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Learn moreShop industrial circuit breakers for motor protection, panel building, and power distribution. PLC Machinery carries over 400 new and used circuit breakers from brands like Allen-Bradley, Siemens, and Square D, available for same-day shipping.
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1492-SP2B050 Series C - Allen-Bradley - Miniature Circuit Breaker 2-Pole
$65.00SKU: C-16-C-64Add to Cart -
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3RV2021-4AA10 - Siemens - Sirius Motor Starter Protector Circuit Breaker
$45.00SKU: C-16-C-63Add to Cart -
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ABB 1SAM201906R1103 24WR MAN.MTR.CNTRLR. 65A 690V Busbar PS1-3-0-65
$25.00SKU: C-15-F-25Add to Cart -
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ABB MS132-2.5 Motor Protection Circuit Breaker 1.6-2.5A Trip Class 10 AC-3 Motor
$39.36SKU: C-15-G-10Add to Cart -
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ABB S 202-Z6 400/480V 16A Circuit Breaker 2CDS 252 001R0378 (Box of 4)
$229.99SKU: A-2-2-145Add to Cart -
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ABB S201U-K8 1P 8A K-Curve 10kA Miniature Circuit Breaker 240V S200U
$49.99SKU: C-3-1-373Add to Cart -
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ABB S202U-K10 2P 10A K-Curve 10kA Miniature Circuit Breaker S200U DIN Rail
$75.00SKU: C-3-1-371Add to Cart -
ABB S202U-K20 2P 20A K-Curve Miniature Circuit Breaker DIN Rail S200U
$55.00SKU: C-3-1-368Add to Cart -
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ABB S202U-K8 2-Pole Miniature Circuit Breaker 8A S200U Series DIN Rail
$200.00SKU: C-5-A-18Add to Cart -
ABB S202U-K8 2P 10kA K-Curve Miniature Circuit Breaker DIN Rail S200U
$70.00SKU: C-3-1-367Add to Cart -
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ABB S281UC-Z0,5 0.5A 250VDC S230UC 1P Circuit Breaker S281UC-Z0.5
$104.99SKU: C-21-D-70Add to Cart -
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ABB T3N175TW 1SDA053564R1 SACE Tmax T3 N 225 Circuit Breaker 3 Pole
$475.00SKU: B-2-3-15Add to Cart -
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Advance Philips 1-70W S62 HX-HPF HP Sodium Core & Coil Ballast 71A7971-001D
$25.00SKU: A-2-2-106Add to Cart -
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Allen Bradley 140M-C2E-B40 Series B Motor Protector Circuit Breaker Rockwell
$119.99SKU: B-4-8-112Add to Cart -
Allen Bradley 140M-C2E-B40 Series C Motor Protector Circuit Breaker Rockwell
$119.99SKU: B-4-8-111Add to Cart -
Allen Bradley 140M-C2E-B40 Series D Motor Protector Circuit Breaker
$119.99SKU: C-16-D-54Add to Cart -
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Allen Bradley 140MT-C3E-B10 Motor Protector Circuit Breaker 0.63-1A Series A
$124.99SKU: D-3-4-105Add to Cart -
Allen Bradley 1489-A1C015 Miniature Circuit Breaker 1 Pole 15A Ser A
$39.99SKU: C-3-2-386Add to Cart -
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Allen Bradley 1492-AIFM8S-3 AB 8 Channel Isolated Analog Interface Rockwell
$144.99SKU: C-3-11-89Add to Cart -
Allen Bradley 1492-CB2 G100 Cutler Hammer Allen-Bradley 10A 3HP 1Ph Rockwell
$144.99SKU: B-2-1-109Add to Cart -
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Allen Bradley 1492-SP1C060 Supplementary Circuit Breaker Ser C Lots of 2
$49.99SKU: B-3-1-331Add to Cart -
Allen Bradley 500-BOD92 Series B - Allen-Bradley Rockwell Automation
