL FHP FI FIL FIP FJ FJA FY GJL HD HG HJ HL HOM HOM-EPD HOM-GFI HOM-GIF HOMT HQO IF IFL IK IKL IL ILL JD JG JJ JL KA KAF KAL KAP KC KCF KCL KCP KDL KGL KH KHL KHP KI KIL KIP LA LAF LAL LAP LC LCL LCP LE LH LHL LHP LI LIL LIP LX LXP MA MAF MAL MAP ME MEL MEP MG MH MHF MHL MHP MJ MX MXL MXP NA NAL NAP NC NCF NCL NCP NE NF NFHL NHF NHL NJ NJHFE NJHLE NJLFE NJNFE NS630 NX OQB-VH PAF PBLA PBLC PBLH PBLI PBMA PCF PE PFA PFC PFH PFI PG PHF PJ PL PTMA PTMH PX Q1 Q1B Q1L Q2 Q2-H Q2H Q2L Q2L-H Q2LH Q2M Q2M-VH Q4 Q4L QB QBL QD QDL QG QH QHB QJ QO QO-AS QO-EDP QO-EPD QO-GFI QO-K QO-M QO-VH QOB QOB-AS QOB-EPD QOB-GFI QOB-SWN QOB-VH QOB-VHGFI QOBXD QOE QOH QOHX QOK QOM1-VH QOM2 QOM2-MM QOM2-MVH QOM2-VH QOT QOU QOUQ QOUR QOXD QYU RG RJ RL SD SE SFAL SFHL SKHL XO
GE
HPC SEDA SEHA SELA SEPA SFHA SFLA SFPA SGDA SGHA SGHB SGHH SGLA SGLB SGLL SGPA SGPB SGPP SKHA SKHB SKHH SKLA SKLB SKLL SKPA SKPB SKPP TB1 TB4 TB6 TB8 TBC TE TEB TEC TECL TED TEF TEL TEY TF TFC TFJ TFK TFL THED THFK THHQB THHQC THJK THKM THKMA THLC THLC1 THLC2 THLC4 THQB THQC THQD THQDL THQL THQP TJ TJ4V TJC TJD TJH TJJ TJK TJL TJL4V TK TK4V TKC TKH TKL TKL4V TKM TKMA TLB TQ TQB TQC TQD TQDL TQL TRLA TRLL TRP TRPA TRPP TXQB TXQC
Siemens
3VF2 5SX2 5SX5 B BE BF BG BL BLHF BQ BQD BQD6 BQH BQXD CC CE CED CED6 CFD CFD6 CJ CJD6 CLD CLD6 CMD CMD6 CN CND6 CP CPD CPD6 CQD CQD6 E ED ED2 ED4 ED6 ED6-A EE EF EFC EFF EH EM EMKB F FBCB FD FD6 FD6-A FFC FFF FJ FM FMKF FXD6 FXD6-A HB HBQ HE HED4 HF HFD HFD6 HFXD6 HHED HHED6 HHF HHFD HHFXD6 HHJD HHJD6 HHJXD6 HHJXD6-A HHLD HHLD6 HHLXD6 HJ HJD HJD6 HJD6-A HJXD6 HJXD6-A HK HL HLD HLD6 HLMD HLMD6 HLMXD6 HLXD6 HMD HMD6 HMXD HMXD6 HN HND HND6 HNXD HNXD6 HP HPD HPD6 HPXD HPXD6 HQ HQJ2H HQN HR HRD HRD6 HRXD HRXD6 HS JD JD6 JD6-A JFC JFF JJ JL JM JM6 JMK JMKF JXD JXD2 JXD2-A JXD6 JXD6-A KM KP LD LD6 LD6-A LFC LFF LL LM LM6 LMD LMD6 LMFC LMFF LMKF LMXD6 LXD6 LXD6-A MD MD6 MFC MFF MMKB MXD MXD6 ND ND6 NFC NFF NM NMKF NXD NXD6 P PD PD6 PM PMKF PXD6 Q QE QF QJ QJ2 QJ2H QJH2 QN QPF QPFH QPJ QPM QPMH QT RD RD6 RXD RXD6 SCJD6 SCLD6 SCMD6 SCND SHJD6 SHK SHLD6 SHMD6 SHND SHND6 SHP SHPD SJD6 SKM SKP SLD6 SMD6 SND SND6 SPD TD
Allen Bradley
1492
ABB
S200 S200UP S500 S1 S2 S3 S4 S5 S6 S7 S8 T1 T2 T3 T4 T5 T6 T7
Mitsubishi
NF30-SS NF50-CS NF-SF NF100-CS NF100-HA NF250-CW NF225-CB CP30-BA CP-B BH-P MB50-CB NV50-CSA
Hitachi
EX225 F30F S-50SB S-225SB
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