$194.99SKU: C-1-7-148Add to Cart -
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Allen Bradley 505X-TOD Series D - Allen-Bradley Rockwell Automation
$289.99SKU: C-1-7-146Add to Cart -
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Allen Bradley AB Motor Protector Circuit Breaker 140M-C2E-B25 /C
$104.99SKU: C-3-12-245Add to Cart -
Allen-Bradley 140M-C2E-B16 /C Motor Protection Circuit Breaker 1-1.6A
$90.00SKU: C-3-12-19Add to Cart -
Allen-Bradley 140M-C2E-B25 Series B 140M-C-TE 140M-C-AFA10 Circuit Breaker
$54.99SKU: B-2-7-186Add to Cart -
Allen-Bradley 1489-A1C200 Miniature Circuit Breaker 1-Pole 20A DIN Rail Ser. A
$25.00SKU: D-3-4-114Add to Cart -
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American Und. Lab Inc. NE-2853 Circuit Breaker 1 Pole Unit HACR Type 15
$29.99SKU: B-3-6-40Add to Cart -
Artisan Controls 9227 7 Day Programmable Event/Controller Circuit Breaker 4950
$144.99SKU: A-4-2-292Add to Cart -
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Carling Switch 25-31.25A 2 Pole Circuit Breaker DA2-B0-46-625-121-C
$64.99SKU: C-2-8-388Add to Cart -
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Connecticut Electric UBI 30A Type F Single Pole Circuit Breaker UBIF-30N
$44.99SKU: C-2-8-186Add to Cart -
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Cutler Hammer 18A Nema Size 0 Motor Starter B10BG0 /A1 w/ C320KB1 /A2
$129.99SKU: D-2-4-161Add to Cart -
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Cutler Hammer 20A HACR Type SWD Type BA 1 Pole Circuit Breaker M-1640
$25.00SKU: C-16-E-39Add to Cart -
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Cutler Hammer CHQ115 /K Circuit Breaker 1 Pole 15A 15Amp (Box of 4)
$139.99SKU: C-4-2-318Add to Cart -
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Cutler Hammer PH6 50A Twin Mount Replacement Mounting Hardware Kit PH6EK
$434.99SKU: A-2-2-75Add to Cart -
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Cutler Hammer SPHM1RM0050 Supplementary Protector Hydraulic Magnetic
$61.49SKU: B-3-8-96Add to Cart -
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Cutler-Hammer C5 SPCL1C05 1P 5A Supplementary Protector 277V DIN C Curve
$125.00SKU: C-3-1-357Add to Cart -
Cutler-Hammer SPCL1C05 C5 1P 5A Supplementary Protector 277V 10kA
$125.00SKU: C-3-1-380Add to Cart -
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E-T-A 3120-F323-P7T1-W12DB4 Thermal Circuit Breaker with Rocker Switch 10A 250V
$45.00SKU: C-16-B-144Add to Cart -
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Eaton Aegis AGSHWCH120N03XS Transient Voltage Surge Suppressor EMI Filter
$121.00SKU: A-4-3-164Add to Cart -
Eaton Cutler Hammer 100A 3 Poles 100210DT Circuit Breaker EHD3100 6638C90G96
$454.99SKU: A-2-1-242Add to Cart -
Eaton Cutler Hammer 100A 690VAC 3 Pole Circuit Breaker FWF3100KL /C
$1,494.99SKU: D-2-6-109Add to Cart -
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Eaton Cutler-Hammer 11ฮฉ Wirewound Resistor Industrial Power Component
$55.00SKU: C-1-9-218Add to Cart -
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Eaton XBATCP3 0.25A 250VAC 5VDC Thermal Circuit Breaker Overcurrent Protection
$33.62SKU: C-15-H-81Add to Cart -
EHD3070 - Eaton Cutler Hammer - Series C 70A 3 Pole Industrial Circuit Breaker
$534.99SKU: B-2-5-184Add to Cart -
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FA24060BC Series 2 - Square D - 2-Pole 60A Molded Case Circuit Breaker
$299.99SKU: C-4-7-408Add to Cart -
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FD63F250 - Siemens - Molded Case Circuit Breaker I-T-E Sentron Series A
$225.00SKU: A-4-3-29Add to Cart -
FI 4750 RS 5750 ESC - SpiralTrac - Environmental Controller EnviroSeal
$419.99SKU: A-4-3-116Add to Cart -
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FS340015 - Eaton Cutler Hammer - Type FS 480VAC 3 Pole 15A Circuit Breaker A
$32.99SKU: D-3-2-157Add to Cart -
Furnas Electric 20A Open 1P FL 20 Res 30 Definite Purpose Controller 45CG10AFD8A
$89.99SKU: B-2-5-211Add to Cart -
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Furnas Open 1 Pole 40A FL Res 55 Definite Purpose Contactor 45GG10AJA
$27.99SKU: A-2-2-130Add to Cart -
Furnas Open 2 Pole 20A FL Res 30 Series B Definite Purpose Contactor 45CG20AF
$31.99SKU: A-2-2-133Add to Cart -
GD3100K - Eaton Cutler Hammer - GD Molded Case Switch 3 Pole Circuit Breaker
$849.99SKU: C-3-1-50Add to Cart -
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GE General Electric Spectra RMS AB-5579 Circuit Breaker Trip Unit SRPE30A20
$119.99SKU: D-3-6-51Add to Cart -
GE Power/Vac 4.76kV 2000A PowerVac 2000Amp Vacuum Interrupter Bottle 52A1
$2,234.99SKU: C-4-8-35Add to Cart -
GE TED134035 Circuit Breaker 35A 3-Pole Thermal Magnetic 480VAC MCCB
$49.99SKU: D-3-1-235Add to Cart -
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General Electric E11592S NE 2736 NP1578080-E 20A 1 Pole Circuit Breaker
$29.99SKU: C-3-3-67Add to Cart -
General Electric E11592S NE 2805 NP1573020-D 40A 2 Pole Circuit Breaker
$39.99SKU: C-3-3-66Add to Cart -
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General Electric GE 1 Pole A-5532 E11592 SWD HACR 20A Circuit Breaker TEY120
$25.00SKU: C-2-11-129Add to Cart -
General Electric GE 20A 120VAC Ground Fault Circuit Breaker CB3 THQC1120GF
$174.99SKU: B-2-4-96Add to Cart -
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General Electric GE Single Phase Maximum Motor HP With Switch CR101Y1
$25.00SKU: A-3-1-246Add to Cart -
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General Electric NE 6405 NP1578013P143 E11592G 15A 1 Pole Circuit Breaker
$29.99SKU: C-3-3-68Add to Cart -
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General Electric TED134030 3-Pole 30A Thermal Magnetic Circuit Breaker E150 480V
$29.99SKU: D-3-1-243Add to Cart -
General Electric TED134035 35A 3-Pole Molded Case Circuit Breaker 480VAC
$49.99SKU: D-3-1-270Add to Cart -
General Electric TED134040 3-Pole 40A Thermal Magnetic Circuit Breaker E150 480V
$30.00SKU: D-3-1-242Add to Cart -
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General Electric TEY120 1-Pole Bolt-On Circuit Breaker 20A Lots of 8
$39.99SKU: B-1-2-428Add to Cart -
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General Electric THED136015 Hi-Break Circuit Breaker 15A 600VAC 250VDC 3 Pole
$49.99SKU: C-2-1-G-2Add to Cart -
General Electric THED136015 HI-BREAK Circuit Breaker 3-Pole 15A 600VAC
$50.00SKU: D-3-1-241Add to Cart -
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General Electric THQL32030 Plug-In Circuit Breaker 3-Pole (Box of 2)
$131.19SKU: B-3-8-106Add to Cart -
General Electric TN231H4075 Air Circuit Breaker 75A 3 Pole 125VAC ALB-10
$159.99SKU: C-2-1-H-5Add to Cart -
General Electric Ultra Max High Efficiency Electronic Ballast GE-332-MAX-H/Ultra
$124.99SKU: C-3-6-247Add to Cart -
General Electric Und. Lab Inc. NE-2736 Circuit Breaker 1 Pole E11592S
$29.99SKU: B-3-6-38Add to Cart -
General Electric Und. Lab Inc. NE-6405 Circuit Breaker 1 Pole E11592G
$29.99SKU: B-3-6-47Add to Cart -
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Heinemann 5FLA 480V 50/60Hz 1TD 30ALRA CF2-G3-AB CF2-G3-AB0005-01B
$74.99SKU: C-3-6-279Add to Cart -
Heinemann A-61 AD1S-B2-AO-DN-H-A-61 1 Pole 10A Circuit Breaker AD1S-Y59-10
$44.99SKU: C-15-D-49Add to Cart -
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Honeywell Resideo 9" Universal Circuit Breaker Transformer AT150F1030
$39.99SKU: D-2-5-142Add to Cart -
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Keystone 100W S54 HX High Pressure Sodium Ballast Kit HPS-100X-Q-KIT
$64.99SKU: D-3-5-199Add to Cart -
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Merlin Gerin Multi 9 C60 24430 C6A 1P 6A MCB 240-277V Circuit Breaker
$55.00SKU: C-3-1-372Add to Cart -
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Miller The Power Of Blue 1P 10A 1 Manual Reset Circuit Breaker 083432
$33.99SKU: C-21-A-11Add to Cart -
Moeller 1403E/32015P 50/60Hz 4.5kA 4kA-277/480VAC Circuit Breaker FAZ-S2
$34.99SKU: C-21-D-27Add to Cart -
Moeller 5kA-277/480VAC 230/400VAC 240/415VAC Circuit Breaker FAZ-C32
$28.99SKU: C-21-D-26Add to Cart -
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NCC 105-135VAC 50-60Hz Program Control Circuit Breaker DNC-T2020-B10
$1,274.99SKU: A-2-2-55Add to Cart -
NZMH2-AF20-NA - Eaton Cutler Hammer - H2-AF20-NA NZM 2 Circuit Breaker 20A A ...
$449.99SKU: B-3-6-119Add to Cart -
Philips Advance 7C240P40R 24ยตF 400VAC HID Ballast Capacitor Metal Halide
$35.00SKU: B-1-2-360Add to Cart -
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Robertson 120V 60Hz .35A Class P Type 1 Simple Reactance Balance SS2PWS
$25.00SKU: B-3-4-331Add to Cart -
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Schneider Electric 60141 Miniature Circuit Breaker C6A C60 Multi 9
$304.99SKU: B-3-6-104Add to Cart -
Schneider Electric 60179 Multi 9 C60 3P C 15A Miniature Circuit Breaker
$44.99SKU: B-1-2-44Add to Cart -
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Schneider Electric C 6A 240V Multi 9 C60 60141 Miniature Circuit Breaker
$32.79SKU: A-3-3-35Add to Cart -
Schneider Electric C1.5A C60 Multi 9 Circuit Breaker IEC 60947-2 GB14048.2
$29.99SKU: B-2-2-100Add to Cart -
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Schneider Electric Multi 9 C60 2P 6A Type C MCB 240V DIN Rail Breaker
$45.00SKU: C-3-1-370Add to Cart -
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Siemens 3 Pole Open FL 25 RES 35 Definite Purpose Contactor 42AF35AF
$274.99SKU: B-2-5-217Add to Cart -
Siemens 3RV1021-1CA10 Motor Protection Circuit Breaker 1.8รยขรขโยฌรขโฌล2.5A
$75.00SKU: B-4-2-555Add to Cart -
Siemens 3RV1021-1DA10 Motor Protection Circuit Breaker 2.2รยขรขโยฌรขโฌล3.2A
$70.00SKU: B-4-2-554Add to Cart -
Siemens 3RV1021-1HA10 Motor Protection Circuit Breaker 5.5รยขรขโยฌรขโฌล8A
$95.00SKU: B-4-2-556Add to Cart -
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Siemens 5SY4506-6 MCB 6A 1P+N Type B 230V Miniature Circuit Breaker
$90.00SKU: A-2-1-480Add to Cart -
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Siemens ED63A003 ED6-ETI 3A 3 Poles 600VAC 250VDC Circuit Breaker
$134.99SKU: C-2-11-193Add to Cart -
Siemens HED63B020 I-T-E Sentron Series Circuit Breaker 20A 600VAC 3 Pole
$199.99SKU: C-3-6-165Add to Cart -
Siemens HED63B020 Pole - I-T-E Sentron Series Circuit Breaker 20A 600VAC 3
$200.00SKU: C-2-1-G-1Add to Cart -
Siemens I-T-E 50A 3 Pole 480VAC Sentron Series Circuit Breaker HED43B050
$334.99SKU: D-3-5-237Add to Cart -
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Siemens I-T-E HED63B020 Sentron Series Molded Case Circuit Breaker 3 Pole 20A
$199.99SKU: B-1-2-472Add to Cart -
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Siemens Open 3 Pole FL 25 Res 35 Definite Purpose Contactor 42AF35AF
$274.99SKU: B-2-5-219Add to Cart -
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Siemens QC3005357-7ML1830-1AN Milltronics Process Instruments Eas Aimer II
$234.99SKU: A-3-3-232Add to Cart -
Siemens SENTRON 5SY4506-6 Miniature Circuit Breaker 1P+N 6A Type B 10kA DIN Rail
$75.00SKU: C-3-1-281Add to Cart -
Solium 31126 Electronic CFL Ballast 26/32W 4-Pin Rapid Start Single Lamp 120V
$95.00SKU: D-3-4-117Add to Cart -
Square D 1 Pole 30A Circuit Breaker With Auxiliary Contacts A QO130
$29.99SKU: C-15-D-93Add to Cart -
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Square D 31041-400-A2 30A HU ENCL 3 Pole Lighting Contactor 8903-SMG-2 /A
$44.99SKU: C-4-7-128Add to Cart -
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Square D 8810UCG2V02S 50006-388-01E Combination Controller w/ Circuit Breaker
$5,249.99SKU: B-1-1-43Add to Cart -
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Square D FA26020BC 2-Pole 20A I-Line Molded Case Circuit Breaker 600V
$50.00SKU: C-1-9-59Add to Cart -
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Square D I-Line Circuit Breaker Plug-In-Unit PFA-100GN w/ FAP36100
$679.99SKU: C-3-9-35Add to Cart -
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Square D Schneider Electric Merlin Gerin MG24432 Multi 9 C60 Circuit Breaker
$34.99SKU: B-4-1-107Add to Cart -
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Total Control Products 520-0000-003 REV. C Two-Line Display Module 003 REV. D
$113.00SKU: A-2-2-326Add to Cart -
Und. Lab Inc. DL-21 NI Circuit Breaker 2 Pole Unit STAB-LOK Type NA-NI
$44.99SKU: B-3-6-35Add to Cart -
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Universal Lighting Technologies 120VAC 60Hz Magnetic Ballast 446-L-SLH-TC-P
$44.99SKU: C-4-7-215Add to Cart -
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Venture Lighting V90D2311K 1000W HPS S52 120/208/240/277 CW Ballast
$249.99SKU: C-2-5-3Add to Cart -
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Westinghouse 21-1000-033 Type DS 416 Moving Arcing Contact 682C827G01
$499.99SKU: D-3-1-133Add to Cart -
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Westinghouse 66E6337 AB De-Ion Circuit Breaker 100A AQB101 5925-00-492-7905
$99.99SKU: C-2-1-H-7Add to Cart -
Westinghouse AF-33-600-22278 A1 MILC-8379A 120A AC Circuit Breaker A14B1805C6
$134.99SKU: B-2-1-175Add to Cart -
Westinghouse AQB-A101 AB De-Ion Circuit Breaker 100A 23E-5245 5925-00-492-7905
$299.99SKU: C-2-1-H-6Add to Cart -
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Westinghouse BQC230-240 3040A 4 Pole Circuit Breaker Type BRD HACR Type Cu/Al
$124.99SKU: C-3-3-69Add to Cart -
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Westinghouse EHB2015 Circuit Breaker 15A 2P 480VAC 250VDC 4989D52G18
$25.00SKU: C-2-1-H-3Add to Cart -
Westinghouse Electric Corp 3 Pole 30A 6630C87G11 Circuit Protector HMCP030H1C
$59.99SKU: C-3-11-169Add to Cart -
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